Đề cương ôn tập Tuần 20 đến 22 môn Tiếng Anh Lớp 8 (Hệ 10 năm) - Trường THCS An Thới

Nội dung text: Đề cương ôn tập Tuần 20 đến 22 môn Tiếng Anh Lớp 8 (Hệ 10 năm) - Trường THCS An Thới

1. NỘI DUNG ÔN TẬP TỪ TUẦN 20 ĐẾN TUẦN 22 MÔN: TIẾNG ANH 8 (HỆ 10 NĂM) UNIT 7: POLLUTION A. VOCABULARY: - Affect (v): làm ảnh hưởng - Aquatic (adj): dưới nước - Cholera (n) bệnh dịch tả - Come up with (v): nghĩ ra - Contaminate (v): làm bẩn - Contaminant (n) chất gây bẩn - Measure (v): đo - Non-point source pollution (n): ô nhiễm không nguồn - Point source pollution (n): ô nhiễm có nguồn - Poison (n)/(v): chất độc/ làm nhiễm độc - Pollutant (n): chất gây ô nhiễm - Radioactive (adj): thuộc về phóng xạ - Radiation (n): phóng xạ - Thermal (adj): thuộc về nhiệt - Untreated (adj): không được xử lý - Permanent (adj): vĩnh viễn B. GRAMMAR POINTS: 1. Conditional sentences type 1 (Điều kiện loại 1) - The conditional sentence type 1 describes a thing which is possible and likely to happen in the present or future. “Câu điều kiện loại 1 được dùng để diễn tả một sự việc có thể xảy ra ở hiện tại hoặc tương lai.” - Câu điều kiện có 2 mệnh đề: Mệnh đề chính và mệnh đề phụ (mệnh đề điều kiện). - Động từ ở câu điều kiện loại 1 được sử dụng như sau: Main clause If clause Will + V (bare infinitive) Vo/s/es (Simple present)
2. Ex: We will save thousands of trees if we don’t waste paper. - Mệnh đề “If” khi đặt trước mệnh đề chính ta phải dùng dấu phẩy giữa 2 mệnh đề. Ex: If we recycle more, we will help the Earth. 2. Conditional sentences type 2 (Điều kiện loại 2) a. The conditional sentence type 2 describes a thing which is not true or is unlikely to happen in the present or future. “Câu điều kiện loại 2 được dùng để diễn tả một sự việc không có thật hoặc không thể xảy ra ở hiện tại hoặc tương lai.” Ex: If he had a lot of money, he would travel around the world. b. The conditional sentence type 2 can be used to give advice. “Câu điều kiện loại 2 còn có thể được dùng để đưa ra lời khuyên.” Ex: If I were you, I would see the doctor immediately. * Động từ ở câu điều kiện loại 2 được sử dụng như sau: Main clause If clause Would/ could/ might + V (bare infinitive) V2/ ed (Simple past) Ex: If you were the president, what would you do to help the environment? * Với động từ “TO BE” chúng ta có thể dùng “was” hoặc “were” cho các chủ từ như (I/ he/ she/ it) trong mệnh đề “IF”. Ex: If it wasn’t/ weren’t noise here, I could hear you clearly. C. EXERCISES I. PHONETICS: Find the word which has a different stress pattern from the others. 1. A. repetitive B. electrical C. priority D. energetic 2. A. national B. physical C. arrival D. natural 3. A. medical B. national C. chemical D. informal 4. A. dramatic B. politic C. historic D. injury 5. A. aquatic B. problematic C. influential D. economic II. VOCABULARY AND GRAMMAR: 1. Now match type of pollution and its definition.
3. 1. air pollution A. a result of using radioactive elements from atomic energy stations. 2. water pollution B. a consequence of the excess dumping of toxic waste. 3. land pollution C. a contamination of natural air with dangerous gases. 4. sound pollution D. a consequence of releasing excess heat from power plants, industries involved in metals molding, etc. 5. radiation pollution E. a consequence of the excessive and inappropriate use of artificial light. 6. thermal pollution F. a disturbance of silent environment with harsh loud noises. 7. light pollution G. a contamination of both drinking water from rivers, ponds and also sea water with large amounts of human and industrial wastes. 2. Choose the best answer by circling A, B, C or D. 1. ___loss can be caused by noise pollution. A. sound B. hearing C. listening D. audio 2. Ships spill oil in oceans and rivers. This leads ___the death of many aquatic animals and plants. A. to B. in C. from D. at 3. Households pollute water sources by ___ waste into ponds, lakes, and rivers. A. damaging B.dumping C. losing D. leading 4. This month’s electricity bill is too high ___ the air conditioner is turned on all the time. A. since B. due to C. although D. becauseof 5. The government has come ___ a solution to the water problems of the city. A. up to B. up with C. to with D. on to 6. All the aquatic plants and animals will die if the factory___dumping poison into the lake. A. will keep B. to keep C. kept D. keeps 7. A lot of fish has died recently because of the ___water in this lake. A. contaminating B. contaminated C. contaminate D. contaminant 8. If the air was clean, we ___ have to wear masks when going out. A. wouldn’t B. won’t C.would D. will
4. 9. If I ___you, I ___water from that dirty tap. A. am - will drink B. am - won’t drink C. were - would drink D. were - wouldn’t drink 10. If he ___trash around his garden, the garden would look very nice now. A. will throw B. would throw C. didn’t throw D. doesn’t throw 3. Fill in the blank with the correct form of the given word. 1. Many people don’t know about the ___ of soil pollution dangerous 2. The river is seriously___by the factory’s waste. contaminate 3. High blood ___ can be brought about by noise pollution. press 4. The water color can show us how ___ the river is. pollute 5. A lot of ___fish are floating on the surface of the lake die 6. Scientists say that exhaust fumes are___ our city. poison 7. Many seabirds were___ because of the oil spill. die 8. Waste from households will gradually___ the lake. contamination 9. Trees can’t grow here because the soil is too___ . pollute 10. That fierce storm left behind badly___buildings. damage III. READING: 1. Read the passage then choose the best answer by circling A, B, C or D. There are three main (1) ___ of pollution: air pollution,water pollution and noise pollution. Air, which is the most important element of our environment for our (2)___, can be polluted in many ways. Smoke in the air from mills, factories and industry (3) ___ carbon, monoxide, carbon dioxide, and methane, which are all poisonous gases. This leads (4) ___ health problems like asthma and lung diseases, and the thinning of the ozone layer,which (5) ___ us from harmful UV ray. China, the USA, Russia, India, Mexico andJapan are the world leaders in air pollution (6) ___ Water is also polluted by the discharge of commercial and industrial waste. Sewage in drinking water is another (7) ___ of water pollution as it contains germs and viruses. The noise of vehicles, mills, and factories can be really unbearable. This kind of constant sound also (8) ___ headaches, tension, (9) ___ stress and migraines. People living next to a building site where there is too much noise can become sick, as they can notsleep or relax. This is (10) ___ noise pollution. 1. A. types B. kinds C. models D. both A & B 2. A. survival B. survive C. surviving D. survived 3. A. includes B. include C. contains D. contain 4. A. in B. into C. to D. from 5. A. prevents B. protects C. avoids D. hides
5. 6. A. emissions B. emitted C. emission D. emitting 7. A. effect B. cause C. result D. consequence 8. A. causes B. leads to C. results in D. all are correct 9. A. brain B. mind C. head D. mental 10. A. told B. called C. said D. mentioned 2. Read the passage. Answer the questions below. Scientists have discovered that the ozone layer is getting thinner. Some predict that the sun’s rays will cause a sharp increase in deaths from skin cancer over the next fifty years. These harmful rays can also damage the eyes, create wrinkles, and cause other health problems. The stratosphere contains a form of oxygen called ozone. Ozone is a molecule composed of three oxygen atoms. The chemical formula of ozone is 03. Oxygen molecules make up about 21% of all gases in the Earth’s atmosphere. They consist of two atoms of oxygen and are labeled 02. Most ozone found in our atmosphere is formed by an interaction between oxygen molecules and ultraviolet radiation (UV) from the sun. When ultraviolet radiation hits an oxygen molecule, it may cause the molecule to break apart into single atoms of oxygen. These single atoms are very reactive, and a single oxygen atom can combine with a molecule of oxygen to form ozone. * Questions: 1. What do people say about the rate of deaths from skin cancer in the future? ___ 2. How many oxygen atoms are there in a molecule? ___ 3. What elements participate in the formation process of ozone? ___ 4. What happens when an oxygen molecule and an ultraviolet radiation hit each other? ___ 5. What is the feature of single atoms? ___ IV. WRITING 1. Rewrite the following sentences based on the given words. 1. People don’t care much about environment, so they keep making it worse. → If people___. 2. She suffered from a serious disease because of drinking contaminated water in a long time. → Since___.
6. 3. The drainage system is damaged. There is not enough water for the crop. → If the drainage system ___. 4. “Why don’t you turn off more lights in the house to reduce your eyestrain?” → If I ___. 5. The improvements of the public transport system will encourage more people to use it. → If___. 2. Make conditional sentences type 2 from the clues. 1. If/ I/ be/ you/, I/ plant/ vegetables/ garden. ___. 2. More/ tourist/ come/ here/ if / beach/ be/ cleaner. ___. 3. What/ happen/ if / there/ be/ no/ car/ world? ___. 4. If/ I/ be/ his mother/, I/ ask/ tidy/ room/ every day. ___. 5. If/ there/ be/ no/ war/, people/ live/ more/ happy. ___. 6. Soil/ not/ be/ so/ polluted/ if/ farmers/ not use/ much/ chemical/ fertilizer. ___. THE END