Mình làm hết rồi nhé. Chúc bạn học tốt ^^
IX
1. C
2. A
3. C
4. B
5. A
6. B
7. A
8. A
X
1. A
2. B
3. C
4. C
5. A
XI
1. Noise pollution is any lound sounds either harmful or annoying to humans and animals.
2. Generally, noise produced from household appliances, big trucks, vehicles and motorbikes or on the road, planes and helicopters flying over cities, loud speakers, etc.
3. Noise solution can cause stress, illnesses, hearing loss, sleep loss, and lost productivity.
4. Health effects from noise include anxiety stress, headaches, and irritability nervousness.
5. Noise-producing industries such as airports and bus terminals should be located far from living places.
6. The officials must check misuse loudspeakers outdoor parties and discos as well as public announcement systems.
XII
1. Air pollution leads to asthma, allergies and other respiratory illnesses.
2. Aquatic life suffers or dies because of thermal pollution.
3. The paper mill in Thai Nguyen City releases the waste water so water in the Cau River becomes brown and has terrible smell.
4. Waterin rivers, canals, lakes are extremely polluted and has bad effects on people’ health because people use much herbicide to treat weeds.
5. Many fish in the river die because water temperature increase.
6. Plastic bags take so long to decompose so nearly all of them still exist in the environment today.