1 Circle the letter A, B, C, or D to indicate the correct answer to each of the following questions.

(Khoanh tròn chữ cái A, B, C hoặc D để chỉ ra câu trả lời đúng cho mỗi câu hỏi sau.)

1. Electric cars are generally more ______ -friendly than cars running on petrol.

A. eco

B. ecology

C. ecology's

D. ecological

2. My mum never throws away any ______, but recycles them into new dishes.

A. leftovers

B. waste

C. packaging

D. compost

3. I try to buy food that is packed in recyclable ______.

A. cardboard

B. bins

C. containers

D. layers

4. Organic ______ made from dry leaves and grass can help make your garden healthy and beautiful.

A. waste

B. compost

C. leftovers

D. landfills

5. Many volunteers are participating in the campaign to ______ up our beaches.

A. rub

B. wash

C. clean

D. rinse

6. Burying waste in ______ can lead to other environmental problems such as soll and air pollution.

A. landfills

B. recycling plants

C. containers

D. cardboard boxes

7. Organic waste such as fruit and vegetables can ______ more quickly than other materials.

A. decrease

B. decompose

C. destroy

D. degrade

8. We can ______ glass jars for storing cookies, jam, or nuts

A. reduce

B. reuse

C. recycle

D. waste

9. Industrial ______ can be poisonous and should be treated very carefully.

A. waste

B. compost

C. landfill

D. leftovers

10. You should first break down and flatten ______ boxes before putting them in the recycling bins.

A. leftover

B. plastic

C. cardboard

D. metal

11. Plastic ______ is more durable, but it is not good for the environment.

A pack

B. package

C. packaging

D. packing

12. I decided to fly less in order to reduce my ______.

2 Circle the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

(Khoanh tròn chữ cái A, B, C hoặc D để chỉ ra (các) từ GIỐNG NHẤT về nghĩa với (các) từ được gạch chân trong mỗi câu hỏi sau đây.)

1. Do not throw away those plastic bags. They can be reused.

A. used less

B. used again

C. recycled

D. discarded

2. Those piles of books have been covered in dust for a long time. If I were you. I would recycle or donate them.

A stacks

B. groups

C. pieces

D. bunches

3. You can use orange peels to make tea, or you can add them to cakes for extra flavour.

A. skin

B. flesh

C. seeds

D. content

4. Household waste can lead to indoor pollution if it is not treated properly.

A. leftovers

B. rubbish

C. compost

D. packaging

5. It was such a waste to throw away all the leftover food from the party.

A. leftovers

B. pile

C. misuse

D. landfill

6. Remember to rinse out takeaway food containers properly before you put them in the recycling bins.

A. wipe

B. wash off

C. put away

D. throw away

7. The To Lich River used to be a beautiful tourist destination, but now it is heavily contaminated with wastewater.

A. decomposed

B. destroyed

C. wasted

D. polluted

8. Plastic packaging could be reduced, reused, and recycled in many ways.

3 Circle the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.

(Khoanh tròn chữ cái A, B, C hoặc D để chỉ ra (các) từ TRÁI NGHĨA với (các) từ được gạch chân trong mỗi câu hỏi sau đây.)

1. Everyone should be encouraged to adopt a green lifestyle.

A. environmentally friendly

B. environmentally damaging

C. healthy

D. unhealthy

2. We spent the weekends cleaning up the neighbourhood.

A. messing up

B. tidying up

C. decorating

D. damaging

3. The river is so contaminated that it smells like rotten eggs.

A. dangerous

B. beautiful

C. polluted

D. clean

4. Don't forget to turn off the lights when you leave the room.