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
For many people, electricity is a vital part of everyday life and is often taken for granted. But not everyone has【B1】______ to
For many people, electricity is a vital part of everyday life and is often taken for granted. But not everyone has【B1】______ to
admin
2010-11-02
42
问题
For many people, electricity is a vital part of everyday life and is often taken for granted. But not everyone has【B1】______ to it. Improving the supply and availability of electricity across the world has【B2】______ scientists for decades. Now, however, technological advances mean that a cheap, safe【B3】______ of electricity may soon be available virtually anywhere on the planet.
The idea is to harness the sun’s energy by using satellites. Of course, solar-powered satellites are not a new idea. But it is only【B4】______ recently that technology has advanced far enough to make the idea a【B5】______ possibility.
The basic idea is that the solar-powered satellites will【B6】______ the energy in sunlight into electricity. The energy will be【B7】______ to earth in the form of microwaves, which will be collected by a【B8】______ known as a microwave collector. A re-conversion plant【B9】______ . The type of solar-powered satellites is able to produce electricity extremely efficiently, with less absorption and scattering of radiation. Each solar panel used for harnessing solar energy will be only 200 metres long, and also very light in weight.【B10】______ .
Scientists are anxious to reassure people about the safety of microwaves.【B11】______ . However, if the microwaves operate at the correct frequencies, scientists assure us that people and the environment should both be safe.
【B3】
选项
答案
source
解析
此处需要一个名词作从句的主语,且由前面的不定冠词a可知该名词为单数。
转载请注明原文地址:https://kaotiyun.com/show/HWs7777K
0
大学英语六级
相关试题推荐
TheEnvironmentalProtectionAgencyhassetlimitsfortheradiationpermittedtoleakfromaproposednuclearwasteburialcent
TheEnvironmentalProtectionAgencyhassetlimitsfortheradiationpermittedtoleakfromaproposednuclearwasteburialcent
Indealingwithstudentsatthehighschoollevel—thatis,thesecond,thirdandfouryearofhighschool—wemustbearinmindt
A、Settime-limitswiththem.B、Nevermakeappointmentswiththem.C、Tellthemtovalueotherpeople’stime.D、Tellthemyouwon’
CrossCulturalConflictResolutioninTeamsTeammembersworkinincreasinglydiverseenvironments:intermsofage,gender,
A、Businesssuccesstakesahighlevelofactivity.B、Topmanagersaregenerallygiftedatjudgingpeople.C、Businesssuccesstak
Lessthanayearago,anewgenerationofdietpillsseemedtoofferthelongsoughtanswertoourchronicweightproblems.Hund
Lazinessisasin,everyoneknowsthat.Wehaveprobablyallhadlecturespointingoutthatlazinessis【B1】______,thatitisw
Drunkendriving—sometimescalledAmerica’ssociallyacceptedformofmurder—hasbecomeanationalepidemic.Everyhourofevery
Whileshewasatcollege,she__________(让自己尽可能多地参与各项课外活动).
随机试题
双足外侧第五跖趾关节处是()反射区。
磷酸戊糖途径的重要生理功能是生成
A、垂体性侏儒症B、特发性垂体功能不全C、继发性垂体功能不全D、原发性垂体性侏儒E、多发性垂体激素缺乏儿童时仅表现单纯性生长激素缺乏,到青春期有促甲状腺激素,促性腺激素缺乏()
深吸气加重屏气减轻胸痛病变在
当声波波长比声源尺寸()或是预测点离开声源的距离比声源本身尺寸()时,声源可当做点声源处理。
动圈指示调节仪、闪光信号报警器、电子液晶记录仪等都属于( )仪表。
按照行走方式不同,铲运机可分为()。
2009年,我国973计划(含重大科学研究计划)新立和在研项目共547项,其中新立项目123项,在研项目424项。国家财政共投入26亿元。平均每个项目投入经费高于所有项目平均水平的领域有多少个?()
现代教学的基本组织形式是()。
Extinctionisdifficultconcepttograsp.Itisan【B1】______concept.It’snotatalllikethekillingofindividuallifeformsth
最新回复
(
0
)