Luyện tập Tiếng Anh Lớp 6 Global Success - Unit 11

 13. What will you do if ___________ someone throwing trash on the street?
A. you can see B. you will see C.you see D.you saw
14. If we _________ more plants, we __________soil pollution.
A. will grow/ reduce B. grew/ will reduce
C. grow/ will reduce D. are growing/ will reduce
15. If you bring water bottles to a picnic, what __________ type of bottles ?
A. do you bring B. should you bring C. are you bringing D. you will bring
16. _________ your food in a reusable box if you bring it to school?
A. Will you not put B. You won't put C.You will put D.Will you put
17. We should put more garbage bins in the building to ___________people from 
littering. 
 A. give up B. save C. prevent D. avoid 
18. We are very tired with the ___________pollution from the factories in this area.
 A. noisy B. noises C. noise D. noiseful 
19. Global warming refers to an average increase in the Earth’s ___________
 A. heat B. energy C. atmosphere D. temperature 
20. Water pollution occurs when pollutants are ___________directly or indirectly into 
water bodies. 
 A. spilled B. run C. discharged D. discharge
21. The river has been ___________with toxic waste from local factories. 
 A. polluting B. polluted C. pollute D. pollution 
22. The garbage man will take the bags to the garbage ___________
 A. yard B. area C. place D. dump 
23. We saw some local children swimming in a ___________river. 
 A. pollute B. polluted C. pollutes D. pollution 
24. A ___________use of natural resources will cause a shortage later. 
 A. waste B. creative C. refillable D. wasteful 
25.Almost 27,000 trees are cut __________ every day just to make toilet paper!
 A. off B. down C. up D. in
26.The three Rs __________ reduce, reuse and recycle.
 A. mean by B. turn to C. stand for D. put up
27. We should use reusable shopping bags __________ plastic bags.
 A. instead of B. because of C. in spite of D. place of
28. Thousands of people donated money and food to those in __________.
 A. length B. need C. order D. space
29.__________ pollution can cause hearing loss.
 A. Air B. Water C. Noise D. Soil
30. If more people cycle, there will be __________ air pollution.
 A. much B. more C. less D. little D. WRITING
I. Make the first conditional sentences, using the words and phrases given. 
1. If/ we/ plant/ more trees/ neighbourhood/ greener. 
 .....................................................................................................................
2.If/ we/ cycle/ school/ every day/ we/ keep/ air/ clean and fresh.
 .....................................................................................................................
3. If/ we/ keep/ hunt/ animals/ they/ disappear/ soon. 
 .....................................................................................................................
4. If/ we/ cut down/ all/ trees/ there/ floods.
 .....................................................................................................................
5. If/ we/ use/ buses /we/ reduce/ pollution. 
 .....................................................................................................................
6. If / the Earth / greener / we / healthier / happier. 
 .....................................................................................................................
7. we/ help / protect / environment / if / use / paper bags. 
 .....................................................................................................................
8. If we/ recycle/ waste paper / we/ save / lot of / trees
 .....................................................................................................................
9. If / you / often / do / exercise / feel / healthier 
 .....................................................................................................................
10. help / reduce / environmental pollution / if / you / not use / plastic bags.
 .....................................................................................................................
II. Combine the sentences using conditional sentence type 1 and the words given.
1. Factories dump waste into rivers. A lot of fish die.
 If .....................................................................................................................
2. People use plastic bags. Oceans are full of plastic garbage.
 If .....................................................................................................................
3. I don't walk to school. I don't save a lot of money.
 I will .....................................................................................................................
4. People build too many houses. Land for farming decreases.
 Land for farming ....................................................................................................
5. The Earth becomes hotter. The polar ice cap melts.
 If ...................................................................................................................
6. The polar ice cap melts. Sea level rises. 
 If .....................................................................................................................
7. We don't use recycled products. We don't help the environment.
 We .....................................................................................................................
8. We breathe polluted air. We suffer from lung diseases.
 If .....................................................................................................................
9. People don't often cycle. There is much air pollution.
 There .....................................................................................................................
10. You don't write on both sides. You waste your paper.
 You .....................................................................................................................