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
考研
Air is (1)_____, and like all matter, it has weight. Weight is the measure of the (2)_____ of gravity (3)_____ matter. If a scal
Air is (1)_____, and like all matter, it has weight. Weight is the measure of the (2)_____ of gravity (3)_____ matter. If a scal
admin
2014-06-13
60
问题
Air is (1)_____, and like all matter, it has weight. Weight is the measure of the (2)_____ of gravity (3)_____ matter. If a scale registers 10 kilograms when a stone is placed on it, this means that gravity pulls the stone with that (4)_____ force. (5)_____, earth’s gravity pulls on each (6)_____ of gas and dust on the atmosphere. Because our atmosphere is a. vast (7)_____ of air, it has (8)_____. If it could (9)_____ be compressed and put on a (10)_____ of scales, it would weigh about 5,700,000,000,000,000 (quadrillion) metric tons.
The air pressed down on us and against us (11)_____ all sides. Something (12)_____ a ton of air is pressing against you at this moment. You are not (13)_____ of this because air pressure within your body (14)_____ the pressure of the air outside.
Air pressure is 1.036 kilograms per square centimeter (14.7 pounds per square inch) at sea (15)_____. It is greatest there because that is the (16)_____ of the atmosphere. (17)_____ higher altitudes the pressure is (18)_____. That is why the (19)_____ of highflying planes are pressurized. They are designed to (20)_____ the air pressure our bodies must have.
选项
A、On
B、At
C、For
D、Through
答案
B
解析
本题是一道介词搭配题。此处要求填入一个介词与"altitude"搭配。根据四个选项,只有介词"at"可以与"altitude"搭配,表示"在…高度"。因此,本题的正确答案为At。
转载请注明原文地址:https://kaotiyun.com/show/yZO4777K
0
考研英语一
相关试题推荐
Howdoestheauthorthinkofhimself?Bysaying"thenominalwinnerisoftenarealloser"(Paragraph2),theauthormeans
YouareapplyingforapositionasanEnglishteacher.WritealettertotheHeadofForeignLanguagesDepartmentto1)intr
Accordingtothepassage,whichofthefollowingisNOTwrong?______Accordingtotheauthor,theconceptof"people-literate"
Theproducedepartmentsofthefuturemaylooklikenothingonearth,andwithgoodreason.Chinesescientistshavebeengrowing
Britishcancerresearchershavefoundthatchildhoodleukemiaiscausedbyaninfectionandclustersofcasesaroundindustrial
Inthelate1960’s,manypeopleinNorthAmericaturnedtheirattentiontoenvironmentalproblems,andnewsteel-and-glassskysc
Lowspeedbicyclecrashescanbadlyinjureorevenkillchildreniftheyfallontotheendsofthehandlebarssoateamofengin
Clinicaldepressionisaseriousailment,butalmosteveryonegetsmildlydepressedfromtimetotime.RandolphNesse,apsychol
AMGEN,theworld’sbiggestbiotechnologycompany,madeitsfortunefromadrugthatfortifiesthebloodofpatientswhoareunde
What’syourearliestchildhoodmemory?CanyourememberlearningtowalkOrtalk?Thefirsttimeyou【C1】______thunderorwatched
随机试题
有机磷杀虫药中毒死亡的原因主要为_______。
政治
在房地产投资项目可行性研究中,调查研究主要是从市场调查和资源调查两方面进行。其中资源调查的主要内容有()。
GIS与CAD系统的公共特点是()。
()抹灰面积按主墙间的净长乘以高度。
从企业的角度出发,其财务管理体制的设定或变更应当遵循的原则有()。
某公司的财务杠杆系数为2,税后利润为360万元,所得税率为40%。公司全年固定成本总额2400万元,公司当年初发行了一种5年期每年付息,到期还本的债券,发行债券数量为1万张,每张债券发行价格为989.8元,面值为1000元,债券年利息为当年利息总额的1/3
唯物辩证法认为()。
Inthe20thcenturytheplanet’spopulationdoubledtwice.Itwillnotdoubleevenonceinthe【C1】________century,becausebirth
Whentelevisionfirstbegantoexpand,veryfewofthepeoplewhohadbecomefamousasradiocommentators【31】effectiveontelev
最新回复
(
0
)