I. Choose A, B, C, D for each gap in the following sentences.
1. Air......................, together with littering, is causing many problems in our cities today.
A. pollute
B. pollution
C. polluting
D. polluted
2. The road in front of my office is always .................... when it rains heavily.
A. to flood
B. flooding
C. flood
D. flooded
3. Singapore is famous for its .................... and green trees.
A. cleanliness
B. cleanly
C. cleaning
D. clean
4. In some English speaking countries, turkey and pudding are ............... food at
Christmas.
A. national
B. historical
C. traditional
D. possible
5. The USA has a population of 304 million, and it’s the third ............. country in the
world.
A. smallest
B. largest
C. narrowest
D. highest
6. The roof of the building .......................... in a storm a few days ago.
A. damaged
B. was damaged
C. has damaged
D. has been damaged
7. A severe tropical ...................... is called a typhoon.
A. drought
B. rain
C. flood
D. storm
8. As soon as the floodwater ...................... down, people ........................ their houses.
A. went - cleaned
B. had gone – cleaned
C. went - had cleaned
D. had gone – had cleaned
9. If I were you, I ..................... do something to prevent him from littering.
A. would
B. did
C. will
D. do
10. Earth .................. by the gravity of the Sun and orbits around it.
A. holds
B. is held
C. is holding
D. held
11. By the time we ........................ to the cinema, the film had started.
A. gets
B. had got
C. has got
D. got
12. When the policeman came there, the robber ..................
A. had left
B. has left
C. left
D. was left
13. All people who were without homes in the flood were provided with ..................
accommodation.
A. short
B. temporary
C. present
D. instant
14. Seven of ten people prefer face-to-face ..................... when having a date.
A. language
B. contact
C. code
D. sign
15. When thermal pollution happens, the water temperature in streams, rivers, lakes
and oceans ........................
A. changes
B. keeps
C. remains
D. stays
16. Australia is home to ..................... animals like kangaroos and koalas.
A. only
B. rare
C. unique
D. precious
17. If you were the president, what ..................... you do to help the environment?
A. will
B. did
C. would
D. do
18. The Maori in New Zealand greet each other by ........................ their noses.
A. touching
B. punching
C. blowing
D. rubbing
19. The village’s drinking water ........................ with poisonous chemicals since the
factory came into operation.
A. contaminates
B. is contaminated
C. has contaminated
D. has been contaminated
20. When the policeman came to the scene, the driver of the car ........................
A. have left
B. had left
C. leaves
D. was left
21. All people who were without homes in the flood were provided with .....................
accommodation.
A. short
B. temporary
C. present
D. instant
22. I believe that our new manager has the ............ to work well in this business
environment.
A. inflexible
B. flexibly
C. flexibility
D. flexible
23. If the factory .................. dumping poison into the lake, all the fish and other aquatic
animals will die.
A. continues
B. continued
C. will continue
D. continue
24. You will recognize Jenny when you see her. She .................... a red hat.
A. wears
B. is wearing
C. will wear
D. will be wearing
25. The farmer rides the buffalo-........................ carts loaded full of rice home.
A. draw
B. drawing
C. drew
D. drawn
26. Little Pascal .................. a mechanical calculator which could do additions or
subtractions very quickly.
A. discovered
B. found
C. found out
D. invented
27. Robots save workers from .................. dangerous tasks.
A. making
B. having
C. performing
D. carrying
28. Many people believe that robots have made workers jobless .................. that is not
necessarily true.
A. but
B. and
C. so
D. or
29. Recent ............... developments have made robots more user-friendly and
intelligent.
A. science
B. scientist
C. scientific
D. scientifically
30. Teenagers spend most of their time playing computer games, ............... they lost
their interests in daily activities.
A. moreover
B. so
C. however
D. as a result
31. Science and technology have .................. the life safe, secure and comfortable.
A. transformed
B. made
C. done
D. changed
32. The teacher .................... me that I had better devote more time to science subjects
such as physics, chemistry, and biology.
A. said
B. talked
C. spoke
D. told
33. Science is used in all corners of the world for the .................... of people.
A. interest
B. need
C. profits
D. benefit
34. If you .................... something, you should patent it as quickly as possible.
A. invented
B. will invent
C. have invented
D. are inventing
35. Sciences and technology have enormous ............................ on economic
development.
A. affects
B. effects
C. affect
D. effect
IV. Rewrite the following sentences so that the second sentence means the same as the
first one.
1. Scientists have invented new devices to help people live a longer life.
New devices ____________________________________________
2. I don’t have enough time , so I can’t go on holiday this summer.
If ____________________________________________
3. The man had a broken leg. He tried to save his wife.
In spite ____________________________________________
4. I can’t tell you because I don’t know the answer.
If ____________________________________________
5. They will do the test well. They will review them all hard.
If ____________________________________________
6. The rescue workers evacuated the villagers in the raged flood to the safe place last
night.
The villagers ____________________________________________
7. The students will provide aids for the homeless people tomorrow.
Aids ____________________________________________
8. The people will protect the environment now. The environment will be nice
If ____________________________________________
9. They don’t have a map, so they get lost
If ____________________________________________
10. The storm destroyed many houses in this village last week.
Many houses ____________________________________________
11. Did they give food to homeless people last year?
Was ____________________________________________
12. Although the weather was bad, the football match was not canceled.
Despite ____________________________________________
13. The people will protect the environment now. The environment will be nicer
If ____________________________________________
14. They don’t have a map, so they get lost.
If ____________________________________________
15. The storm destroyed many houses in this village last week.
Many houses ____________________________________________
16. Many rivers and lakes are poisoned. Factories produce waste and pour it into rivers
and
lakes. (because)
____________________________________________
17. Plastic bags are a major source of waste. We should not throw plastic bags
everywhere. (so)
____________________________________________
18. We won’t hold the festival. It costs too much money. (if)
____________________________________________
19. The tortoise was running. The hare was sleeping. (while)
____________________________________________
20. The girl worked hard. Her stepmother wasn’t happy. (although)
____________________________________________
