Therefore, it’s important to improve, explore and develop such alternative energy sources nuclear, water, solar and wind power.. Each of these alternatives, however, has advantages and d[r]
Trang 1UNIT 7 SAVING ENERGY Môn: Tiếng Anh 9 chương trình cơ bản
Thời gian làm bài: 45 phút
(D : e665) II VOCABULARY AND GRAMMAR
Choose the best answer to each of the following questions
Question 7 For most households, lightning accounts 10 percent to 15 percent of the electricity bill
Question 8 Waste paper and bottles are collected recycling
Question 9 If we go wasting water, there will be a shortage fresh water in a few decades
Question 10 If you want to save money you should the amount of water your family uses
Question 11 In order to save electricity, an ordinary 100W light bulb can be replaced by a(an) bulb
Question 12 The average pays 27p a day in water rates
Question 13 Ultimately, you’ll have to make the decision yourself.
Trang 2Question 14 An enormous amount of money has been waste on this project.
Question 15 We’d better get to check the wiring before we start decorating
Question 16. take a train instead of the bus? It’s faster
Question 17 My shoes are dirty I ‘d better them off before I come in
Question 18 She didn’t stop working when she got married.
Question 19 Who will take care of your children when you are away?
Question 20 Go and turn the faucet before the bathtub overflows
Question 21 Mary’s eyes are weak; , she has to wear glasses
Question 23 If there is a mechanical problem, we suggest the manufacturer directly
Question 24 No battery could store to turn over the car’s engine
Question 25 Have you met Peter heard anything from him?
Question 26 Don’t forget to bring my dictionary when you back tomorrow
III READING
(ID : e666) Choose the best answer to each of the following question
Coal, oil, and natural gas supply modern civilization with most of its power However, not only are supplies of these fuels limited, but they are major resource of pollution Therefore, it’s important to improve, explore and develop such alternative energy sources nuclear, water, solar and wind power Each of these alternatives, however, has advantages and disadvantages
Nuclear power plants efficiently produce large amount of electricity without polluting the atmosphere; however, they are costly to build and maintain, and they create the difficult problem of what to do with nuclear waste Hydroelectric power is inexpensive and environmentally safe but impractical for communities located far from
Trang 3moving water Wind power is a free-pollution source of renewable energy but cannot be used in many parts of the world where there is insufficient wind Solar power is renewable, it does not cause pollution and it does not add the earth’s heat load However, it is difficult to collect and store Solar power also requires expensive equipment
Question 27.Coal, oil, and natural gas .
A are very great in amount B will never be use up
Question 28.Nuclear power plants
A are difficult to build B pollute the atmosphere
C are very cheap to maintain D create the problem of nuclear waste
A cannot be used in places that don’t have strong wind.
B is never completely used up
C is a source of pollution
D cannot replace itself
Question 30 What is the advantage of these alternatives?
A they are environmentally friendly energy source.
B They are non-renewable forms of energy.
C They are all very practical.
D They are inexpensive to exploit.
(ID : e667) Choose the best answer to complete each blank
Energy is very (31) in modern life People use energy to run machines, heat and cool our houses, cook, give light, transport people and products (32) place to place Most energy nowadays comes from fossil fuels-petroleum, coal, and natural gas (33) , burning fossil fuels causes pollution Also, (34) we don’t find new kinds of energy, we will use up all the fossil fuels in the twenty-first century Scientists (35) to find other kinds of energy in the future What might these sources of energy be?
Question 31 A easy B difficult C different D important
Question 33 A However B Therefore C Because D So
Question 35 A work B working C worked D are working
(ID : e668) IV REWRITING SENTENCES
Write the second sentences with the same meaning to the first ones using words given
Trang 4Question 36 Only if you study hard, you will pass the test.
Unless
Question 37 You are too young to give up working.
You are not
Question 38 The teacher is going to explain the lesson.
The lesson
Question 39 Melisa doesn’t play the piano as well as Anne.
Anne plays
Question 40 She looks like her mother very much.
She takes
THE END