Light pollution make us unable to see the stars in the sky.
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1. ___________________ habitats have been destroyed in recent years. (nature)
2. A number of cleaning products contain ____________ chemicals. (harm)
3. Water samples collected at these villages were seriously ___________ with bacteria. (contaminate)
4. People believe that the _____________ water has brought cancer to the local residents.
5. Light pollution make us __________ to see the stars in the sky. (able)
6. Noise is considered as ____________ pollution. (environment)
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1. ___________________ habitats have been destroyed in recent years. (nature)
2. A number of cleaning products contain ____________ chemicals. (harm)
3. Water samples collected at these villages were seriously ___________ with bacteria. (contaminate)
4. People believe that the _____________ water has brought cancer to the local residents.
5. Light pollution make us __________ to see the stars in the sky. (able)
6. Noise is considered as ____________ pollution. (environment)
30.When (visual/ thermal/ light/ radioactive) pollution happens, the water temperature in streams, rivers or oceans changes. 31.We can’t see stars at night (because of/ because/ since/ due) the light pollution.
32. If you (was / were/ are/ could be) in my position, you would understand me.
33. If the water temperature (increase/ increases/ is increased/ increased), some aquatic creatures will be unable to reproduce. 34. Because the water is polluted, (aquatic/ electric/ chemical/ fresh) plants...
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30.When (visual/ thermal/ light/ radioactive) pollution happens, the water temperature in streams, rivers or oceans changes. 31.We can’t see stars at night (because of/ because/ since/ due) the light pollution.
32. If you (was / were/ are/ could be) in my position, you would understand me.
33. If the water temperature (increase/ increases/ is increased/ increased), some aquatic creatures will be unable to reproduce. 34. Because the water is polluted, (aquatic/ electric/ chemical/ fresh) plants may also die
35. (Noise/ Headache/ Earplug/ Symptom) is any sound that is loud and constant
36. Do you know what (polluted/ pollute/ pollution/ pollutant) cause air pollution
37. (Poison/ Poisonous/ Poisoning/ Poisoned) chemical waste is dumped into the river by many factories
38. The (dead/ die/ death/ died) fish are floating in the water.
39. We plant trees, (due to/ because/ because of/ so) we can have fresh air
40. When the loudness of sounds is more than (20 dBs/ 30dBs/ 50 dBs/ 70dBs), noise pollution happens
41. Too much carbon dioxide (CO2) in the atmosphere (causes/ lead/ result/ make) to global warming
42. Waste from households will gradually (contamination/contaminate/contaminant/ contaminated) the lake.
43.When (visual/ thermal/ light/ radioactive) pollution happens, the water temperature in streams, rivers or oceans changes. 44. Many seabirds were (die/ death/ dead/ died) because of the oil spill
. 45. (Aquatic/ Electric/ Chemical/ Fresh) plants may also die because of the polluted water
46. If we (polluted/ pollute/ pollution/ pollutant) the air, more people will have breathing problems
47. If you can experience noise pollution for a long time, you can have headache, high blood pressure and (hearing loss/ contaminant/cough/ radiation)
Điền từ vào ô trống
Manned space-craft travel at speeds of almost five miles a second. But space-craft are slow.....with the fastest traveler in the .....universe-light. Scientists calculate that light travels 186000 miles a second!
Swift ......it is, light takes time to cross interstellar space. Light from Sirius, a neighboring star, travels for nine years to......us.
Because of the time lights takes to travel the........of space, it is possible to see an event long........is has happened....
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Điền từ vào ô trống
Manned space-craft travel at speeds of almost five miles a second. But space-craft are slow.....with the fastest traveler in the .....universe-light. Scientists calculate that light travels 186000 miles a second!
Swift ......it is, light takes time to cross interstellar space. Light from Sirius, a neighboring star, travels for nine years to......us.
Because of the time lights takes to travel the........of space, it is possible to "see" an event long........is has happened. In AD 1054, Chinese astronauts recorded the...... of an object that .... up the night sky. They were seeing an exploding star. Yet scientists today calculate that the stars ........ more than four thousand years ago. ......... the Chinese observers, we too may "see" happening vast distances away and long before our own time.
1,the best way tosee how many stars we can all see in..........sky is to count them2,the boy denied..........the neighbors window3,the students left the room after they.....their exam4,she always .....that he is just a silly old man5,dont blame him.What.....if you were him?6,it is always....to learn from other peoples experience7,i thought the figures were accurate;........,i have now discovered some errors8, i cant go to your party ........im going away at the time9,i wish that i........work to...
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1,the best way tosee how many stars we can all see in..........sky is to count them
2,the boy denied..........the neighbors window
3,the students left the room after they.....their exam
4,she always .....that he is just a silly old man
5,dont blame him.What.....if you were him?
6,it is always....to learn from other people's experience
7,i thought the figures were accurate;........,i have now discovered some errors
8, i cant go to your party ........i'm going away at the time
9,i wish that i........work today so that i could play with my friends
10,by the time i come back home,i hope all housework..........
Hoàn thành câu với từ cho sẵn1.today/have/we/It/is/living/conditions/to/value/the neccessary/improved
2.sky train/would/traffic/the/problems/city/in/the/She/was/solve/certain/system
3.is/We/sure/and/more/that/pollution/all/getting/more/are serious
4.have/to/heard/sorry/about/were/the/then/We/back/living/poor/conditions
5.forever/hearts/I/am/sounds/clanging/that/the/convinced/our/will/in/stay/Ha Noi/in/trams/of/the
Dịch đoạn văn
Every day on radio, on TV, and in the newspapers, we hear, see, or read about many problems in the world, for example, pollution problems. Air pollution is the first kind. It mostly comes from fumes released from motorbikes, cars, airplanes, trains, and poisonous gases emitted from factories. Also, waste is dumped anywhere, even in the city where many people are living. The second pollution problem is sea pollution. Many people earn their living from fishing in the sea, and...
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Dịch đoạn văn
Every day on radio, on TV, and in the newspapers, we hear, see, or read about many problems in the world, for example, pollution problems. Air pollution is the first kind. It mostly comes from fumes released from motorbikes, cars, airplanes, trains, and poisonous gases emitted from factories. Also, waste is dumped anywhere, even in the city where many people are living. The second pollution problem is sea pollution. Many people earn their living from fishing in the sea, and the fish they catch feed many people. But the sea has become so polluted from oil spills and factory wastes that the fish are dying. This pollution is not only killing the fish, but also affecting those people who eat fish. Seldom do you find a place nowadays that is not polluted. This problem is growing more difficult every day. We must find a good solution that makes the world a better place to live
Sua loi sai:
1. These (televisions) are quite (popularity) in Europe, (but) (those) are not
2. (Despite of) the (rainy) day, they (went) to the (beach)
3. Big (cities) are the main (source) (of) noise (pollution)
4. (If) we (go on) (littering), our environment will become (serious) polluted
5. Water pollution occurs (mostly) (when) people (overload) the water environment (by) wastes
6. Pollution (make) streams, lakes and coastal waters (unpleasant) to look (at), to smel and to swim (n)
7....
Đọc tiếp
Sua loi sai:
1. These (televisions) are quite (popularity) in Europe, (but) (those) are not
2. (Despite of) the (rainy) day, they (went) to the (beach)
3. Big (cities) are the main (source) (of) noise (pollution)
4. (If) we (go on) (littering), our environment will become (serious) polluted
5. Water pollution occurs (mostly) (when) people (overload) the water environment (by) wastes
6. Pollution (make) streams, lakes and coastal waters (unpleasant) to look (at), to smel and to swim (n)
7. He (asked) his wife (cook) the duck and (served) the visitor a (fine) dinner
Choose the correct answer to complete the passage:
Everyday on radio, on TV, and in the newspaper, we hear, see or read about many problems in the world, for example, pollution problems.
Air pollution is the first kind. It mostly comes from fumes released from motorbikes, cars, airplanes, trains and poisonous gases emitted from factories. Also, waste is dumped anywhere, even in the city where many people are living. The second pollution problem is sea pollution. Many people earn thei...
Đọc tiếp
Choose the correct answer to complete the passage:
Everyday on radio, on TV, and in the newspaper, we hear, see or read about many problems in the world, for example, pollution problems.
Air pollution is the first kind. It mostly comes from fumes released from motorbikes, cars, airplanes, trains and poisonous gases emitted from factories. Also, waste is dumped anywhere, even in the city where many people are living. The second pollution problem is sea pollution. Many people earn their living from fishing in the sea, and the fish they catch feed many people. But the sea has become so polluted from oil spills and factory wastes that the fish are dying. This is not only killing the fish, but is also affecting those people who eat fish.
Seldom do you find a place nowadays that is not polluted. This problem is growing more difficult every day. We must find a good solution that makes the world a better place to live.
1. We hear, see and read about problems in the world _________
A. once a week
B. every day
C. every week
D. every year
2. What causes the air pollution?
A. fumes from vehicles.
B. poisonous gases from factories.
C. waste from everywhere
D. All are correct
25. The sea has become polluted because of _________
A. oil spills
B. factories wastes
C. smoke from factories
D. A and B are correct
26. In order to make the world a better place to live, we _________
A. should not prevent pollution
B. must find a good solution.
C. should kill the fish.
D. None is correct.
I. Choose the correct answer: (cont’)
110. If the sky is clear, you can see the stars … … night. (at, in, on, when)
111. The first man walked on the moon … … July 1969. (in, at, on, no preposition)
113. In Britain people send each other cards … … Christmas. (in, on, at, till)
114. If she has too much to do, she must ask someone … … her. (to help, help, helping, helps)
115. Tom asked her where she … … (was going, goes, will go, are going)
Đọc tiếp
I. Choose the correct answer: (cont’)
110. If the sky is clear, you can see the stars … … night. (at, in, on, when)
111. The first man walked on the moon … … July 1969. (in, at, on, no preposition)
113. In Britain people send each other cards … … Christmas. (in, on, at, till)
114. If she has too much to do, she must ask someone … … her. (to help, help, helping, helps)
115. Tom asked her where she … … (was going, goes, will go, are going)