Ôn tập kiến thức môn Tiếng Anh Lớp 9 - Unit 7: Saving energy

 UNIT 7 
 SAVING ENERGY 
 I. Listen and read 
1. What’s the matter ? cĩ chuyện gì vậy 
2. energy ['enədʒi] (n) năng luợng 
3. recent ['ri:snt] (a) gần đây, mới đây 
 recently ['ri:sntli] (adv) 
4. bill [bil] (n) hĩa đơn thanh tốn 
5. enormous [i'nɔ:məs] (a) rất nhiều, rất lớn 
 enormously [i'nɔ:məsli] (adv) rất, vơ cùng 
6. plumber ['plʌmə] (n) thợ sửa ống nước 
7. crack [krỉk] (n,v) vết nứt, vết rạn, làm rạn 
nứt 
8. pipe [paip] (n) ống nước 
9. drip [drip] (v) nhỏ giọt, chảy nhỏ giọt 
 dripping faucet vịi rỉ nước 
10. waste # save [weist] (v) lãng phí # tiết kiệm 
 II. Speak (about how to save energy) 
 Để đưa ra một gợi ý, ta cĩ thể dùng: 
 I suggest + Ving I suggest having a party: 
 (Tơi đề nghị nên tổ chức một bữa tiệc) 
 I suggest (that) +S + should + V1 I suggest (that) we should buy a 
 dictionary. 
 (Tơi đề nghị chúng ta nên mua một 
 cuốn tự điển) 
 I think we should + V1 I think we should go on a travel. 
 ( Tơi nghĩ là chúng ta nên đi du lịch) 
 Let’s + V1 Let’s go swimming. 
 ( Chúng ta đi bơi đi) 
 Shall we + V1? Shall we have lunch ? 
 ( Chúng ta ăn trưa nhé?) 
 Why don’t you / we + V1? Why don’t we go now? 
 ( Tại sao chúng ta khơng đi bay giờ?) 
 Why not + V1? Why not stay for lunch? 
 ( Tại sao khơng ở lại ăn trưa nhỉ?) 
 How about / what about +Ving? How about going out for dinner 
 tonight? 
 ( Tối nay ra ngồi ăn tối nhé?) 
 9. standard ['stỉndəd] (a) chuẩn, phù hợp với tiêu 
chuẩn 
10. scheme [ski:m] (n) kế hoạch, âm mưu 
 scheme [ski:m] (v) lập kế hoạch, âm mưu 
11. label ['leibl] (v, n) dán nhãn, nhãn 
12. tumble dryer ['tʌmbl] (n) máy sấy quần áo 
13. compare with [kəm'peə] (v) so sánh 
 comparison [kəm'pỉrisn] (n) sự so sánh 
14. appliance [ə'plaiəns] (n) thiết bị, dụng cụ 
15. category ['kỉtigəri] (n) loại, hạng 
16. ultimately ['ʌltimətli] (adv) cuối cùng, rốt cục 
 ultimate ['ʌltimət] (a) cuối cùng, sau cùng 
17. innovation [,inou'vei∫n] (n) sự đổi mới, sự canh tân 
 innovate ['inouveit] (v) đổi mới, canh tân 
 V. Write 
1. sump up [sʌmf ʌp] (v) tĩm tắt, tổng kết 
2. solid ['sɔlid] (a) rắn, ở thể rắn 
3. separate ['seprət] (a,v) riêng biệt, tách ra 
 separation [,sepə'rei∫n] (n) 
4. draft [drỉft] (v,n) viết nháp, phác thảo, bản 
phác thảo 
5. mechanic [mi'kỉnik] (n) thợ may 
6. detail ['di:teil] (n) chi tiết 
 give details trình bày chi tiết 
7. single printed page giấy in một mặt 
 GRAMMAR 
1. Connectives: (từ nối) 
 Từ nối dùng để nối các từ, mệnh đề, câu với nhau, cĩ 5 nhĩm 
 Nhĩm chỉ sự thêm vào : and, as well as, further more 
 Nhĩm đối lập, trái nghĩa : but, however (tuy nhiên) 
 Nhĩm lựa chọn : or (hoặc) 
 Nhĩm chỉ nguyên nhân : because, as, since 
 Nhĩm chỉ kết quả : so, therefore (vì vậy, cho nên) 
 Ex: - She cleans the floor and the window. 
 - Mary feels tired but she goes to school. 
 - Is he a student or a teacher ? 
 - We were late because it rained. 
 - Our suitcases were heavy, therefore we took a taxi. 
 A. Listen and read (textbook/ p. 57) (textbook/ p. 60) 
 1. Two ladies are worried about their water bills. 
 2. Mrs. Mi advices Mrs. Ha how to save water . 
 3. Mrs. Ha has had the pipes to check in her house by a plumber . 
 4. Mrs. Mi suggests taking showers and turn off the taps after use. 
 B. Listen (textbook/ p. 60) 
 1. Solar energy doesn’t cause pollution . 
 2. Solar energy that reaches the earth cannot provide enough power for the world 
 population. 
 3. Solar energy can be used on cloudy days. 
 4. We can receive the energy from the sun through the roof. 
II.Choose the word/ phrase (A, B, C or D) that best fits the space in each sentence 
1. What can we do to spend less....................lighting? 
A. about B. on C. in D. of 
2. You should reduce the  of water your family uses. 
 A. number B. amount C. many D. bill 
3. A  faucet can waste 500 liters of water a month. 
 A. dropping B. dipping C. running D. 
dripping 
4.. put all the guests on the first floor? 
A. Why not B. I suggest C. How about D. Let’s 
5. “I think we should fix the dripping faucet” “” 
 A. We will B. Good idea 
 C. Yes, please D. I’m afraid not 
6. “What about collecting used paper, bottles and cans every day?” 
 “ “ 
 A. Well done B. That’s a good idea 
 C. I’m afraid not D. That’s very kind of you 
7. “I suggest traveling by bikes instead of motorbikes to protect the environment” 
 “.. “ 
 A.. Oh, yes B. Thanks 
 C. Good luck! D. Great! Let’s do that. 
8. She forgot...................off the gas before going out. 
 A. to turn B. turned C. turn D. turning 
9. He was tired, ............... he took a rest before continuing the work. 
 A. and B.but C. if D.so 
10.I suggest ................ money for the poor people in our neighborhood. 
 A. saving B. to save C. saved D. save 
11. They get a plumber ________________ sure there are no cracks in the pipes. 
 A. make B. makes C. made D. to make 
12. Many people still believe that ______________resources will never be used up. 
A. nature B. natural C. naturally D. unnaturally 
13. If you want to save money, you should ____ the amount of water your family 
uses. A. increase B. reduce C. adapt D. repair 
14. Wholooks.............. Your children when you are away from home? 
A. to B. for C. after D.at 
15.She stays at home because she has to look ..................... her baby. 
A. after B.for C. up D.at A. Be careful! lightning can kill. 
 B. Be careful! electricity can kill. 
 C. Be careful! thunderstorm can kill. 
 D. Be careful! pollution can kill . 
 9/ What does the sign say? 
 A. Touch the light. 
 B. No sunlight. 
 C. Please turn off lights when not in use. 
 D. Risk of electric shock. 
 10/ This sign wants us to _______________ 
 A. Use onetime shopping bags 
 B. use environmentally friendly bags 
 C. use your own travel shopping bags 
 D. All are correct 
IV. Choose the word (A, B, C or D) that best fits the blank space in the following 
passage. (1,5m) 
 1. About twenty percent of the world’s present energy comes from the sun in one 
 form or another. Special devices have already been made available to (1) 
 ___________ on the roofs of houses and flats to catch the sun’s rays and thus heat 
 water. Thousands (2) _______ these devices are now being used to provide energy 
 in homes throughout the United States while more (3) ________ a million solar 
 water- heating units have already been built in homes in Japan. Other purposes for 
 which (4) _____________ energy is, at present, being used include the separation of 
 salt from seawater, irritation and sewage disposal. 
 For most people in (5) ____________ countries , the need is not for air-
 conditioners or central heating but for cheap (6)______________ of cooking food, 
 drying crops , and lighting houses. 
 1. A. put B. locate C. fit D. fix 
 2. A. in B. with C. on D. of 
 3. A. than B. of C. through D. over 
 4. A. sun B. sky C. space D. solar 
 5. A. develop B. developing C. develops D. to develop 
 6. A. manners B. ways C. models D. types 
 2. One of the most important discoveries of the nineteenth century was a 
 method (1) ___________ using natural gas for cooking and heating. Large 
 amounts of natural gas are (2) ____________ in The United States, usually several 
 thousand feet below the surface the earth. Natural gas is most often found in places 
 where petroleum, the oil from (3) _____________ gasoline is made, is found. 
 Often the natural gas must be removed before the oil itself is reached. 
 For many years after natural gas was first discovered, it was thought to 
 have no value. (4) ________________, people began to understand its uses and to 
 find ways of storing it and of moving it from place to place. 
 Today, natural gas is stored in large tanks and used for lighting, cooking 
 and heating. In many ways natural gas is one of our finest fuels. It can be (5) 
 _____________ for cooking without making the room hot. It is cheap and can be Water can also provide power. For a long time, people have used water to power 
machines. Some early uses of water power were to mill grain, saw wood, and power 
machinery for the textile industry. Today water power is mostly used to generate 
electricity. 
A. Write True or False for the following statements. 
1. There aren’t any alternative sources of energy which scientists are trying 
to find. 
2. Energy from the sun is limited but energy from the wind is not. 
 3. Our planet’s temperature can’t be maintained without solar 
power. 4. Water power can be used to saw wood. 
 B. Choose the most suitable item. 
5. What is the main topic of the passage? 
 A. Three alternative sources of energy. 
 B. Solar energy is important. 
 C. Water is necessary. 
 D. Almost all our energy comes from oil 
6. The word “All” refers to _________________. 
 A. the energy used to grow plants. 
 B. evaporating water for rain. 
 C. maintaining the temperature of the planet. 
 D. triple A, B, C 
VI. WORD FORMS 
1. A___________ is a person who installs and repairs things such as water pipes, 
toilets, etc. (plumbing) 
2. Water is going all over the floor because of the ____________ faucet . (drip) 
3. ______are very demanding. They want products that are both cheap and of good 
quality. (consume) 
4, We suggest ____________________the light bulb. It is broken, (replacement) 
5. Recycled ____________are of the same quality as those made from non-recycled 
material, (produce) 
6. I'm pleased that my secretary solved the problem __________________. (effect) 
7. There have been many _____ in the field of electrical engineering, (innovate) 
8. No doubt that there will be a great ________of food for the world's population, 
(short) 
9. Televisions, dishwashers and freezers are electrical ____________ . (apply) 
10.Can I just make one ______________ about how we might do this? (suggest) 
11.Solar energy can be used on _______________________ days. (cloud) 
12.A leader must be able to communicate __________ in order to be successful.(effect) 
13.In order to improve _________, we need to buy a new machine. (efficient) 
14.__________________ , the decision is yours. (Ultimate) 
15.It was ___________________ that I did badly in the exam. (disappoint) 
16.Scientists are looking for an _______________ way reduce energy 
consumption.(effect) 
17.I think the careless drivers should be fined ___________________. (heavy) 
18.To keep the air unpolluted, people ought to use __________energy to create 
electricity. (sun)