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
The modern age is an age of electricity. People are so used to electric lights, radios, televisions, and telephones that it is h
The modern age is an age of electricity. People are so used to electric lights, radios, televisions, and telephones that it is h
admin
2010-02-20
50
问题
The modern age is an age of electricity. People are so used to electric lights, radios, televisions, and telephones that it is hard to【B1】______what life would be like without them. When there is a power failure, people【B2】______about in faint candlelight, cars【B3】______in the streets because there are no traffic lights to guide them, and food【B4】______. in silent in refrigerators.
Yet people began to understand how electricity works only a little more than two centuries ago. Nature has【B5】______been experimenting in this field for millions of years. Scientists are discovering more and more that the living world may hold many interesting【B6】______of electricity that could benefit【B7】______
All living【B8】______send out tiny pulses of electricity.【B9】______The brain, too, sends out brain waves of electricity, which can be recorded in an electric device.【B10】______—often so small that sensitive instruments are needed to record them. But for some animals, certain muscled cells have become so specialized as electrical generators that they do not work as muscle cells at all.【B11】______.
【B10】
选项
答案
The electric currents generated by most living cells are extremely small
解析
转载请注明原文地址:https://kaotiyun.com/show/M0t7777K
0
大学英语四级
相关试题推荐
Whatdoesthepassagemainlydiscuss?RatherthanthenewregulationofEuropeanUnion,Lufthansaprefersto______asamoree
A、Threeweeks.B、Onemonth.C、Threemonths.D、Overayear.CHowlongwillthewomanbeinEurope?
Whatisthepassagemainlyabout?Theauthormostlikelyagreesthat______.
Whenwetellothersinformation,wealsoexpressourfeelingsatthesametime.Aproductwillselldifferentlyifitisnamed
A、Theyneedverylittleenergy.B、They’refoundatalldepthsoftheocean.C、Theylivewherethereisnosunlight.D、They’resi
What’sthemaintopicofthepassage?MeeraShekarbelievedthatpoorcountriesshouldhelpmalnourishedchildrenby______.
A、Localcommunity.B、Advertisementagent.C、Labormarket.D、Administrativeoffice.CAccordingtothepassage,wheredidpeoplei
A、Hehasn’tbeenabletofindaninexpensivepianoyet.B、He’slookingforaplacetostorethepiano.C、Hedecidednottosell
Weshould__________(培养...的习惯)workingwithourownhandsfromourchildhood.
A、Heshouldlookatthedesk.B、Heshouldgotothedoctor.C、Heshouldrelaxalittlehit.D、Heshouldhavefoundsomeonefor
随机试题
在国际企业的管理组织形式中,全球性产品部结构适应的情况有()
左右室壁在心肌厚度上有什么区别()
以下不能作为注射剂用非水溶剂的是
具有调节全身诸阴经经气的作用的经脉是具有调节全身阳经经气的作用的经脉是
检查施工单位对大型机械作业是否执行()防护,列车接近时必须停止作业,顺线路熄火停放。
2012年4月,某市财政局派出检查组对某企业2011年度的会计工作进行检查,发现存在以下情况:(1)2011年2月,该企业财务经理安排其儿媳(持有会计从业资格证书)在财务处任出纳,并负责保管会计档案。(2)发现一张已开具的支票“金额”栏
某市去年年底人口总量为120万人,其中就业人口为95万人,非劳动力人口为20万人。今年,该市正在按照人力资源和社会保障部门的要求开展城乡劳动力调查。在调查中发现,该市目前的人口总量和结构基本稳定,但非劳动力人口实现就业以及失业者退出劳动力市场的流量却明显增
—Doyouknow________thegirlinblueis?—________I’mnotsure.Maybeateacher.
A.Theydrinkcoffeeandchat.B.thereisalwaysaspecialroomforpeopleboilingcoffee.C.manyofthemtakecoffeebackto
Withregardtoitssize,Australiais______countryintheworld.
最新回复
(
0
)