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【1】and perfecting other sources of energy: nuclear or atomic power, solar (sun) power, and syntheti
Recently scientists have been【1】and perfecting other sources of energy: nuclear or atomic power, solar (sun) power, and syntheti
admin
2012-02-18
40
问题
Recently scientists have been【1】and perfecting other sources of energy: nuclear or atomic power, solar (sun) power, and synthetic (manmade) fuels. Nuclear power can offer some【2】, but fear of contamination【3】its use. The Three Mile Island【4】in Pennsylvania in 1979, when atomic waste material escaped【5】atmosphere, limited power plant construction【6】【7】, scientists are doing research to discover other sources of fuel.【8】, some scientists have added alcohol to gasoline to conserve fuel.【9】, this research is still in the developmental【10】
The sun, from which nearly all energy【11】, is another solution【12】the energy crisis. Solar power is growing rapidly in popularity. All other fuels will【13】out after a period of years; the sun’s power is limitless.【14】burning any fuel—oil, coal, or wood—causes pollution, solar energy does not.【15】, no nation on earth has a corner【16】the solar market;【17】, no country has control 【18】the sun. Although solar energy is increasing in popularity, it is still impractical and very expensive, and【19】not widely used.
One immediate and viable (practical) solution, to the problem is conservation. We now have federal regulations【20】the winter temperature in public buildings to 65 degrees.
选项
A、furthermore
B、ever since
C、therefore
D、then
答案
C
解析
前后为因果关系,所以用therefore。
转载请注明原文地址:https://kaotiyun.com/show/nonO777K
0
考博英语
相关试题推荐
ThereisonquestionbutthatNewtonwasahighlycompetentMinisterofMint.Itwasmainlythroughhisefforts【1】theEnglishcu
Wheneverworkisbeingdone,energy______fromoneformintoanother.
Thestatesmanwasevidently______thejournalist’squestionsandglaredathimforafewseconds.
Ⅱ.Direction:ReadthefollowingpassagecarefullyandthenexplaininyourownEnglishtheexactmeaningofthenumberedandun
Conservativescientistswhodenythatcosmicgulfscaneverbecrossedwill______.
Itwouldthenbereplacedbyaninterimgovernment,whichwould______bereplacedbyapermanentgovernmentafterfourmonths.
Theteacherofreadingisinvolved,whetherthisisconsciouslyrealizedornot,inthedevelopmentofaliteratesociety.Ande
Culturalconflicts,suchasthosethattroubleAmericansocietytoday,maysometimesappeartobelessthanserioussquabblesbe
Aftersomanynightsof______,Mrs.Constabledecidedthatshereallymustseeadoctor.Shecouldnotcontinuetolieawake,n
Johnoftensitsinasmallbar.drinkingandsmokingconsiderablymore______.
随机试题
则f(x)=__________.
A.杵状指B.指骨囊性变C.黄甲综合征D.肥大性肺性骨关节病E.短指畸形下列疾病可能出现哪种骨及骨关节病变男性。25岁。自幼反复咳嗽、脓痰,间或有咯血。查体:双下肺固定性湿性啰音,伴散在干鸣音
易燃物品露天仓库四周内应有不小于()米的平坦空地作为消防通道。
根据相关规定,证券营业部信息技术人员不得少于三名。( )
Excel标准工具栏常用函数功能图标有()。
按照这个速度发展,2012年我国发电量应比2010年增加()亿千瓦时。
设f(x)在[A,B]上连续,A<a<b<B,求证:
Singapore(新加坡)isthenameofanislandonthesouthofMalaya.Itisalsothenameofthecityonthesouthsideofthisisland.
•Youwillhearthreetelephoneconversationsormessages.•Writeoneortwowordsoranumberinthenumberedspacesonthe
Tomydisappointment,themanager’splanof________________(新产品促销计划根本行不通).
最新回复
(
0
)