By using less energy, you can reduce pollution that causes global （全球的） warming, An energy-saving light bulb （燈泡） uses less energy to produce the same amount of light as a regular bulb, Use the chart to compare a regular bulb with an energy-saving bulb．

    Regular Light Bulb

Energy-Saving Light Bulb

 Name

 Incandescent light bulb

Compact fluorescent light bulb（CFL），energy saver

 Price

 50 cents

$5

 Cost of energy

Used in one year （4 hours a day）：$9.3

 Used in one year（4 hours a day）：$2.5

 Energy used

75 watts（Most of this

energy is wasted as heat．）

 20 watts

 Lifetime

 1.000 hours

 10,000 hours

（   ） 1．How much more energy does the regular bulb use than the CFL bulb if they are used for a year （four hours every day）?

A．75 watts.          B．55 watts.          C．20 watts.                D．50 watts.

（   ） 2．How many regular bulbs does a CFL bulb equal （等同于） in lifetime?

A．1               B．5.                C．10.               D．20.

（   ） 3．I bought a regular bulb and Tom bought a CFL bulb．If we both used the bulb for four hours a day, how much money would Tom save in all after a year?

A．$ 2.3.             B．$ 90.5.            C．$ 6.8.             D．$ 95.5.

（   ） 4．Why do regular light bulbs use so much energy?

      A．They make more light than CFL bulbs.

      B．They can be used for a longer time than CFL bulbs.

C．They waste most of their energy as heat.

D．It's because of their shapes.

（   ） 5．What does the writer try to tell us according to the passage?

A．Using more energy can produce less pollution.

      B．Energy-saving light bulbs are cheaper than regular ones in shops.

      C．It is a good idea to use energy-saving CFL bulbs instead of regular ones.

D．An energy-saving light bulb is easier to get broken.

練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：初中英語 來源： 題型：

先通讀下面的短文，掌握其大意，然后根據(jù)短文內(nèi)容和所給首字母，在空格內(nèi)填入一個(gè)適當(dāng)?shù)脑~，使短文意思完整。所填單詞在題后橫線上必須完整寫出。
Earth Hour started in Sydney o(1) March 31, 2007. M  (2)  than two million homes and Businesses turned off their lights for an hour. A year 1 (3)    , in 2008, Earth Hour became the world's activity and was supported by _m( 4 )_ of people from thirty-five countries. In 2009, over two thousand cities in the world took part in it, and Earth Hour came to China.  The purpose of the activity is to save energy and improve climate. Earth Hour has _b_(5)____ some new changes  to our lives.
We may have different ways to spend the hour. For e(6)_______, we can go to school on foot or b (7)    bike, plant more trees, use water more than once, never _l(8)____ the lights on  when we are not at home. Try to make full use of paper by using b (9)  sides. Earth Hour is a call for us to work together for a bright f (10)   . It is also a message of hope and action.  Everyone can make a difference.  The improvement （改善）of our environment n (11)  everyone's efforts（努力）. Come on! _J(12)_____ us in Earth Hour 2010!

查看答案和解析>>

科目：初中英語 來源： 題型：

第二節(jié) 補(bǔ)全對(duì)話（共5小題；每小題2分，滿分10分）?
根據(jù)語境，用恰當(dāng)?shù)恼Z言完成對(duì)話。?
( Han Mei is our monitor. She’s talking to Li Ming.) ?
Han Mei =" H  " Li Ming = L?
L: Hi, Han Mei, you look unhappy. 87.                    ??
H: I am going to the hospital. Our English teacher Mrs. Gao is ill and now in hospital.?
L: 88.           . What’s the matter??
H: She has a terrible stomachache.?
L: 89.               ??
H:  Three days ago. She is always around us before exams. She is too busy to see the doctor. We’d better go and see her tomorrow. 90.               ?
L: What about fruits and flowers? You know, some presents are never too small. She treats us all as her own children.
H: I agree with you. 91.                ??
L: Outside the hospital gate at 8∶ 30 a.m.?
H: 8∶ 30? It’s too early. Let’s make it 10∶ 00 a.m. Some classmates live far from the hospital.
L: OK. By the way, remember to tell the others about it by using QQ.?
H: Yes, I will.?

查看答案和解析>>

科目：初中英語 來源：2011-2012學(xué)年江蘇省無錫市羊尖中學(xué)初二下學(xué)期期中英語試卷（帶解析） 題型：單詞拼寫

先通讀下面的短文，掌握其大意，然后根據(jù)短文內(nèi)容和所給首字母，在空格內(nèi)填入一個(gè)適當(dāng)?shù)脑~，使短文意思完整。所填單詞在題后橫線上必須完整寫出。
Earth Hour started in Sydney o(1) March 31, 2007. M  (2)  than two million homes and Businesses turned off their lights for an hour. A year 1 (3)    , in 2008, Earth Hour became the world’s activity and was supported by _m( 4 )_ of people from thirty-five countries. In 2009, over two thousand cities in the world took part in it, and Earth Hour came to China.  The purpose of the activity is to save energy and improve climate. Earth Hour has _b_(5)____ some new changes  to our lives.
We may have different ways to spend the hour. For e(6)_______, we can go to school on foot or b (7)    bike, plant more trees, use water more than once, never _l(8)____ the lights on  when we are not at home. Try to make full use of paper by using b (9)  sides. Earth Hour is a call for us to work together for a bright f (10)   . It is also a message of hope and action.  Everyone can make a difference.  The improvement （改善）of our environment n (11)  everyone’s efforts（努力）. Come on! _J(12)_____ us in Earth Hour 2010!

查看答案和解析>>

科目：初中英語 來源：2011年黑龍江省雞西市中考英語試卷 題型：補(bǔ)充句子

第二節(jié) 補(bǔ)全對(duì)話（共5小題；每小題2分，滿分10分）?
根據(jù)語境，用恰當(dāng)?shù)恼Z言完成對(duì)話。?
( Han Mei is our monitor. She’s talking to Li Ming.) ?
Han Mei =" H  " Li Ming = L?
L: Hi, Han Mei, you look unhappy. 87.                    ??
H: I am going to the hospital. Our English teacher Mrs. Gao is ill and now in hospital.?
L: 88.           . What’s the matter??
H: She has a terrible stomachache.?
L: 89.               ??
H:  Three days ago. She is always around us before exams. She is too busy to see the doctor. We’d better go and see her tomorrow. 90.               ?
L: What about fruits and flowers? You know, some presents are never too small. She treats us all as her own children.
H: I agree with you. 91.                ??
L: Outside the hospital gate at 8∶ 30 a.m.?
H: 8∶ 30? It’s too early. Let’s make it 10∶ 00 a.m. Some classmates live far from the hospital.
L: OK. By the way, remember to tell the others about it by using QQ.?
H: Yes, I will.?

查看答案和解析>>

科目：初中英語 來源：2011年黑龍江省雞西市中考英語試卷 題型：補(bǔ)充句子

第二節(jié) 補(bǔ)全對(duì)話（共5小題；每小題2分，滿分10分）?

根據(jù)語境，用恰當(dāng)?shù)恼Z言完成對(duì)話。?

( Han Mei is our monitor. She’s talking to Li Ming.) ?

Han Mei =" H  " Li Ming = L?

L: Hi, Han Mei, you look unhappy. 87.                    ??

H: I am going to the hospital. Our English teacher Mrs. Gao is ill and now in hospital.?

L: 88.           . What’s the matter??

H: She has a terrible stomachache.?

L: 89.               ??

H:  Three days ago. She is always around us before exams. She is too busy to see the doctor. We’d better go and see her tomorrow. 90.               ?

L: What about fruits and flowers? You know, some presents are never too small. She treats us all as her own children.

H: I agree with you. 91.                ??

L: Outside the hospital gate at 8∶ 30 a.m.?

H: 8∶ 30? It’s too early. Let’s make it 10∶ 00 a.m. Some classmates live far from the hospital.

L: OK. By the way, remember to tell the others about it by using QQ.?

H: Yes, I will.?

 

查看答案和解析>>

同步練習(xí)冊(cè)答案