XI. Joining two sentences, using the words in brackets.
1. We must conserve water. Otherwise we will face serious water shortages. (IF)
__________________If we don't conserve water, we will face serious water shortages ______________________________________________
2. The weather was awful. We didn’t enjoy our camping holiday. (BECAUSE OF)
____________________Because of the awful weather, we didn't enjoy our camping holiday____________________________________________
3. Plastic bags are non-biodegradable. They will remain in the environment for many years.
(SINCE)
______________________Plastic bags will remain in the environment for many years since they are non-biodegradable__________________________________________
4. Paul doesn’t think about the planet. He wastes so much water. (IF)
_______________________If Paul though about the planet, he wouldn't waste so much water_________________________________________
5. Water pollution happens. Many aquatic animals such as fish can die. (LEAD)
____________________Water pollution can lead to the death of many aquatic animals such as fish___________________________________________
6. The climate is changing. The earth is getting warmer. (BECAUSE)
_______________________Because the climate is changing, the earth is getting warmer _________________________________________
7. We should stop cutting down so many trees. We endanger our oxygen supply. (UNLESS)
_________________________Unless we stop cutting down so many trees, we will endanger our oxygen supply _______________________________________
8. People begin to recycle. They generate much less trash. (WHEN)
_____________________________When people begin to recycle, they generate much less trash___________________________________
9. We are damaging the ozone layer. The ozone layer is necessary for human existence.
(EVEN THOUGH)
___________________________Even though the ozone layer is necessary for human existence, we are damaging the ezone layer_____________________________________
10. Sue is suffering from skin cancer. She was exposed to radiation when she was young. (SO)
_______________________Sue was exposed to radiation when she was young so she is suffering from skin cancer_________________________________________

XI. Joining two sentences, using the words in brackets.

1. We must conserve water. Otherwise we will face serious water shortages. (IF)

_______________If we don't conserve water, we will face serious water shortages.

_____________________________________________________

2. The weather was awful. We didn’t enjoy our camping holiday. (BECAUSE OF)

___________Because of the awful weather, we didn't enjoy our camping holiday.

_________________________________________________________

3. Plastic bags are non-biodegradable. They will remain in the environment for many years. (SINCE)

________Since plastic bags are non-biodegradable, they will remain in the environment for many years.

____________________________________________________________

4. Paul doesn’t think about the planet. He wastes so much water. (IF)

___________If Paul thought about the planet, he wouldn't waste so much water.

_________________________________________________________

5. Water pollution happens. Many aquatic animals such as fish can die. (LEAD)

_______Water pollution leads to the death of many aquatic animals such as fish.

_____________________________________________________________

6. The climate is changing. The earth is getting warmer. (BECAUSE)

___________Because the climate is changing, the earth is getting warmer.

_________________________________________________________

7. We should stop cutting down so many trees. We endanger our oxygen supply. (UNLESS)

__________Unless we stop cutting down so many trees, we will endanger our oxygen supply.

__________________________________________________________

8. People begin to recycle. They generate much less trash. (WHEN)

_________When people begin to recycle, they generate much less trash.

___________________________________________________________

9. We are damaging the ozone layer. The ozone layer is necessary for human existence. (EVEN THOUGH)

_________Even though the ozone layer is necessary for human existence, we are damaging it.

___________________________________________________________

10. Sue is suffering from skin cancer. She was exposed to radiation when she was young. (SO)

____________Sue was exposed to radiation when she was young, so she is suffering from skin cancer.

________________________________________________________

Reorder the words to make full sentences

1. of bodies /directly/ Air pollution /contaminate /can /of water and soil /the sunface

Air pollution can directly contaminate the surface of bodies of water and soil

2. trees /so much /don't /We /if /we /waste /will /thousands of /paper /save

We will save thousands of trees if we don't waste so much paper

3. would /bad /air pollution /What /got /you /really /do /if/?

What would you do if air pollution got really bad?

4. as /the death /Pollution water /animals /of /fish and crabs /such /aquatic /cause

Polluted water cause the death of apuatic animal such as fishes and crabs

5. households /Because /is /garbage /many /throw /on/ ground, /the /the land /polluted

Because many households throw garbage on the ground, the land is polluted

#maymay#

1.Air pollution can directy contaminate the sunface of bodies of water and soil.
2.We willl save thousands of trees if we don’t waste so much paper.
3.What would you do if air pollution got really bad?
4.Pollution water causes the death of aqua animals such as fish and crabs.
5.Because many households throw the garbage on ground, so the land is pollted.

1. If we don't conserve water, we will face serious water shortages.

2. Because of the awful weather, we didn’t enjoy our camping holiday. 

: I. Choose the best answer:

1. If the factory (continues/ to continue/ continued) dumping poison into the lake, all the fish and other aquatic animals will die.

2. Water (pollution/ pollute/ polluted) in the lake has made the fish die.

3. Mi and Nick like (comes/ come/ coming) back Mi’s home village on holiday.

4. If the factory continues dumping poison into the lake, all the fish and other aquatic animals (will die/ to die/ dead)

6. If we (will use/ would use/ use) water carefully, more people will have fresh water.

7. If the factory continues dumping poison (into/ to/ about) the lake, all the fish and other aquatic animals will die

8. Farmers in our area usually use (pesticides/ herbicides/ waste/ sewage) to kill insects

9. If we (polluted/ pollute/ pollution/ pollutant) the air, more people will have breathing problems

10. If you can experience noise pollution for a long time, you can have headache, high blood pressure and (hearing loss/ contaminant/cough/ radiation)

11. Because the water is polluted, (aquatic/ electric/ chemical/ fresh) plants may also die

12. (Noise/ Headache/ Earplug/ Symptom) is any sound that is loud and constant.

13. Do you know what (polluted/ pollute/ pollution/ pollutant) cause air pollution

14. (Poison/ Poisonous/ Poisoning/ Poisoned) chemical waste is dumped into the river by many factories

15. The (dead/ die/ death/ died) fish are floating in the water.

16. We plant trees, (due to/ because/ because of/ so) we can have fresh air.

17. When the loudness of sounds is more than (20 dBs/ 30dBs/ 50 dBs/ 70dBs), noise pollution happens ( cái này mình cũng không nhớ rõ , ở trong SGK có á , bạn giở ra xem nhé )

18. Too much carbon dioxide (CO2) in the atmosphere (causes/ lead/ result/ make) to global warming

19. Waste from households will gradually (contamination/contaminate/contaminant/ contaminated) the lake.

20. When (visual/ thermal/ light/ radioactive) pollution happens, the water temperature in streams, rivers or oceans changes.

21.We can’t see stars at night (because of/ because/ since/ due) the light pollution.

22.If you (was / were/ are/ could be) in my position, you would understand me.

23.When (visual/ thermal/ light/ radioactive) pollution happens, the water temperature in streams, rivers or oceans changes.

24.Many seabirds were (die/ death/ dead/ died) because of the oil spill.

25.(Aquatic/ Electric/ Chemical/ Fresh) plants may also die because of the polluted water

26. Many animals eat the (litter/ energy/ aqua/ temperature) and become sick.

27. The acid rain has caused (damage/ advantage/ pollutant/ environment) to the trees in this area.

28.If I (have/ has/ had/ will have) one million US dollars , I would build more parks in our city.

#Yumi

Ex1 : 

1.Air pollution can contaminate directly of bodies water and soil of  the surface 

2.We will waste so much paper if we don't save thousands of trees .

3.What đo you really got if air pollution would be bad ?

4. Polluted water causes sach as the death of fish and crab ,aqua,animals . 

5. If we recycle more rubbish ,it went to less landfill sites .

6.Agriculture has been impacted due to the overuse of chemicals on land pollution

7.Too much light is used in cities may cause of light pollution electric 

8. Water pollution is one of the most serious enviroment problems of our time

1. Alaska is perhaps the most (puzzling/ festive/ amazing) state in the USA. It has over three million lakes.

2. The old tradition of first- footing is still practiced today in (Scottish/ Scots/ Scotland).

3. In Canada, the serving of coffee at the end of an evening is a signal that it is time for (visitors/ tourists/ holiday makers) to leave.

4. The Maori in New Zealand greet each other by (punching/ touching/ blowing) their noses.

5. Australia is composed of seven (nations/ countries/states)

6. There is a red maple leaf on the (flag/ banner/ money) of Canada.

7. If the factory (continues/ to continue/ continued) dumping poison into the lake, all the fish and other aquatic animals will die

9. Water (pollution/ pollute/ polluted) in the lake has made the fish die.

10. Mi and Nick like (comes/ come/ coming) back Mi’s home village on holiday.

11. If the factory continues dumping poison into the lake, all the fish and other aquatic animals (will die/ to die/ dead)

12.Water pollution is the (contaminating/ contaminate/ contamination) in the lake has made the fish die.

13. If we (will use/ would use/ use) water carefully, more people will have fresh water.

14. If the factory continues dumping poison (into/ to/ about) the lake, all the fish and other aquatic animals will die.

Give correct form of the words in brackets:

1. Factories dump........industrial........ waste into lakes and rivers . (industry)

2. The ......contamination........ of water can make people and other animals die . (contaminate)

3.Households dump waste into the river so it is ......polluted..........(pollute)

4.Since the parents were exposed to.......... radioactive... , their children have birth defects .(radioactive)

5. If we use water .....carefully........, more people will have fresh water.(care)

6. The........dying.......... fish are floating in the water . (die)

7. Do you know what......pollutants........ cause air pollution? (pollute)

8. The river is ...........contaminated..............by the dumping from nearby factories.(contaminate)

9. Noise pollution can also lead to headaches and high blood..............pressure............(press)

10. Dumping............industrial............waste into the lakes and rivers has cause serious water pollution.(industry)