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
There are some objects in the sky that move so quickly that sometimes you only see them out of the corner of your eye. These are
There are some objects in the sky that move so quickly that sometimes you only see them out of the corner of your eye. These are
admin
2018-08-10
33
问题
There are some objects in the sky that move so quickly that sometimes you only see them out of the corner of your eye. These are some of the huge number of bits of rock and dust that are floating around in space, called meteoroids. Normally, we cannot see them at all, but if they travel too close to the Earth, they get caught by the pull of the Earth, and begin to fall towards us. They fall faster and faster, until they hit our atmosphere(大气层), by which time they are going so fast that they begin to burn up, and all that you see is a flash of light that moves very quickly across the sky and disappears. These shooting stars, or meteors as they are properly called, are quite common, and sometimes you may see several in a night.
Most meteoroids are very small bits indeed, and they burn up long before they get to the Earth. However, a very few do manage to get all the way through the atmosphere, and actually fall to the ground. Usually they do not do much damage, although this is not always the case.
Meteoroids that actually manage to reach the Earth are called
meteorites
. Most countries have places where meteorites have struck the Earth. Some of these places are very large indeed and are tourist attractions.
What happens to most meteoroids coming into the atmosphere?
选项
A、They burn up.
B、They fall to earth.
C、They explode.
D、The float in the air.
答案
A
解析
推理题。题干意为“大部分流星在穿过大气层时会发生什么?”由文章第一段可知,那时它们的速度如此之快以至于它们开始燃烧,你所能看到的只是一道光划过天空,然后消失不见。由此推出,流星穿过大气层时会燃烧,故A正确。
转载请注明原文地址:https://jikaoti.com/ti/dCVsFFFM
本试题收录于:
公共英语二级笔试题库公共英语(PETS)分类
0
公共英语二级笔试
公共英语(PETS)
相关试题推荐
Sheoncesaid:"WhenpeopleaskmeifwritinghasbeenahardoreasyroadIalwaysanswerwiththefamoussaying,’theendisn
It’smyfirstwritinginthenewclass.IafraidImay76.______makelotsofmistake.Butwithoutpractice,Icannever
It’smyfirstwritinginthenewclass.IafraidImay76.______makelotsofmistake.Butwithoutpractice,Icannever
JonathanRiverslivedaloneinaneathouseinComptonStreetandworkedinLondon.Likemanyothersinglemenintheirmiddlea
LatelyIhavebeennoticingthegreatnumberofelectricalappliances(电器)onthemarket.Itseemstomethatthereare(36)
DearMr.Smith,IsawyournameonalistofteacherofFrenchwho51.______wishtospendourholidaysin
DearMr.Smith,IsawyournameonalistofteacherofFrenchwho51.______wishtospendourholidaysin
Whensailorsareallowedashoreafteralongtimeatsea,theysometimesgetdrunkandcausetrouble.Forthisreason,thenavy
—WhatisWeiPinggoingtobe?—She’llbeateacherbythetimeshe______twenty-two.
Hisansweris______intheclass,andtheteacherpraisedhim.
随机试题
遇到这种情形时要停车避让行人。
二尖瓣狭窄时左房失代偿期的瓣口面积为
城市机场的选址应()为宜。
评估流动资产时一般可以不需要考虑资产的( )因素。
如果保险设备是在本次安装前已被使用过的设备或转手设备,则()时,保险责任即告终止。
阅读下面的文字。完成下列题。据专家们说.从销密的卫星数据中整理出来的新的海底图,其详尽程度是过去海底图的30倍。把它们和船上探测获得的大比例尺海洋图加在一起,科学家们便可更加清晰地了解各个不同地点的海洋深度。这些海底图还可以更加清晰地显
CigarettesmokingisahealthhazardofsufficientimportanceintheUnitedStates.Itwas50yearsagothismonththatAmerica’
"OntheInternet,nobodyknowsyou’readog,"readthetitleofafamousPeterSteinercartoon,【C1】______nowhereisittruertha
下列几种方法中,不能启动IE6.0的是
Ihearmanyparentscomplainthattheirteenagechildrenarerebelling.Iwishitwereso.Atyourageyououghttobegrowinga
最新回复
(
0
)