首页
登录
职称英语
Contrary to popular belief, "falling stars" are not stars at all, but are m
Contrary to popular belief, "falling stars" are not stars at all, but are m
游客
2023-11-20
59
管理
问题
Contrary to popular belief, "falling stars" are not stars at all, but are meteors, solid bodies that travel through space.
Meteors,【C1】______ in size from that of a pinhead, to many tons, are 【C2】______ to the naked eye at night, when the friction between the 【C3】______ of the meteors and of the air, produces heat【C4】______ the meteors enter the earth’s atmosphere. The intense heat 【C5】______ the meteors, which leave a blazing trail of light in their 【C6】______ .
Most meteors 【C7】______ when they enter the earth’s atmosphere, 【C8】______ the large meteors, which are dragged through the earth’s atmosphere by theearth’s【C9】______ pull. After successful landings up on the earth, these huge【C10】 ______ Some scientists are renamed meteorites. theorize【C11】______ thousands of meteors fall to the earth during the daytime and the nighttime, but this theory is impossible to prove 【C12】______ to disprove, as most would necessarily land in water,【C13】______ covers most of the earth’s surface.【C14】______ , meteors and meteor particles, except the loners, travel together in 【C15】______ like bees, and travel 【C16】______ any direction they 【C17】______ Nature’s spec-tacular fireworks show, a "meteor view shower," comes into 【C18】______ the meteors encounter the upper layer of the earth’s atmosphere during the earth’s perpetual revolution 【C19】______ the sun. The friction produced when the meteors and the meteor particles【C20】______ the atmospheric air incinerates the swarms, and they fall towards the earth in a brilliant display of light. [br] 【C18】
选项
A、before
B、when
C、after
D、unless
答案
B
解析
转载请注明原文地址:http://tihaiku.com/zcyy/3204358.html
相关试题推荐
Beeristhemostpopulardrinkamongmaledrinkers,______overallconsumptioni
OfHomer’stwoepicpoems,theOdysseyhasalwaysbeenmorepopularthanth
OfHomer’stwoepicpoems,theOdysseyhasalwaysbeenmorepopularthanth
CharlesIves’smusicwashardlypopularwiththebroadpublicatthetimeitwas
Thepopularityofthefilmshowsthatthereviewers’fearswerecompletely_____
Accordingtothespeaker,whatwerethebeliefsoftheGreekphilosophersbased
Oneofmedicine’sfundamentalbeliefsaboutpregnancyandthedevelopmento
Oneofmedicine’sfundamentalbeliefsaboutpregnancyandthedevelopmento
Innosmallmeasure,theepidemicofparanormalbeliefs--beliefsbeyondth
Innosmallmeasure,theepidemicofparanormalbeliefs--beliefsbeyondth
随机试题
ThetransformationofjournalisminIndia—theworld’slargestdemocracyand
Hisremarkswere______annoyeverybodyatthemeeting.A、soastoB、suchastoC
NowWe’reTalking:HowVoiceTechnologyIsTransformingComputing[A]L
Kissing,strokingandwildembracesarecommonenough,andnowthequiet,ro
Whenwethinkofgreenbuildings,wetendtothinkofnewones—thekindofhi
无腹筋钢筋混凝土梁沿斜截面的抗剪承载力与剪跨比的关系是: A.随剪跨比的增加而
全科医学的"可及性服务"表明A.其服务时间应为每天24小时 B.其地点以其他医
某写字楼,地上10层,地下1层,建筑高度40m,地上和地下每层建筑面积
《罗密欧与朱丽叶》是莎士比亚的四大悲剧之一。()
为防止债务人的财产被隐匿、转移或者毁损灭失,保障日后执行顺利进行,银行可以依法采
最新回复
(
0
)