Eachyearthereisanincreasingnumberofcarsonroadsasmillion...
问题详情:
Each year there is an increasing number of cars on roads as millions of new cars and trucks are produced. Many Americans work at putting together parts of cars, driving trucks, or filling cars and trucks with gas. __11__
Most Americans would find it hard to imagine what life would look like without cars. __12__ The polluted air becomes poisonous and dangerous to health. __13__ That's what car factories have been trying to do. But to build a clean car is easier said than done. Progress in this field has been slow.
Another way is to take the place of the car engine by something else. __14__ Many makers believe that it will take years to develop a practical model that pleases man.
To prevent the world from being polluted by cars, we'll have to make some changes in the way we live, for example, people are encouraged to travel and go to work by bicycle. Bicycling is thought to help the air clean. But this change does not come easily. A large number of workers may lose their jobs if a car factory closes down. __15__
Although cars have brought us new problems, they also have led us to a better life.
A. Thus air pollution would become less important than unemployment.
B. Americans know cars very well.
C. However, some have realized the serious problems of the air pollution caused by cars.
D. One way to get rid of the polluted air is to build a car that does not pollute.
E. However, the number of vehicles has continued to increase in recent years.
F. Americans won't live without cars!
G. Inventors are now working on steam cars as well as electric cars.
【回答】
FCDGA
知识点:七选五题型
题型:阅读理解
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下列加点词注音全对的一项是( )A.浣女(huàn) 谄媚(xiàn) 邂逅(xiè)B.惘然(wǎn...
问题详情:下列加点词注音全对的一项是( )A.浣女(huàn) 谄媚(xiàn) 邂逅(xiè)B.惘然(wǎnɡ) 纶巾(ɡuān) 铜钿(tián)C.湓浦(pǔ) 贾人(ɡǔ) 嘲哳(zāo)D.迸发(bènɡ) 谪居(zhé) 锦瑟(sì)【回答】【*】B【解析】试题分析:A.Chǎn,C.zhāo,D.s...
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对于锌一铜一稀硫*组成的原电池装置中,当导线中有1mol电子通过时,理论上的两极变化是( )。 ①锌片...
问题详情:对于锌一铜一稀硫*组成的原电池装置中,当导线中有1mol电子通过时,理论上的两极变化是( )。 ①锌片溶解了32.5g②锌片增重32.5g③铜片上析出lgH2 ④铜片上析出1molH2 A.①和③ B.①和④ C.②和③ D.②和④【回答】A知识...
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已知铁的一种氧化物,其中含氧元素的质量分数为30%,则这种铁的氧化物的化学式为 ( ) A.FeO ...
问题详情:已知铁的一种氧化物,其中含氧元素的质量分数为30%,则这种铁的氧化物的化学式为()A.FeO B.Fe2O3C.Fe3O4 D.无法判断【回答】B知识点:金属的化学*质题型:选择题...
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某有机物结构简式为,下列关于该有机物的说法中不正确的是( )A.遇FeCl3溶液显紫*B.与足量的*氧化*溶...
问题详情:某有机物结构简式为,下列关于该有机物的说法中不正确的是()A.遇FeCl3溶液显紫*B.与足量的*氧化*溶液在一定条件下反应,最多消耗NaOH3molC.能发生缩聚反应和加聚反应D.1mol该有机物与溴发生加成反应,最多消耗1molBr2【回答】解析A项,有机物分子中存在*羟基,所以...
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