School: THCS-THPT DONG DU Date: 15/03/2025

Class: 9A5,9A7 Period: 17-21/03/2025

MID TERM TEST

I. OBJECTIVES
By the end of the lesson, Ss will be able to
1.1. Language knowledge and skills
- review the target language and language skills in unit 7,8,9
Grammar: Relative clauses, reported speech
Vocabulary: Words of the topic “tourism” “world englishes”
- practice test-taking skills.
1.2. Competences
- improve speaking, listening, reading and writing skills.
- improve the use of English.
1.3. Attributes
- have a good attitude toward learning English
- become more diligent.
- reread the previous lesson and be well-prepared for the second mid-term examination.
Code 1
A. LANGUAGE FOCUS
I. Choose the best answer. (A, B, C or D). (2.5 points)
1. Choose the word that has underlined part pronounced differently from the others.
A. make B. space C. game D. tablet
2. Choose the word whose main stress is placed differently from the others.
A. safely B. rescue C. appear D. planet
3. My tablet has a great ___________. It's good for watching movies and playing games.
A. screen B. inch C. gigabyte D. weight
4. These new tablets usually have long ___________ life.
A. images B. battery C. chip D. model
5. Have you ever seen a ___________ saucer?
A. flying B. sighting C. space D. UFO
6. The ___________ in Sa Pa can drop below 0 °C in winter.
A. view B. oxygen C. gravity D. temperature
7. Choose the word that is CLOSEST in meaning to the underlined part.
The children was terrified of the dark and refused to sleep without a nightlight.
A. surprised B. frightened C. delighted D. amazed
8. Choose the word that is CLOSEST in meaning to the underlined part.
The UFO stayed in the sky for about thirty seconds, and then it went away.
A. appeared B. disappeared C. flew D. traveled

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9. In geography classes, the students learned how to ___________ by using a map and compass.
A. complete B. navigate C. lift D. charge
10. Last year, I had a chance to practice with the firefighters ___________ people in case of
emergency at school.
A. holding B. recognizing C. taking D. rescuing
11. Both Mars and Venus don’t have enough ___________ for people to live on.
A. space B. oxygen C. temperature D. room
12. Astronauts float around in space because there is no _________ in space.
A. gravity B. trace C. galaxy D. accommodation
13. The ___________ of a strange object in a supermarket in US going viral on Tiktok worried
the whole world.
A. appear B. appearance C. disappear D. appeared
14. Our planet, Earth, is becoming more and more _________.
A. crowd B. crowding C. crowded D. crowdie
15. Nam and Phong are chatting about Phong’s new phone.
Nam: “How much do you pay for your new phone?”
Phong: “____________”
A. 2GB B. $1.500 C. 16.5 inches D. 2 hours
16. Mai and Nam are taking about a strange experience.
Mai: “Last night, I saw a UFO hovering above my back garden?”
Nam: “___________”
A. That’s a good idea. B. Not at all.
C. Absolutely right! D. You’re joking!
17. Find the mistake
“What do you go to school every day?” – “By school bus”.
A. What B. do C. every D. by
18. What sentence is correct?
A. Our school trip to Thành Đồng Mushroom farm was exciting than we expected.
B. Our school trip to Thành Đồng Mushroom farm was excitinger than we expected.
C. Our school trip to Thành Đồng Mushroom farm was more exciting than we expected.
D. Our school trip to Thành Đồng Mushroom farm was most exciting than we expected.
19. I think we __________ to find a new home in the next 50 years.
A. need B. to need C. will need D. needing
20. Minh ___________ to school yesterday because he was sick.
A. goes B. went C. wasn’t going D. didn’t go
B. READING COMPREHENSION:
I. Choose the suitable word A, B, C or D to fill in each gap. (1. 25 points)
MOBILE PHONES

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When Scotsman Alexander Graham Bell (21) ____ the telephone in 1876, it was a revolution in
communication. For the first time, people could talk (22) ____ each other over great distances
almost as clearly as if they were in the same room. Nowadays, though, we increasingly use Bell’s
(23) ____ for taking photographs, (24) ____ the Internet or watching video clips rather than
talking. Over the last two decades a new (25) _____ of spoken communication has emerged: the
mobile phone.
21. A. will invent B. invent C. invented D. was inventing
22. A. to B. by C. on D. for
23. A. inventing B. invent C. inventor D. invention
24. A. accessing B. contacting C. entering D. searching
25. A. aids B. means C. tools D. ways
II. Read the passage and choose the best answer. (1.25 points)
Mercury is the smallest planet in our solar system. It's just a little bigger than Earth's moon. It is
the closest planet to the sun, but it's actually not the hottest. Venus is hotter. Along with Venus,
Earth, and Mars, Mercury is one of the rocky planets. It has a solid surface that is covered with
craters. It has a thin atmosphere, and it doesn't have any moons. Mercury likes to keep things
simple.
This small planet spins around slowly compared to Earth, so one day lasts a long time.
Mercury takes 59 Earth days to make one full rotation. A year on Mercury goes by fast. Because
it's the closest planet to the sun, it doesn't take very long to go all the way around. It completes
one revolution around the sun in just 88 Earth days. If you lived on Mercury, you'd have a
birthday every three month!
A day on Mercury is not like a day here on Earth. For us, the sun rises and sets each and
every day. Because Mercury has a slow spin and short year, it takes a long time for the sun to rise
and set there. Mercury only has one sunrise every 180 Earth days! Isn't that weird?
(Source: https://spaceplace.nasa.gov)
26. According to the passage, Mercury is ___________.
A. the smallest planet B. the hottest planet
C. the biggest planet D. the farthest planet
27. The word "It" in line 4 refers to ___________.
A. Earth B. Mars C. Venus D. Mercury
28. Why does a year in Mercury go by fast?
A. Because it spins around slowly.
B. Because it has a thin atmosphere.
C. Because it's the closest planet to the sun.
D. Because it takes a long time for the sun to rise.
29. The word “spins” in line 6 is closest in meaning with ___________.
A. comes B. provides C. needs D. moves
30. Which of the following statements is NOT TRUE according to the passage?
A. Mercury doesn't have any moons.
B. The sun rises and sets each and every day in Mercury.
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 C. A day on Mercury is not like a day on Earth.
D. Mercury completes one revolution around the sun in just 88 Earth days.
C. Writing (2.5 points)
I. Give the correct form of words. (0.6 point)
31. In the future, technology (continue) ___________________ to advance rapidly.
32. Last night, Jim (describe) ___________ aliens and UFOs as harmless visitors in his books.
33. My sister speaks English ___________________ than her classmates. (fluently)
34. The children (play) _______________ in the playground when it suddenly began to rain.
II. Do as directed in each sentence. (1.5 point)
35. / will/ fun./ be/ on Mars/ Life/ (Rearrange the words to make a sentence)
→ ___________________________________________________________________
36. The battery of this laptop lasts for 24 hours. (Make a question with the underlined part)
→_______________________________________________________________
37. The new computer system works faster than the old one. (Rewrite the sentence using
“Comparative adverb”)
→ The old computer system ___________________________________________________
38. The boys saw a strange object in the sky. They were playing football on the field.
(Combine two sentences using “WHILE”)
→ ___________________________________________________________________
39. Last month / Lisa / do / the laundry / when / she / see / a huge object / above/ house. (rewrite
the sentence using given words and phrases)
→_________________________________________________________________________

IV. Write a narrative passage (about 60-80 words) about an unforgettable experience (trải
nghiệm đáng nhớ) that you had (0.4 point)
- Who were in the story
- What you did/ saw/ heard
- How you felt

Code 2
A. LANGUAGE FOCUS
I. Choose the best answer. (A, B, C or D). (2.5 points)
1. Choose the word that has underlined part pronounced differently from the others.
A. space B. battery C. make D. safe
2. Choose the word whose main stress is placed differently from the others.

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 A. tiny B. careful C. storage D. agree
3. My phone doesn’t have enough ___________ space for all my photos and videos.
A. inch B. storage C. screen D. speaker
4. Portal tablets usually have long ___________life. It lasts for 3 days.
A. battery B. screen C. feature D. chip
5. The space ___________ is the place where astronauts work and live.
A. station B. planet C. sighting D. disk-shaped
6. There are so many planets in _________ and we just know some of them.
A. star B. home C. sky D. space
7. Choose the word that is CLOSEST in meaning to the underlined part.
People will take advantage of robots to do household chores.
A. benefit B. harm C. advance D. drawback
8. Choose the word that is CLOSEST in meaning to the underlined part.
The coronavirus is a kind of virus which is so small that you can’t see it.
A. huge B. tiny C. great D. crowded
9. The firefighters rushed to the scene to ___________the trapped boy from the burning building.
A. rescue B. complete C. lift D. drive
10. The ____________ of the box was about 20 kg, which was too heavy for me to lift by myself.
A. feature B. temperature C. height D. weight
11. . Modern smartphones produce good quality photos because they have better ___________.
A. gygabites B. speakers C. tablets D. cameras
12. Inside a spacecraft in orbit round the Earth, a (n) ___________could float weightless, hardly
in contact with the floor.
A. explorer B. scentist C. astronaut D. alien
13. 25 percent of the world’s ___________consumes 80 percent of the planet’s resources.
A. populate B. population C. populated D. populating
14. When I was a kid, I often felt ___________ of the thunderstorm outside the window.
A. terrify B. terrifying C. terrified D. terrific
15. Lan and Hoa are in their class.
Lan: “May I borrow your ruler?”
Hoa: “Certainly. ___________.”
A. Here you are B. I don’t care
C. Not at all D. No problem
16. Student: “Our science project attracted the attention of many students at school.”
Teacher: “___________”
A. That’s fantastic. B. Are you telling the truth?
C. That’s weird. D. Don’t be shocked.
17. Find the mistake
“How many does your new phone cost?” – “It’s $100.”
A. cost B. does C. How many D. It’s
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18. What sentence is correct?
A. Hoa speaks English fluentlier than anyone else in her class.
B. Hoa speaks English the most fluently than anyone else in her class.
C. Hoa speaks English more fluently than anyone else in her class.
D. Hoa speaks English fluently than anyone else in her class.
19. Do you think there ___________ houses and buildings in other planets in the future?
A. are B. is C. will be D. were
20. My sister ___________ volleyball last week because her leg was injured.
A. didn’t play B. was playing C. played D. plays
B. READING COMPREHENSION:
I. Choose the suitable word A, B, C or D to fill in each gap. (1.25 points)
Yesterday, a(n) (21) _______ came to my school to talk about his life in space. His
name is John, and he just returned from a space station. I was excited to meet him
because I always dreamed of being an astronaut. John told us how life was in
the space station. Astronauts couldn’t (22) _______ the same way as on Earth. They had
to sleep in small sleeping bags and tie them to the wall. Because there was no (23)
_______, their muscles and bones got weak. They often (24) ______two hours a day
exercising using special equipment. Astronauts could also entertain themselves.
John said they could read books, listen to music and talk with family and
friends from the space station. They could enjoy taking photos of the stars. After
listening to him, I think life in space is challenging but also very (25) ________.
21. A. farmer B. astronaut C. artist D. clerk
22. A. live B. lives C. living D. to live
23. A. food B. rocket C. weight D. gravity
24. A. spent B. gave C. took D. brought
25. A. interest B. interested C. interesting D. interestingness
II. Read the passage and choose the best answer. (1.25 points)
Livestreaming is the act of broadcasting live video of an event over the Internet.
Livestreaming has become a useful tool in the coronavirus outbreak. It has been widely used in
business, education and now has also influenced the way weddings are held. Among hundreds
of guests who are invited, there can be those who are living so far away or having health issues
that make them unable to travel. There can also be those who feel not comfortable about social
gatherings, especially during the COVID-19 pandemic. Thanks to livestreaming, guests who
cannot make it to the ceremony because of those various circumstances can still be part of the
wedding without risking their health. However, the bride and the groom will have to consider
which professional service to use to livestream their weddings. With advanced technology,

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 those professionals can make sure the recording is clear and guests can access it from any
platform, from desktops to mobile phones.
26. What is livestreaming?
A. Recording a video and posting it online later.
B. Watching a video on a streaming platform.
C. Broadcasting live video of an event over the Internet.
D. Creating a fanpage on a social platform.
27. Why is livestreaming useful for weddings during the pandemic?
A. It allows guests to attend without traveling.
B. It provides a clear recording of the ceremony.
C. It helps the bride and groom save money
D. It makes the guests feel comfortable.
28. What do the bride and groom have to consider when livestreaming their weddings?
A. food B. guests C. clothes D. professional services
29. The word “it” in line 2 refers to ___________.
A. outbreak B. livestreaming C. tool D. Internet
30. What is the main idea of the passage?
A. Livestreaming weddings during coronavirus outbreak.
B. The usefulness of livestreaming at weddings
C. The reasons for not coming to party.
D. The bride and groom with livestreaming experiences.
C. Writing (2.5 points)
I. Give the correct form of words. (0.6 point)
31. I hope that in the future, we (be) ____________ able to ride in flying saucers.
32. The North Star (appear) ___________________ in the sky last night as expected.
33. My class captain speaks ___________________ than the rest of the students in the class.
(loudly)
34. He (fish) ___________________ in the lake when he saw a strange object in the sky.
II. Do as directed in each sentence. (1.5 point)
35. /will be / home. / Venus / a / good/ (Rearrange the words to make a sentence)
→_________________________________________________________________________
36. Her smartphone has three cameras. (Make a question with the underlined part)
→_________________________________________________________________________
37. Ziggy completes the rescue task more slowly than Stumpy. (Rewrite the sentence using
“Comparative adverb”)
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→ Stumpy _________________________________________________________________
38. Nam was walking home last weekend. He saw something in the sky.
(Combine two sentences using “WHILE”)
→_________________________________________________________________________
39. Yesterday / Alex / study / in the library / when / he / see / a tall man / green skin and blue hair.
(Make a complete sentence, using the given words and phrases)
→ ________________________________________________________________________
IV. Write a narrative passage (about 60-80 words) about an unforgettable experience (trải
nghiệm đáng nhớ) that you had (0.4 point)
- Who were in the story
- What you did/ saw/ heard
- How you felt

TEST CORRECTION

ĐÁP ÁN ĐỀ THI GIỮA KỲ 2 – ANH 9

CODE 1:
1=> 20: 0.125 points/sentence
1 2 3 4 5 6 7 8 9 10
D C A B A D B B B D
11 12 13 14 15 16 17 18 19 20
B A B C B D A C C D

21=> 30: 0.25 points/sentence

21 22 23 24 25 26 27 28 29 30
C A D D B A D C D B

31=> 34: 0.15 points/sentence

31. will continue
32. described
33. more fluently
34. were playing

35=> 39: 0.3 points/sentence

35. Life on Mars will be fun.
36. How long does the battery of this laptop last?
37. The old computer system works more slowly than the new one/ computer system
38. The boys saw a strange object in the sky while they were playing football on the field.
39. Last month, Lisa was doing the laundry when she saw a huge object above her/ the house.
Writing : 0.4 points
Task Achievement: 0.1p (correct form of narrative passage)
Coherence and Cohesion: 0.1p (logic arrangement, linking words)
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Lexical Resource: 0.1p (use words learnt and extra vocabulary about the topic)
Grammatical Range and Accuracy: 0.1p (correct tense/ form)

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CODE 2:
1=> 20: 0.125 points/sentence
1 2 3 4 5 6 7 8 9 10
B D B A A D A B A D
11 12 13 14 15 16 17 18 19 20
D C B C A A C C C A

21=> 30: 0.25 points/sentence

21 22 23 24 25 26 27 28 29 30
B A D A C C A D B A

31=> 34: 0.15 points/sentence

31. will be
32. appeared
33. more loudly
34. were fishing

35=> 39: 0.3 points/sentence

35. Venus will be a good home.
36. How many cameras does her smartphone have?
37. Stumpy completes the rescue task faster/ more quickly than Ziggy.
38. While Nam was walking home last weekend, he saw something in the sky.
39. Yesterday, Alex was studying in the library when he saw a tall man with green skin and blue
hair.
Writing : 0.4 points
Task Achievement: 0.1p (correct form of narrative passage)
Coherence and Cohesion: 0.1p (logic arrangement, linking words)
Lexical Resource: 0.1p (use words learnt and extra vocabulary about the topic)
Grammatical Range and Accuracy: 0.1p (correct tense/ form)

EXERCISE – REVIEW
Subject: English; Class: 9a5,9a7
Numbers of period:

I. OBJECTIVES
1. Knowledge: Consolidate knowledge in unit 6,7,8
a. Vocabulary: related to topic Teens
b. Grammar: relative clauses
2. Abilities:
- Raise motivations and interests in learning English as a foreign language
- Develop communicative and team-working skills through learning activities
- Illustrate problem-solving and critical-thinking skills through learning activities
3. Qualities:
- Establish responsive and independent characteristics to be a long-life learner
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 - Become friendly with people surrounding
II. TEACHING AIDS
1. Materials: Workbooks, lesson plan
2. Equipment: Laptop, TV
III. PROCEDURE
1-2. WARM-UP AND CONSOLIDATION
a) Objective: Students consolidate what they have learnt by answering some
questions.
b) Content: Students use their knowledge which they have learnt, read textbooks,
work individually and in group to complete the requirement.
c) Products: Students apply knowledge to answer the questions
d) Implementation organization:
Teacher’s activities Students’ activities
Ask some questions about unit …. Answer the questions.
- List vocabulary related to topic
Science and Technology
- Give form of grammar points in unit
7.

3. PRACTICE
a) Objective: Students apply knowledge to do assigned tasks
b) Content: Students do exercises
c) Products: Students apply knowledge to assigned tasks
d) Implementation organization:
Teacher’s activities Students’ activities
Ask sts to do some exercises in Workbook. Do individually or in pair
TEST FOR UNIT 5
I/ PRONUNCIATION I/ PRONUNCIATION
A. Choose the word whose underlined part A. 1.A 2.B
differs from the other three in B. 3.C 4.A
pronunciation in each of the following
questions.
1. A. pollution B. transport
C. waste D. plastic
2. A. child B. machine
C. chocolate D. chair
B. Choose the word whose primary stress is
placed on the second syllable.
3. A. carefully B. happily
C. intelligently D. normally
4. A. directly B. usually
C. happily D. finally

II/ VOCABULARY AND GRAMMAR

II/ VOCABULARY AND
Choose the best option (A, B, C or D) to
GRAMMAR
complete each of the following questions.
5.C 6.A 7.C 8.A 9.B 10.B
5. The firemen arrived just in time to
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______________ the child stuck in the fire. 11.D 12.B
A. assist B. help
C. rescue D. provide
6. Robots can search for people after
earthquakes ______________ than humans
can.
A. faster B. slowly
C. slower D. quickly
7. Without modern science and
______________, humans cannot travel to the
moon.
A. technological B. technician
C. technology D. technologically
8. Jane’s mom: Robots can recognize people’s
voices and do what they say.
Jane: ______________
A. How amazing! C. I know.
It’s a new one.
B. What a great robot! D. Don’t
worry! It’s easy!
9. If we check our tests ______________
carefully, we can get higher scores.
A. much B. more
C. a lot D. well
10. My mom cleans the floor
______________ than a vacuum cleaner.
A. more fastly B. more slowly
C. slowlier D. more faster
11. Cleaning is a simple job, and robots don’t
get ______________.
A. crazy B. mad
C. bad D. tired
12. My father prefers this robot because its
battery can ______________.
A. run fast B. last longer
C. move slowly D. keep it hotter

III/ ERROR CORRECTION

Find the underlined part that needs
correction in each of the following III/ ERROR CORRECTION
questions.
13.C 14.C 15.B 16.D
13. These robots can still function normal in
extreme weather.

A. These B. function
C. normal D. extreme

14. The new tablet is modern, and the screen

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is a little too small.

A. new B. is
C. and D. a little too

15. The robot Eve is moderner than Wall-E in

the movie "Wall-E".

A. is B. moderner
C. in D. movie

16. If you want a device for playing games, I

think you should buy a computer instead for a
smartphone.

A. playing B. buy
C. computer D. for

IV/ WORD FORM

Write the correct form of the given words. IV/ WORD FORM
17. In the future, people can use smartphones
as helpful devices to ______________. 17. navigate 18. scientists

(NAVIGATION) 19. carefully 20. Quietly

18. Newton is considered one of the greatest

______________ in the world. (SCIENCE)

19. Henry got a higher score for his literature

test last week because he did it more
______________ than the other students.
(CARE)

20. We couldn’t even recognize that robot was

working because it was moving very
______________. (QUIET)

4. APPLICATION
a) Objective: Students apply knowledge to do specific tasks
b) Content: Students do exercises
c) Products: Students apply knowledge to specific tasks
d) Implementation organization:
Teacher’s activities Students’ activities
Ask sts to do some exercises in Workbook. Do individually or in pair
V/ READING V/ READING
Read part of a website article about computer
technology. Write ONE suitable word in each 21. to 22. is 23. which/
space. that 24. was 25. faster/quicker

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In 1965, a computer engineer called Gordon
Moore said, ‘The number of items in a computer
chip will double every year.’ In other words,
chips will become more and more powerful
while, at the same time, becoming smaller and
smaller. Ten years later, he changed the doubling
time (21)___________ every four years. For the
next 45 years, his idea proved to be correct, so
people now call it Moore’s Law. Although some
people say the speed of change (22)___________
lower now, as a result of Moore’s Law, the
power of modern computers is unbelievable. One
example will show this.

Apollo 11 was the American spacecraft

(23)___________ took astronauts to the Moon
and back in 1969. It is clear that the computer on
this spacecraft (24)___________ able to do a lot
of very difficult things. However, it had a lot less
power than your present smartphone! Your
phone has at least one million times more RAM
than the spacecraft had. It also works at a speed
which is 100,000 times (25)___________ than
Apollo 11’s computer.

So if you can find someone to program your

phone for a trip to the Moon and back, all you
will need to make the trip then is a spacecraft!

Read Kathy’s email to her pen pal. Answer

each question with NO MORE THAN
THREE WORDS.
To: sophie2210@abcmail.com
Subject: New laptop!

Hi Sophie,
How are you doing? I'm writing to ask for your 26. broken
advice on laptops.
I need a new laptop because my current one was 27. Zebook
broken the other day. I’m quite keen on Zebook
and MacPlus, but I don’t really know which one 28. Zebook
to choose for my school projects. I like to have a 29. $1,200
lightweight computer with a big screen. The
Zebook has a large screen, but it is quite heavy. 30. 24 hours
MacPlus is much lighter than the Zebook, but I
don't like the screen of MacPlus. It's rather small.
Besides, I can only afford a laptop for $1,200.
Unfortunately, both are expensive. What
impresses me is their performance. They both
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have extended battery life and can last for 24
hours. Which one will be suitable for me?

Please write back soon,

Love,
Kathy

-> What happened to Kathy’s old laptop?

(26) _________________________

-> Which laptop is heavier than the other?

(27) _________________________

-> Which laptop has a big screen?

(28)_________________________

-> How much can she afford for a laptop?

(29)_________________________

-> How long is the battery life of MacPlus?

(30) _________________________

VI/ WRITING VI/ WRITING

A. Use the given words or phrases to make a A.
complete sentence.
31. We / can use / robots / instead / people / serve 31. We can use robots instead of
/ restaurants / save time. people to serve in restaurants to save
=>_____________________________________ time.
32. My laptop / not / good for / play games / so / 32. My laptop is not good for playing
I / want / change it. games, so I want to change it.
=>_____________________________________ 33. We don’t think robots can do any
33. We / not think / robots / can do / any / the of the jobs better than human.
jobs / good / than humans /.
=>_____________________________________ B.
34. A robot cleaned the floor more
B. Rewrite the following sentence without quickly than all the students in my
changing its meaning. Use the given class.
word(s) if any. 35. My phone has 5 cameras, so it can
34. All the students in my class cleaned the floor capture high-quality photos.
more slowly than a robot. (QUICKLY)
=>_____________________________________
35. My phone can capture high-quality photos
because it has 5 cameras. (SO) C.
=>_____________________________________ 36. The camera of the new
C. Rearrange the given words to make smartphone doesn’t work well.
meaningful sentences. 37. Their new robot can explore
places where human can hardly live.
36. camera/doesn’t/work well./new 38. I prefer this tablet because it is
smartphone/of the/The easy to use and it has a great camera.
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=>_____________________________________ 39. People cannot live comfortably
37. where/Their/hardly live./new robots/can without modern science and
explore/places/humans can technology.
=>_____________________________________ 40. UC Santa Barbara has developed
38. it has/this tablet/I prefer/it is/a great a robot which can jump higher than
camera./because/and/easy to use 30 meters.
=>_____________________________________
39. live comfortably/People/without/and
technology./modern science/cannot
=>_____________________________________
40. which/UC Santa Barbara/higher than/a
robot/30 meters./has developed/can jump
=>____________________________________

Consolidation: summarize the lesson content

Guides for homework:
- Study vocabulary, practice exercises again at home.
- Prepare the next lesson.

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