题目内容
16.Electric cars are dirty.In fact,not only are they dirty,but they might even be more dirty than their gasoline-powered cousins.People in California love to talk about"zero-emissions (排放) vehicles",but people in California seem tobe clueless about where electricity comes from.Power plants(工厂) mostly use fire to make it.Apart from the few people who have their roofs covered with solar cells,we get our electricity from generators (发电机).Generators are fueled by something-usually coal,oil,but also by heat generated in nuclear power plants.There are a few wind farms and geothermal (地热) plants as well,but by far we get electricity mainly by burning something.
In other words,those"zero-emissions"cars are likely coal-burning cars.Because the coal is burned somewhere else,it looks clean.It is not true.It's as if the California Greens are covering their eyes-"If I can't see it,it's not happening."Gasoline is an incredibly (极其) efficient way to power a vehicle; a gallon of gas has a lot of energy in it.But when you take that gas (or another fuel) and first use it to make electricity,you waste a nice part of that energy,mostly in the form of wasted heat--at the generator,through the transmission lines,etc.
A gallon of gas may drive your car 25miles.But the electricity you get from that gallon of gaswon't get you nearly as far-so electric cars burn more fuel than gasoline-powered ones.If our electricity came mostly from wind or geothermal,or solar,then an electric car truly would be clean.But for political,technical,and economic reasons,we don't use much of those energy sources.
In addition,electric cars'batteries which are poisonous for a long time will eventually end up in a landfill (垃圾填埋场).And finally,when cars are the polluters,the pollution is spread across all the roads.When it's a power plant,though,all the junk is in one place.Nature is very good at cleaning up when things are not too concentrated,but it takes a lot longer when all the garbage is in one spot.
32.Which of the following words can replace"be clueless about"in Paragraph 2?C
A.be familiar with
B.be curious about
C.fail to understand
D.show their interest in
33.The electricity we get from a gallon of gas may make our car runC.
A.at least 25miles
B.more than 25miles
C.less than 25miles
D.as far as 25miles
34.In the author's opinion,compared with cars using gas,electric cars are moreB.
A expensive.
B.harmful
C.efficient
D.environmentally-friendly
35.It can be inferred from the passage thatD.
A.electric cars'batteries are no longer poisonous in the landfill
B.now electric cars are used more than their gasoline-powered cousins
C.zero-emissions vehicles should be chosen to protect our environment
D.electric cars are not clean since we get electricity mainly by burning something.
分析 电动车真的没有污染吗?实际上并不是这样的,电动车比现在的汽车可能会导致更多的污染,因为它所使用的电,仍然是需要靠燃烧煤炭的资源来实现的.
解答 32---35 CCBD
32.C词义猜测题.根据文章第二段People in California love to talk about"zero-emissions(排放)vehicles",but people in California seem to be clueless about where electricity comes from.说明加利福尼亚的人喜欢谈论零排放的汽车,但是加利福尼亚的人似乎对电源的来源不清楚.该词应该指不清楚,不理解,故选C.
33.C细节理解题.根据第四段1,2行A gallon of gas may drive your car 25 miles.But the electricity you get from that gallon of gas won't get you nearly as far可知从1加仑汽油中得到的电最少可以让你的车行驶25英里,故选C.
34.B细节理解题.根据文章最后两段But the electricity you get from that gallon of gas won't get you nearly as far---so electric cars burn more fuel than gasoline-powered ones.以及electric cars'batteries which are poisonous for a long time,不仅仅是电动车的需要的能源更多,而且电动车的电池也会导致污染,故电动车是对环境是更有害的,故选B.
35.D推理判断题.根据文章第二段内容generators are fueled by something----usually coal,oil,but also by heat generated in nuclear power plants可知电动车所需要的电,是需要通过燃烧煤炭等自然资源的,所以电动车并不如人们所认为的那样清洁无污染,故选D.
点评 做阅读时经常犯错的主要原因是,仅凭读过文章后残留在脑海中的一丝印象来勾选答案,这样便很容易掉入出题人故意设布下的题目陷阱.所谓阅读理解,对于题目的理解一定要忠实于原文,因此,每一道题都应该与原文作全面的对比与核查,再得出答案.也就是说,阅读理解的每一道题目,在原文都应该有明确的出处,我们把这一出处叫做原文相关句,(1)排除与原文相关句主题不一致的选项(2)排除与原文相关句态度相反的选项 (3)排除用于过于极端或负面的选项(4)注意结合文章主旨和主题去排除.
A. | that | B. | when | C. | where | D. | which |
-________Don't worry about it.( )
A. | That's right | B. | Not at all | C. | You're welcome | D. | It's Ok |