6. We will cut down on the use of natural gas because it is …… and harmful to the environment.

7. Low energy light bulbs should be used to …… electricity.

8. We must …… the amount of water our family uses every day.

9. An air craft without a human pilot aboard is called a …… aircraft.

10. The cars which are generated by solar energy are called …… car.

11. It is a short walk …… my house …… the cinema.

12. The village always …… its harvest festival in the spring.

13. Tet is a time for Vietnamese families to clean and …… their houses.

14. Tom:  …… are you going to Phu Yen?       -Mary: To attend Hoi Mua festival.

15. ……. is used as non-renewable source of energy.

I. Choose and circle the best answer.

1. Many ( cultural / romance / disappointed / annoyed ) and artistic activities are held as the part of the flower festival in Da Lat.

2. Wind , hydro and solar are ( modern / renewable / non-renewable / new ) energy sources.

3. Nick washes his hand a lot , ( so / and / but / although ) he doesn't have flu .

4. At a seasonal festival , people race down the hill to ( break / catch / buy / eat ) cheese.

5. ( When / How / Why / Where ) were you born ? - In March

6. We will cut down on the use of natural gas because it is ( plenty / limited / available / abundant ) and harmful to the environment .

7. The end of the fiml was to _________ that many people cried.

A. boring B. shocking C. exciting D. moving

1.Many ( cultural/romance/disappoited/annoyed) and artistic activities are held as the part of the flower festival in Da Lat.

2.Nick washes hí hand a lot, (so/and/but/although) he doesn't have flu.

3.At a seasonal festival , people race down the hill to(break / catch/buy/eat) cheese.

4.We will cut down on the use of natural gas because it is (plenty/limited/available/abudant) & harmful to the environment.

5. I found the book so ........................ that I couldn't take my eyes off the screen.

A. gripping B.shocking C.tiring D.boring

6.We found the plot of the film........................

A.bored B. boring C. interested D.acting

I. Choose the best answer a, b, c or d to complete the sentence.
1. The monowheel looks futuristic, but it can fall ______ very easily
a. up b. down c. over d. out
2. Natural gas is limited and it is harmful ______ the environment
a. for b. in c. with d. to
3. If you turn off the light when you leave the room, you'll use _____ energy.
a. fewer b. less c. more d. most
4. I didn't have my mobile, so Peter lent me _____.
a. mine b. his c. their d. hers
5. I'd prefer to have a _____ that can take me to another place in seconds.
a.teleporter b. monowheel c. hover scooter d. flying car
6. You have never heard about teleportation, _____?
a. do you b. don't you c. have you d. haven't you
7. With a solar PV system, solar panels _____ sunlight right into electricity.
a.create b. generate c. provide d. convert
8. Self-driving cars are expected to be _____ than human-driven ones.
a. more safely b. less safe c. more safer d. much safer
9. Mumbai is land of some of the world's richest people. _____, it is also home to the world's poorest.
a. Although b. Therefore c. However d. Despite
10. Many countries have the problem of overpopulated cities, _____?
a. do they b. haven't they c. doesn't it d. don't they
11. _____ there are still thousands of homeless people living on the streets, it is fewer than in the past.
a. As b. Though c. Because d. While
12. Overpopulation is a serious problem which is _____ the world in negative ways.
a. facing b. solving c. causing d. affecting
13. We will be successful if we try hard, _____?
a. don't we b. will we c. won't we d. do we
14. "Life must be very difficult with homeless people."
“_____. They have to face many problems beyond the lack of a suitable home."
a. Not really. b. No doubt. c. Of course not. d. Not at all.

Bài 2. Choose the best anwser (A, B, C or D) to complete the sentences.
1. At this time next week we…………………………….to work to support the air pollution cutting down campaign.
A. are cycling B. will be cycling C. will cycle D. will be cycled
2. Someone's carbon……………………is a measurement of the amount of carbon dioxide that their activities produce.
A. footprint B. energy C. effect D. amount
3. Remember to………………..the lights before going to bed.
A. turn on B. stop C. turn D. turn off
4. We will cut down the use of natural gas because it is…………….and harmful to the environment.
A. available B, abundant C. plenty D. limited
5. Hydro power is .................because dams cannot be built in certain areas.
A. abundant B. enough C. limited D. unlimited
6………………… source of energy is the source that can't be replaced after use.
A. Effective B. Non-renewable C. Renewable D. Natural
7. Which of the following is NOT renewable source of energy?
A. wind B. coal C. hydro D. solar
8. We are looking for cheap, clean and………………………sources of encrgy.
A. serious B. dangerous C. effective D. efficient
9. By the middle of the 21st century, people in developing countries…………..more renewable energy.
A. used B. have used C. uses D. will be using
10. If we go on…………………electricity, we will have to pay a lot next month.
A. turning on B. widened C. wasting D. increasing
11. Biogas is……………….and cheap for cooking and heating.

A. serious B. expensive C. plenty D. abundant
12. We should put………………….on our roof for the heating and hot water.
A. equipment B. cracks C. solar energy D. solar panels
13. In many countries, people think that electricity, gas and water are not luxuries………but
A. necessities B. appliances C. sales D. consumers
14. We should use………… light bulbs in our homes.
A. a bit energy B. efficient C. low energy D. little energy
15. A hydropower station……………………..in the North of the country next year.
A. will be built B. has been built C. was built D. were built

X. Read the passage carefully and do the tasks.
There are many kinds of pollution. Air, water, and land can be polluted. Some pollution is caused by
nature, such as foods, forest fires, and volcanoes. People are the major Cause of pollution. We pollute the
air with our cars, homes, and factories. Smoke from factories and car exhaust makes the air looks gray and
smoggy. Some people cannot go outside when the air is very bad! We pollute the water by dumping
garbage and Chemicals in the water. Plants and animals die because of the pollution in the water. We
pollute the soil with Chemicals and garbage. We harm the land by cutting down trees in the forest,
especially to build roads and new houses without careful planning and thinking.
The only way to save our environment is to think about pollution. How can you stop or limit pollution?
How do we protect our environment? Conservation is one way to protect our environment. Conservation is
the wise use and protection of our environment. We can control water pollution by not producing as much
as waste and by proper disposal of sewage and garbage. We can take care of recreation land by cleaning up,
after ourselves and not causing more pollution. Carpooling and public transportation will help reduce air
pollution.
Recycling is a type of conservation. Recycling is reusing items over again or in a new way. Recycling can
help us conserve our natural resources so they will last many more years. A. Find the word in bold in the
passage that means:
1. the protection of the natural environment ____
2. have a bad effect on something ____
3. a large amount of water covering an, area that usually dry ____
4. sharing a car ride with other people ____
5. waste gases that come out of an engine ____
6. the process of making air, water, soil, etc. dirty ____
7. get rid of ____
B. Choose the correct answers.
1. According to the passage, pollution________
A. is always caused by humans. B. can only be caused by nature.
C. is mainly caused by humans. D. may sometimes cause natural disasters.
2. What kind of pollution may a car cause?
A. Air pollution B. Water pollution C. Soil pollution D. Light pollution
3. Which of the followings is not an example of soil pollution?
A. Land development B. Waste disposal
C. Pesticide or fertilizer use D. Exhaust from traffic
4. How can we help save our environment?
A. Stop pollution. B. Dump garbage into the river.
C. Drive cars everywhere. D. Cut down trees in the forests.
5. How does recycling help the environment?
A. It expands landfills. B. It saves natural resources.
C. It increases water pollution. D. It causes air pollution.

6. What can we do to help reduce air pollution?
A. Walk or bike B. Carpool to work or school
C. Use public transport D. All of the above
7. What is the main idea of this article?
A.The air is dirty because of cars and factories. B. The soil gets polluted from littering.
C.People cause pollution, but they can also stop or limit it.
D. Conservation is the only way to stop environmental pollution.

II. Write the correct form of the word given

1. Coal will be …………………by another renewable source of energy in the future. REPLACE

2. Natural gas is …………….and it is harmful to the environment. LIMIT

3. I like solar energy because it is ………………..PLENTY

4. Using public transport can reduce ……………….….POLLUTE    

5. These types of energy do not cause pollution or waste ………………….resources. NATURE

6. We hope that by using solar energy, the problem of energy ……………….will be solved. SHORT

7. This new plant is being built to provide …………………for the population of the local area. ELECTRIC

8. Remember to turn off the lights when……………….to bed, boy! GO

9. She wears a sweater to keep her body………………..in the early winter. WARMTH

10. What are the advantages and ………………….of using public transport?

ADVANTAGE

II. Write the correct form of the word given

1. Coal will be …………………by another renewable source of energy in the future. REPLACE

2. Natural gas is …………….and it is harmful to the environment. LIMIT

3. I like solar energy because it is ………………..PLENTY

4. Using public transport can reduce ……………….….POLLUTE    

5. These types of energy do not cause pollution or waste ………………….resources. NATURE

6. We hope that by using solar energy, the problem of energy ……………….will be solved. SHORT

7. This new plant is being built to provide …………………for the population of the local area. ELECTRIC

8. Remember to turn off the lights when……………….to bed, boy! GO

9. She wears a sweater to keep her body………………..in the early winter. WARMTH

10. What are the advantages and ………………….of using public transport?

ADVANTAGE