Bài tập ôn tập Tiếng anh 8 thí điểm - Unit 7: Pollution

ntaminate (v) nhiễm bẩn/ trùng - contamination (n): sự lây nhiễm – contaminated (a): bẩn
Ex 1. Name the different pollution (Tên các loại ô nhiễm)
water pollution	 land/soil pollution 	air pollution	noise pollution
thermal pollution	light pollution	radioactive pollution	visual pollution
Ex 2. Fill in one suitable word. (Điền từ thích hợp)
1. When__________  happens, the water temperature in streams, rivers, lakes, or oceans changes.
2.  _________occurs when the atmosphere contains gases, dust, or fumes in harmful amounts.
3. When radiation goes into the land, air or water, it is called______________ .
4. Too much use of electric lights in cities may cause ______________.
5. ______ is the contamination of lakes, rivers, oceans, or groundwater, usually by human activities.
6. _________ happens when human activities destroy the Earth’s surface.
7. __________ occurs because there are too many loud sounds in the environment.
8. The sight of too many telephone poles, advertising billboards, overhead power lines, or shop signs may cause ___________.
III. Find a suitable word to fill in the blanks. (Điền từ thích hợp)
1. The poisonous chemical waste is dumped ............ the river.
2. Do you know what ........................cause air pollution?
3. The .......................... fish are floating in the water.
4. Don’t drink that water. It’s ...................................
5. The ............................ rain has caused damage to the trees in this area.
6. If we pollute the air, more people will have .................................. problems.
IV. Cause or effect? (Viết lại câu dùng từ trong ngoặc)
1. People throw litter on the ground. Many animals eat the litter and become sick.(because)
................................................................................................................................................................
2. Ships spill oil in oceans and rivers. Many aquatic animals and plants die. (lead to)
..........
10. botanical
8. poetic
scientific	national	medical	chemical	dramatic
VI. Conditional type I (Viết câu điều kiện loại 1)
A person looks at the sky at night. He is not able to see the Milky Way by naked eye.
................................................................................................................................................................
Noise pollution happens regularly. It causes stress or nuisance.
................................................................................................................................................................
Australia has invested in water in Viet Nam with good results. Half of the population in the rural areas has access to fresh water.
................................................................................................................................................................
You use compact light bulbs- You save a lot of energy.
................................................................................................................................................................
We have more space. We plant more trees
................................................................................................................................................................
VII. Stress (Đánh trọng âm)
scenic
economic
terrific
Arabic
athletic
Linguistic 
Sonic
super sonic
Terrific
cosmetic
aerobic
symbolic
politic
syslematic
phonetic
emphatic
sympathetic
automatic
historic
comic
heroic
specific
scientific
mechanic
republic
romantic
microscopic
magic
fabric
ocecmic
arithmetic
traffic
Energetic
ceramic
aquatic
geographic
energetic
botanical
classical
typical
logical
commercial
political
-
tropical
vertical
practical
critical
mythical
VIII. Word form (Điền dạng đúng của từ)
1. The soil becomes_______________because of the use of so many pesticides and fertilizers. (contaminate)
2. __________................................... paper.
5. If we (use) ............................ water carefully, more people (have) ............................... fresh water.
6. If you (be) ..................... the president, what  you (do) ........................ to help the environment?
7. They get sick so often. If they (exercise) ........................ more, they (be) ........................ healthier.
8. If I (have) ..................... one million US dollars, I (build) ........................... more parks in our city.
9. Ngoc’s mother is unhappy. If Ngoc (tidy)  ........................her room every day, her mother (not be)  ....................................so upset.
10. There isn’t a garden at our house. If there (be)................ , we (grow)  .......................vegetables.
X. Complete the conditional type I-II. (Hoàn thành câu điều kiện)
1. Students are more aware of protecting the environment. Teachers teach environmental issues at school. 
→ 
2. Light pollution happens. Animals change their behaviour patterns. 
→ 
3. The levels of radioactive pollution decrease. We switch from nuclear power to renewable energy sources. 
→ 
4. The water temperature increases. Some aquatic creatures are unable to reproduce. 
→ 
5. People get more diseases. The water is contaminated.
6. There are so many billboards in our city. People cannot enjoy the view. 
→ .
7. There is so much light in the city at night. We cannot see the stars clearly. 
→ .
8. We turn on the heater all the time. We have to pay three million dong for electricity a month. 
→ .
9. The karaoke bar makes so much noise almost every night. The residents complain to its owner. 
→
10. She has a headache after work every day. She works in a noisy office.
XI. Read and answer the questions.
Water pollution is the contamination of bodies of water such as lakes, rivers, oceans, and groundwater (the water beneath the Earth’s surface). It is one of the most serious types of pollution