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
Contrary to popular belief, "falling stars" are not stars at all, but are meteors, solid bodies that travel through space.
Contrary to popular belief, "falling stars" are not stars at all, but are meteors, solid bodies that travel through space.
admin
2010-02-17
60
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.
【C9】
选项
A、proportion
B、equilibrant
C、gravitational
D、mechanical
答案
C
解析
转载请注明原文地址:https://kaotiyun.com/show/Rs9K777K
0
专业英语四级
相关试题推荐
Allpeoplehavesomeabilitytomanagetheirhealthandthehealthofthosetheycarefor.Meanwhile,withtheincreasingcomple
Thequestionofwhetherlanguagesshapethewaywethinkgobackcenturies;Charlemagneproclaimedthat"tohaveasecond【S1】
Morethanfortythousandreaderstolduswhattheylookedforinclosefriendships,whatthe 【C1】______friends,whattheywere
Morethanfortythousandreaderstolduswhattheylookedforinclosefriendships,whatthe 【C1】______friends,whattheywere
Pleasedonotbe______byhisbadmannerssinceheismerelytryingtoattractattention.
ItiscommonlybelievedintheUnitedStatesthatschooliswherepeoplegotogetaneducation.Nevertheless,ithasbeensaid
NotonlyyoubutalsoI______mistakenonthispoint.
Idon’tremembersayinganythinglikethat.Youarepurposely______mywordstoproveyourpoint.
EnglandandFranceareseparatedby22milesofopenoceanattheirclosestpoint.AttemptstoswimtheEnglishChannelhavebee
Allparentspushtheirkidsatleastalittle.Wepressureourkidstobepolite,learntoeat【C1】______andbeobedient.So,pre
随机试题
既能燥湿健脾,又能行气,降逆止呕的药是
所有的泉水都适宜用来泡茶
Manypeoplehavetheexperiencethatgettingupinthemorningissodifficultand【B1】______Thismightbecalledlaziness.ButD
囊尾蚴是哪种绦虫的幼虫时期
一恒定出流薄壁小孔口,直径为d=2cm,作用水头H0=4m,则其出流量Q为()m3/s。
体育课程资源的开发包括哪几个方面?
(1+3x)n(其中n∈N且n≥6)的展开式中x5与x6的系数相等,则n=().
Doctorsarehavingahardgoofthings.Squeezedbyfallingrefund,soaringmalpracticeinsuranceandpunishingpatientloads,t
考生文件夹下存在一个数据库文件“samp3.accdb”,里面已经设计好窗体对象“fSys”。请在此基础上按照以下要求补充“fSys”窗体的设计:将窗体标题栏显示文本设置为“系统登录”。
BritishCuisine:theBestofOldandNewBritishcuisine(烹饪)hascomeofageinrecentyearsaschefs(厨师)combinethebest
最新回复
(
0
)