Bài 1

1c

2F

3E

4H

5A

6G

7B

8D

Bài 2

1. Air pollution leads to asthma allergies and other respiratory illnesses

2. Aquatic life suffers or dies because of thermal pollution

3. The waste water is released from the paper mill in thai nguyen city, so water in the cau rivers becomes brown and has terrible smell

4. Water in rivers, canals, lakes are extremely polluted and has bad effers on people's health because people use too much herbicide to treat weeds

5. Many fish in the river die because the temperature of water increases

6. Plastic bags take so long to decompose, so nearly all of them still exist in the enviroment today

Bài 3

1T      2T       3F        4F      5T

1. Maori came from Polynesian islands

2. There are about 280,000 Maori 

3. They have brown skin, dark brown eyes and wavy black hair

4. They live a comfortable, morden life

5. They have yearly competitions in speaking, dancing and singing

Ex1

1-A

2-F

3-E

4-H

5-A

6-G

7-B

8-D

Ex2

1- Air pollution leads to asthma allergies and other respiratory illnesses

2- Aquatic life suffers or dies because of thermal pollution

3- The waste water is released from the paper mill in thai nguyen city, so water in the cau rivers becomes brown and has terrible smell

4- Water in rivers, canals, lakes are extremely polluted and has bad effers on people's health because people use too much herbicide to treat weeds

5- Many fish in the river die because the temperature of water increases

6- Plastic bags take so long to decompose, so nearly all of them still exist in the enviroment today

Ex3

1-T

2-T

3-T

4-F

5-F