Bài tập môn Tiếng Anh Lớp 9 - Unit 7: Saving energy

 Standard [n,a] Chuẩn,tiêu chuẩn
Ex: These bulbs use a quarter of the electricity of standard bulbs and last eight times longer.
 Labeling scheme [n] Nhãn hiệu,nhãn mác
 Tumble dryer [n] Máy sấy
 Efficiency [n] Năng suất,hiệu quả
 Compare [v] So sánh
 Appliance [n] Vật dụng
 Category [n] Loại, hạng
Ex:The label tells consumers how much energy efficiency each model has, compared with other 
appliances in the same category.
 Ultimately [adv] Cuối cùng
 Innovation [n] Sáng kiến, sự đổi mới
 Conserve [v] Bảo tồn
Ex: These innovations will save money as well as conserve the earth’s resources.
 Energy-saving [a] Tiết kiệm được điện năng
 Purpose [n] Mục đích
 WRITE & LANGUAGE FOCUS
 Conclusion [n] Kết luận,phần kết
 Attent [v] Chú ý,lưu ý
 Detail [n] Chi tiết,cụ thể
 Mechanic [n] Thợ cơ khí,thợ máy
Ex: have a mechanic check your motorbike regularly.
 Solid [a] Thể rắn,chất rắn
 Cabbage [n] Bắp cải
 Go on [v] Tiếp tục
 Decade [n] Thập niên
 Organize [v] Tổ chức
 Raise [v] Quyên góp tiền
II. WORD FORM
 VERB NOUN ADJECTIVE ADVERB MEANING
 1.drip drip dripping Nhỏ giọt,giọt nước
 2. sun solar Mặt trời
 3.heat Heat hot Nóng,làm nóng
 4. Necessity necessary necessarily Cần thiết
 5.consume Consumer Tiêu dùng
 consumption
 6.produce Product productive productively Sản suất
 7.effect Effection effective effectively ảnh hưởng,hiệu 
 quả
 8.replace Replacement Thay thế
 9.innovate Innovation Đổi mới,cải tiến
 10.conserve Conservation Bảo tồn
 11. Electricity Electrical/ electric Điện,thợ điện
 electrician
 12.introduce Introduction Giới thiệu
 13.attent Attention Chú ý,quan tâm
 14.organize Organization Tổ chức, người tổ 
 organizer chức 20. The teacher suggests that all of us_____________________ do something for the school fair. 
 (might/ will/ should/ had better)
 PRACTICE 2: Fill in each gap with a word from the box.
 household innovations energy nuclear effectively
 appliances efficiency infrastructure install labels
 1) Washing machines and irons are electrical _______________________.
 2) It is important to conserve ______________________.
 3) Remember to put some address ___________________ on the suitcases.
 4) More money is needed to maintain the city's __________________________.
 5) She got through her work with speed and ______________________.
 6) The plumber is coming tomorrow to ____________________ the new washing machine.
 7) Britain produces 20 million tons of _________________ waste each year.
 8) There have been recent __________________in steel-making technology.
 9) The department needs three more computers in order to work most ___________________.
 10) The government is having difficulty finding a safe depository for ____________ waste.
PRACTICE 3: SUPPLY THE CORRECT FORM OF THE WORDS
 1. A ______ is a person who install and repairs things such as water piples, toilets, etc ... 
 (plumbing)
 2. Water is going all over floor because of the ________________ faucet.(drip)
 3. You can ask that plumber for _________ on how to prepair the cracks in the water pipes. 
 (advise)
 4. To keep the air unpolluted, people ought to use _____________energy to create electricity. 
 (sun)
 5. Here is the weather forecast for tomorrow. Hanoi will be clear and __________ (cloud)
 6. ____ are very demanding. They want products that are both cheap and of good quality. 
 (consume)
 7. We can save electricity by the ________________ of ordinary 100 - watt light bulbs with energy 
 - saving bulbs.(place)
 8. ___________________ always want cheap, effective products and services.(consume)
 9. Like beverage cans and bottle, this _______________ can be recycled. (product)
 10. Fuel ________________ can be cut down by having fewer cars on the roads.(consumer) 
 11. Recycled ________ are of the same quality as those made from non-recycled material. 
 (produce)
 12. We must learn to save _______________ resources or life will be very bad for children and our 
 grandchildren. (nature)
 13. In a few year’s time, our house will be __________________ by solar energy.(hot)
 14. Since the word’s energy resources are limited, we must _______________ them.(conserve)
 15. I am pleased that my secretary solved the problem _____________ .(effected)
 16. The high cost of heating and _______________ prevents us from wasting electricity.(light) He suggested that ______________________________________________.
4) Is it all right if you take care of the children?
 Do you mind ______________________________________________.
5) Because she behaves well, everybody loves her. 
 Because of ______________________________________________.
6) She was very tired, so she went to bed. 
 She went ______________________________________________.
7) I haven’t eaten this kind of food before.
 This is the first time ______________________________________________.
8) To use solar energy for a number of days is possible.
 It is ______________________________________________.
9) If we use solar energy, we can save natural resources.
 By ______________________________________________.
10) It’s not necessary for you to finish it by Saturday. 
 You ______________________________________________.