首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Recently scientists have been【C1】______and perfecting other sources of energy: nuclear or atomic power, solar(sun)power, and syn
Recently scientists have been【C1】______and perfecting other sources of energy: nuclear or atomic power, solar(sun)power, and syn
admin
2018-10-19
51
问题
Recently scientists have been【C1】______and perfecting other sources of energy: nuclear or atomic power, solar(sun)power, and synthetic(manmade)fuels. Nuclear power can offer some【C2】______, but fear of contamination【C3】______its use. The Three Mile Island【C4】______in Pennsylvania in 1979, when atomic waste material escaped【C5】______atmosphere, limited power plant construction【C6】______.【C7】______, scientists are doing research to discover other sources of fuel.【C8】______, some scientists have added alcohol to gasoline to conserve fuel.【C9】______, this research is still in the developmental【C10】______.
The sun, from which nearly all energy【C11】______, is another solution【C12】______the energy crisis. Solar power is growing rapidly in popularity. All other fuels will【C13】______out after a period of years; the sun’s power is limitless.【C14】______burning any fuel—oil, coal, or wood—causes pollution, solar energy does not.【C15】______, no nation on earth has a corner【C16】______the solar market;【C17】______, no country has control【C18】______the sun. Although solar energy is increasing in popularity, it is still impractical and very expensive, and【C19】______not widely used.
One immediate and viable(practical)solution, to the problem is conservation. We now have federal regulations【C20】______the winter temperature in public buildings to 65 degrees."
【C5】
选项
A、toward
B、into
C、in
D、onto
答案
B
解析
“逃到大气中”应用escape into。
转载请注明原文地址:https://kaotiyun.com/show/yJUO777K
0
考博英语
相关试题推荐
WhataccountsforthegreatoutburstofmajorinventionsinearlyAmerica-breakthroughssuchasthetelegraph,thesteamboatand
Shopperswhohaveflockedtoonlinestoresfortheirholidayshoppingarelosingprivacywitheverymouseclick,accordingtoa
Telecommuting—substitutingthecomputerforthetriptothejob—hasbeenhailedasasolutiontoallkindsofproblemsrelatedt
Americansnolongerexpectpublicfigures,whetherinspeechorinwriting,tocommandtheEnglishlanguagewithskillandgift.
Theanimaldissectionrequirementofbiologyclasseshasbeengettingundertheskinofstudentsforgenerations,andtherehave
______whathasbeensaid,itisunlikethatpopulationgrowthwillbehalted,eitherinthedevelopedorintheundevelopedworl
Anycountryhasgoodreasontowantitscitizenstobeashealthyaspossible,sinceoneofitsgreatestresourcesisanactive
Therelationshipbetweenformaleducationandeconomicgrowthinpoorcountriesiswidelymisunderstoodbyeconomistsandpoliti
Salesmendependupontheperson-to-personapproachintryingtopersuadeconsumerstobuy.Advertising,however,hastodependu
Itisnotlongsinceconditionsinthemineswereworsethantheyarenow.Therearestill【C1】______afeweveryoldwomenwhoin
随机试题
湿邪、寒邪的共同致病特征是
刀齿齿背是()的铣刀称为铲齿铣刀。
A、Theyprobablyflyaboutfreely.B、Theymostlikelyflytoothermoths.C、Theymostlikelylookforshelter.D、Theyprobablytu
开始保护会阴的时机应在
根管扩大的标准是
某投资项目,预计产品的出厂价为(含税)3万元/t,销售量为4000t。外购原料、燃料等费用为2800万元(含税),若预计产品全部售出,增值税税率为17%,则所需缴纳增值税额为()万元。
在含有0.10mol.L一1NH3.H2O和0.10mol.L一1NH4Cl的溶液中Kb(NH3.H2O)=1.8×10一5,CH+为()mol.L一1。
企业某新产品开发成功的概率为80%,成功后的投资报酬率为40%,开发失败的概率为20%,失败后的投资报酬率为一100%,则该产品开发方案的预期投资报酬率为()。
你是如何认识我国教育目的的基本特征的?该如何去落实教育目的?
A、Placesthemanhasvisited.B、Apaperthewomaniswritingforaclass.C、Schoolactivitiestheyenjoy.D、Thewoman’splansfo
最新回复
(
0
)