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
WATER The second most important constituent of the biosphere is liquid water. This can only exist in a very narrow range of
WATER The second most important constituent of the biosphere is liquid water. This can only exist in a very narrow range of
admin
2010-03-25
33
问题
WATER
The second most important constituent of the biosphere is
liquid water. This can only exist in a very narrow range of tem-
peratures, since water freezes at 0℃ and boils at 100℃. This is
only a tiny range compared with the low temperatures of some
other planets and the hot interior of the earth, let the tempera- 【M1】______
ture of the sun.
As we know, life would only be possible on the face of a 【M2】______
planet had temperatures somewhere within this range. 【M3】______
The earth’s supply of water probably remains quite fairly con- 【M4】______
stant in quantity. A certain number of hydrogen atoms, which
are one of the main constituents of water, are lost by escaping
from the atmosphere to out space, but they are probably just 【M5】______
about replaced by new water rising away from the depths of the 【M6】______
earth during volcanic action. The total quantity of water is not
known, and it is about enough to cover the surface of the globe 【M7】______
to a depth of about two and three-quarter ms. Most of it - 97%
is in the form of the salt waters of the oceans. The rest is
fresh, but three quarter of this is in the form of ice at the Poles 【M8】______
and on mountains, and cannot be used by living systems when 【M9】______
melted. Of the remaining fraction, which is somewhat fewer 【M10】______
than 1% of the whole, there is 10 20 times as much stored as un-
derground water as is actually on the surface. There is also a mi-
nor, but extremely important, fraction of the water supply
which is present as water vapour in the atmosphere.
【M5】
选项
答案
out改成outer
解析
这里指外层空间。
转载请注明原文地址:https://kaotiyun.com/show/DIqO777K
0
专业英语八级
相关试题推荐
A、Tolookforadifferentlifestyle.B、Toenjoythemselves.C、Foradventure.D、Foreducation.D
A、Complainingtothemanager.B、Havingafightwiththemanager.C、Buyinganotherpairofjeans.D、Tryingtogethismoneyback.
Tounderstandthemarketingconcept,itisonlynecessarytounderstandthedifferencebetweenmarketingandselling.Nottooma
A、ANobelPrizewinnerisscheduledtodelivertheopeningspeech.B、ThespeakeroftheopeningceremonywilldiscusstheNobel
Recentyearshavebroughtminority-ownedbusinessesintheUnitedStatesunprecedentedopportunitiesaswellasnewandsignific
TheInternetisanexcellentsourceforfindingmanytypesofinformationandforkeepingupwithnewdevelopmentsintheworld.
A、Flight007willdepartintwohours.B、Flight007isneverontime.C、Flight007isalreadytwohourslate.D、Flight007will
Ingeneral,oursocietyisbecomingoneofgiantenterprisesdirectedbyabureaucraticmanagementinwhichmanbecomesasmall
A、AfghanistanandIraqB、PakistanandKyrgyzstanC、IndiaandPakistanD、PakistanandAfghanistanD
A、Australiaistosend150specialforcestroopsbacktoAfghanistanbyNovember.B、Thedeploymentwouldlast20months.C、Thed
随机试题
从产业革命到20世纪初叶,直接为公共政策的研究做出重大贡献的学者有()
安全范围是指
应诊为()方应选用()
关于行政法规和规章的制定,下列说法中正确的是()。
下列专利技术研发支出,可能计入无形资产入账价值的是()。
设10个产品中有7个合格品、3个不合格品,从中不放回地任取5个,取出的5个产品中恰有2个不合格品的概率为()。
“十一五”期间,为把四川建成国际性的旅游目的地,我省重点推出四条国际精品线路,着力打造“新五大旅游区”。请列出四条线路名称并概述我省建设“新五大旅游区”的主要举措。
在19世纪之前的美国,水运在交通中扮演着________的角色,因而在作为水运中转站的Portage处,很快就形成了一个又一个的小城镇。但进入19世纪之后,美国开始大规模地进行铁路建设,水运的地位不断下降,Portage的先天优势一点点______。那么,
Foryears,sportsfanaticshaveturnedtostatisticstohelpthemgaugetherelativestrengthorweaknessesofdifferentteams,
ItwasabeautifulsummerdayandIwastakingawalkinthedowntownareaofMadrid.WhenIturnedastreet【C1】______Iheardth
最新回复
(
0
)