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
专升本
All over the world, forests are safeguarding the health of the planet itself. They do this【C1】______protecting the soil, providi
All over the world, forests are safeguarding the health of the planet itself. They do this【C1】______protecting the soil, providi
admin
2016-01-04
15
问题
All over the world, forests are safeguarding the health of the planet itself. They do this【C1】______protecting the soil, providing water and【C2】______the climate. Trees【C3】______soil to mountainsides. Hills【C4】______the trees have been felled lose 500 times as【C5】______soil a year as those with trees.
Trees catch and【C6】______rainwater. Their leaves break the impact【C7】______the rains, robbing them of【C8】______destructive power. The roots of trees allow the water to go into the soil,【C9】______gradually releases it to flow down rivers and refill ground-water reserves.【C10】______there are no trees, the rains run in sheets of water off the land,【C11】______the soil with them. Land【C12】______with trees and other plants【C13】______20 times more rainwater than【C14】______earth. As they grow, trees absorb carbon dioxide, the main【C15】______of the "greenhouse effect" , which【C16】______irreversibly to change the world’ s climate. Together, the world’ s trees, plants and soils contain three times【C17】______much carbon as there is in the atmosphere.
The world’ s forests contain the vast majority of【C18】______animal and plant species. The tropical rainforests【C19】______have well over half of them,【C20】______they cover only about 6% of the Earth’ s land surface.
【C9】
选项
A、that
B、it
C、what
D、which
答案
D
解析
转载请注明原文地址:https://kaotiyun.com/show/H7YC777K
本试题收录于:
英语题库成考专升本分类
0
英语
成考专升本
相关试题推荐
Nobodywantstobe【21】.Unfortunatelyourbodiescan【22】problems.Whenwearen’t【23】,ourbodiestellus.Sometimesapartofou
Weareusingupournaturalresourcestooquicklyandatthesametimeweare______ourenvironmentwithdangerouschemicals.
Lookingbackonmychildhood,Iamconvincedthatnaturalistsarebornandnotmade.Althoughwewerebroughtupinthesameway
KeyJames,SecretaryofHealthandHumanResourcesintheVirginiaStategovernment,lovestoturnthetablesonthosewhodon’t
Enoughsleepisimportanttohealth.Theamountofsleep【21】dependsontheageofthepersonandtheconditionsinwhichsleep【
Aboveallknowyouraudienceandmatchwhatyousaytotheirneeds.Creatingyourpresentationwithyouraudienceinmindwilla
Nosooner______thanherealizedthatheshouldhaveremainedsilent.
A.IenjoyP.E.atschoolB.IlikebasketballC.Whatkindofmoviesdoyoulike,thenD.Becauseit’sexcitingE.It’sanac
A.Tea,please.B.Waitamoment.C.Infifteenminutes.D.I’vefinisheditalready.E.Tostayupallnight.F.Agreewithhim
随机试题
独资企业是指由个人独资经营,归个人所有和控制的企业。()
为了防范黑客我们不应该做的行为是_____。
女性,28岁,婚后1年不孕,腹胀1个月。妇科查体:左卵巢囊实肿块8cm;B超彩色多普勒:左卵巢囊实肿瘤,其周边血供丰富。如快速病理报告为“交界性浆液性囊腺瘤”,术中探查右侧卵巢表面“珊瑚样转移灶1cm”。术式的选择为
路线价估价法基本公式的表示形式是()。
下列()属于无偿划拨的建设用地。
按照单位内部会计监督制度的要求,经济业务事项的办理、记录以及资产的维护保管等应该指派给不同的个人或部门。()
造成建筑物功能损耗的主要因素有( )。
全面结算会员期货公司应当建立并执行当日无负债结算制度。()
简述有意义接受学习的实质及条件。
【B1】【B17】
最新回复
(
0
)