首页
登录
职称英语
[originaltext] Are electric cars the wave of the future? Automobile manufact
[originaltext] Are electric cars the wave of the future? Automobile manufact
游客
2024-02-25
40
管理
问题
Are electric cars the wave of the future? Automobile manufactures are under pressure to develop cars that do not pollute. One powerful motive is a California law requiring that by the year 2000, 10% of new car sales in the state be so-called "zero emission vehicles". These cars must put no pollution, whatsoever, in the atmosphere.
California is a huge market for the automobile companies. So they are working hard to meet the standards. So far, the electric car seems to be the best alternative. So the big advantage of the electric cars is that they don’t pollute. However, there will be a competition with gas-powered cars and that’s where the weaknesses come out. The big problem is that the batteries that power electric cars weigh a lot relative to the amount of power they deliver. For instance, in one prototype electric car, the batteries weigh 400 kilograms and they provide enough energy to go 250 kilometers before recharging, which takes 8 hours. Compare that to a moderately fuel-efficient conventional car, it can go 600 to 700 kilometers on a tank of gas and refilling takes just minutes.
If there are other drains on the electric cars’ batteries besides the motor, headlights, air-conditioning or heater, its already limited range would be significantly reduced. So, automobile engineers are trying to make more powerful batteries that would increase the cars’ range and make them more attractive to buyers.
选项
A、It is not comfortable.
B、It is difficult to steer.
C、It cannot go long distance without recharging.
D、Its engine easily overheats.
答案
C
解析
转载请注明原文地址:http://tihaiku.com/zcyy/3481409.html
相关试题推荐
[originaltext]Therearetwofactorswhichdetermineanindividual’sintelli
[originaltext]Therearetwofactorswhichdetermineanindividual’sintelli
[originaltext]Therearetwofactorswhichdetermineanindividual’sintelli
[originaltext]Someyearsago,anAmericanpolicemanfoundawomanlyingnea
[originaltext]Someyearsago,anAmericanpolicemanfoundawomanlyingnea
[originaltext]M:WhatwouldyouwishforifIletyoumakeawish?W:I’dwish
[originaltext]M:WhatwouldyouwishforifIletyoumakeawish?W:I’dwish
[originaltext]M:Ihopeyou’llexcusemeformycomingtoclasslate.Mycarbr
[originaltext]M:Ihopeyou’llexcusemeformycomingtoclasslate.Mycarbr
[originaltext]M:Ihopeyou’llexcusemeformycomingtoclasslate.Mycarbr
随机试题
Greece,economically,isintheblack.Withverylittletoexportotherthan
[originaltext]Judy:Hi,Tom!Tom:Judy.Ihaven’tseenyouinweeks.Wherehave
Howdifferentwouldconditionsbetodayeconomicallyandpoliticallyifunem
采用普通砂浆砌筑填充墙时,烧结空心砖应提前1d~2d浇水湿润,其相对含水率宜控制
呈不规则肥厚团块,表面灰黄色或灰棕色,有不规则的瘤状突起和纵皱沟纹,顶端有残留茎
下列关于编写监理规划要求的说法中,正确的有()。 A、监理规划应由总监理工
根据我国有关法律法规,上市公司董事会成员中独立董事的比例不得小于()A:五分之一
在集合资产管理计划中,客户主要承担的义务有()。A:保证委托资产来源及用途的合法
A
某技术方案资金来源中,技术方案资本金5000万元,回收固定资产余值1800万元,
最新回复
(
0
)