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 rocket engine, with its steady roar like that of a waterfall or a thunderstorm, is an impressive symbol of the new space age
The rocket engine, with its steady roar like that of a waterfall or a thunderstorm, is an impressive symbol of the new space age
admin
2011-02-28
57
问题
The rocket engine, with its steady roar like that of a waterfall or a thunderstorm, is an impressive symbol of the new space age. Rocket engines have【C1】______powerful enough to shoot astronauts【C2】______the earth’s gravitational pull and【C3】______them on the moon. We have now become【C4】______in space. Impressive and complex【C5】______it may appear, the rocket, which was【C6】______in China over 800 years【C7】______, is a relatively simple device. Fuel that is【C8】______in the rocket engine changes【C9】______gas. The hot and rapidly【C10】______gas must escape, but it can do so only【C11】______an opening that【C12】______backward. As the gas is【C13】______with great force, it【C14】______the rocket in the【C15】______direction. Like the kick of a gun【C16】______it is fired, it【C17】______the laws of nature【C18】______by Sir Isaac Newton when he discovered that"【C19】______every action, there is【C20】______equal and opposite reaction."
【C7】
选项
A、in advance
B、before
C、earlier
D、ago
答案
D
解析
过去式。
转载请注明原文地址:https://kaotiyun.com/show/rltd777K
本试题收录于:
公共英语三级笔试题库公共英语(PETS)分类
0
公共英语三级笔试
公共英语(PETS)
相关试题推荐
Thebigidentity-theftbustlastweekwasjustatasteofwhat’stocome.Here’showtoprotectyourgoodname.HERE’STHES
Whatarethezebrastripesonthetomatosoupcansandpotatochipbags?Theyarespecialblackandwhiteverticallines.These
Thesocialsciencesareflourishing.Asof2005,therewerealmosthalfamillionprofessionalsocialscientistsfromallfields
Amongtheraftofbooks,articles,jokes,romanticcomedies,self-helpguidesandotherwritingsdiscussingmarriage,somefamil
Howdoesthespeakersaythedirectquotationshouldbeused?
JeniseRobin
JeniseHoke
Theaimoftheteacheristogethispupilsasquicklyaspossibleovertheperiodinwhicheachprintedsymbolislookedatfor
PriscillaOuchida’s"energy-efficient"houseturnedouttobeahorribledream.Whensheandherengineerhusbandmarriedafew
PriscillaOuchida’s"energy-efficient"houseturnedouttobeahorribledream.Whensheandherengineerhusbandmarriedafew
随机试题
分娩后催乳素能引起
关于梗死的描述,不正确的是
某宗房地产土地面积300m2,建筑面积250m2,建筑物的外观及设备均已陈旧过时,有待拆除重建,估价拆迁费用每平方米建筑面积300元,残值每平方米建筑面积50元,则该宗房地产相对于空地的减价额为()元。
l工资管理系统中,不属于变动的工资项目的是()。
下列各项中,()可免予纳税。
甲公司为一家上市公司,2013年对外投资的有关资料如下:(1)1月1日,甲公司从二级市场购入A公司公开发行的债券10000张,每张面值100元,票面利率为3%,每年1月1日支付上年度利息。购入时每张支付款项97元,另支付相关费用2200元,划分为可供出售
下列有关价值链的说法中,错误的是()。
根据企业所得税法规定,下列保险费可以税前扣除的有()。
①某官方网站开展的“你最关心哪些改革关键词”的网络调查显示,收入分配改革、行政体制改革、民生保障制度改革、医疗卫生改革、户籍制度改革位居前列②“生活的理想,是为了理想的生活”③一言以蔽之,民众期盼有更好的教育、更稳定的工作、更满意的收入、更可靠的社会保
Completethenotesbelow.WriteNOMORETHANTWOWORDSAND/ORANUMBERforeachanswer.AnOverviewofTheResearchonAmberAmb
最新回复
(
0
)