V. Choose the letter A, B, C or D to complete the passage below.

Water pollution happens (21) __________ toxic substances enter water bodies such as lakes, rivers, oceans and so on, getting dissolved in them, lying suspended in the water or depositing on the bed. This degrades the quality of water. Not (22) __________ does this spell disaster for aquatic ecosystems, the pollutants also seep through and reach the groundwater, which might end up in our households as contaminated water we use in our daily activities, including drinking.

Water pollution can be (23) __________ in a number of ways, one of the most polluting being city sewage and industrial waste discharge. Indirect sources (24)__________ water pollution include contaminants that enter the water supply from soils or groundwater systems and from the atmosphere via rain. Soils and groundwater contain (25)__________ residue of human agricultural practices and also improperly disposed of industrial wastes.

Pollutants can be of varying kinds: organic, inorganic, radioactive and so on. In fact, the list of possible water contaminants is just too vast to be listed here.

21. A. what                 B. when                       C. why                        D. while

22. A. both                  B. only                        C. well                         D. either

23. A. cause                B. caused                    C. causing                   D. causes

24. A. of                      B. in                                        C. at                                        D. for

25. A. a                       B. an                            C. the                          D. x

II. Choose the word or phrase that best fits the blank space in the following passage

The water pollution problem Water pollution affects drinking water, rivers, lakes (13)_____ oceans all over the world. In many developing(14)______, it is usually a leading cause of death, by people drinking from (15)_______ water sources.

You can help: -Never throw rubbish away anyhow. Always look (16)_____ the correct waste bin.

-Use water (17)_____. Do not keep the tap running when not in use.

-(18)_______ throw chemical, oil, paint and medicine down the sink.

13. a. and b. but c. or d. however

14. a. country b. countries c.city d. capital

15. a. polluted b. pollutant c. pollution d. pollute

16. a. up b. after c. at d. for

17. a. careful b. wisely c. helpful d. clean

18. a. Do b. Don’t c. Did d. Didn’t

giup mik nha mn 

plasessssssssssssssssssssssss

Part 1 . Choose the letter A, B, C or D to complete the passage below( 1pt)

 Water pollution happens _______ (1) toxic substances enter water bodies such as lakes, rivers, oceans and so on, getting dissolved in them, lying suspended in the water or depositing on the bed. This degrades the quality of water. Not _______ (2) does this spell disaster for aquatic ecosystems, the pollutants also seep through and reach the groundwater, which might end up in our households as contaminated water we use in our daily activities, including drinking.Water pollution can be______ (3) in a number of ways, one of the most polluting being city sewage and industrial waste discharge. Indirect sources ______ (4) water pollution include contaminants that enter the water supply from soils or groundwater systems and from the atmosphere via rain.

1.A. what         B. when        C. why        D. while

2.A.both        B.only         C.well        D.either 

3.A.cause            B.caused         C.cuasing         D.causes

4.A.of             B.in           C.at            D.for 

1.   When thermal pollution happens, the water temperature in streams, rivers, lakes and oceans _______.

A. changes         B. keeps          C. remains            D. stays

2.   If you were the president, what  _____ you do to help the environment?

A. will                B. did              C. would            D. do

3.   I believe that our new manager has the ___­­­­­_ to work well in this business environment.

A. inflexible       B. flexibly       C. flexibility           D. flexible

4.   If we use water _____, more people will have cleaner water.

A. care                B. carefully     C. careless           D. carelessly

5.   English is an ______ language in Singapore.

A. office             B. official        C. officer            D. officially

6.   The acid rain has caused _____ to the trees in this area.

A. carefulness    B. damage       C. attraction           D. difficulty

7.   The train to Ha Noi ______ at 7 a.m tomorrow.

A. leaves            B. leaving        C. to leave           D. left

8.   Environmental pollution has _____ to lots of health problems.

A. caused           B. got              C. made              D. led

9.   The heavy rain has caused ______ in many parts of the country.

A. drought          B. storms         C. forest fire           D. floods

10.     I intended ______ to New York next month.

A. flew               B. to fly           C. fly                  D. flying

11.     All our English teachers are _____ speakers.

A. native             B. original       C. foreign           D. official

12.     Eating too much sugar can ______ to health problems.

A. cause             B. lead             C. make              D. take

13.     I like _____ back my home village on holiday.

A. comes            B. come           C. came              D. coming

14.     If the factory continues dumping poison _______ the lake, all the fish and other aquatic animals will die.

A. into                  B. to               C. about              D. in

15.     The famous Sydney Opera House_______ as an arts center since 1973.

A. serves            B. served         C. have served         D. has served

16.     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

17.     I intended _____ to New York next month.

A. flew               B. to fly           C. fly                     D. flying

18.     The sight of too many advertising billboards, overhead poles and shop signs causes _______ pollution

A. air                 B. light            C. noise                    D. visual   

19.     Loudspeaker _______ in 1924  by C.W. Rice.

A. was invented B. invented      C. has been invented D. is invented

20.     All people who were without homes in the flood were provided with ____ accommodation.

A. short              B. temporary  C. present                D. instant

21.     Several villages around Mount Sinabung were buried in ___ and ____

A. destruction / injury                B. eruption / lava

C. ash / debris                            D. aid / shelter

Complete the sentences about types of pollution
water ; water ; noise ; thermal ; land ; light ; air
1. _______ pollution happens when rivers, lakes and oceans are contaminated with harmful substances.
2._______ pollution makes the quality of the land worse.
3. _______ pollution happens when dust, smoke or gases go into the air and are harmful to humans, animals
and plants.
4. _______ pollution results in stress and hearing loss.
5. _______ pollution causes the death of water animals.
6. _______ pollution happens when your outdoor lights affect the comfort and health your neighbours.
7. _______ pollution changes the temperature of a lake, a river or an ocean.
 

19. ___________ are you going to stay here?            ~ For a week.

         20. ______________happens when water in lakes,rivers and oceans is polluted.

21. John: “How about going to the movies with me on Saturday night?”

 – Ann: “…………..”.

22. Viet Nam is a ……………….. .

23. A bus-stop is a ………….…. .

24. A: “Would you like some bread?”          B:  “………….…. .”.         

      A. No, thanks. I’m full                                   B. Ok. I don’t like rice

      C. All right                                                      D. Yes, I would

25. John: “………………..?”            Mary:  “That’s a great idea.”

      A. Do you like playing sports                         B. Can you buy me some apples                          

      C. Why don’t we go out for dinner                D. May I borrow your pen

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 vào chỗ trống các từ đúng 

water pollution ; rubbish ; deforestation ; soil pollution ; air pollution ; noise pollution ; water level ; reduce ; reuse ; recycle.

1, ........................................... happens when water in the rivers , lakes , seas is dirty.

2, if the earth is warmer , the ....................................... will rise .

3, the things you throw away is called.......................................

4, ............................................ causes hearing and sleeping problem.

5, ............................................ causes floods ang makes animals' home disappear

6, ................................ means using somethings again.

7, you should walk more to ....................................... air pollution .

8, we can ............................................................ paper , glass , plastic bottles ...

9, ........................................ makes plants die and causes lack of food.

10, .................................................. causes breathing problems and makes the earth warmer.

Choose the letter A, B, C or D to complete the passage below

Water pollution happens __________ (1) toxic substances enter water bodies such as lakes, rivers, oceans and so on, getting dissolved in them, lying suspended in the water or depositing on the bed. This degrades the quality of water. Not __________ (2) does this spell disaster for aquatic ecosystems, the pollutants also seep through and reach the groundwater, which might end up in our households as contaminated water we use in our daily activities, including drinking.

Water pollution can be __________ (3) in a number of ways, one of the most polluting being city sewage and industrial waste discharge. Indirect sources __________ (4) water pollution include contaminants that enter the water supply from soils or groundwater systems and from the atmosphere via rain.

Question 1:

A. what

B. when

C. why

D. while