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
2017-07-18
20
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.
【C19】
选项
A、only
B、lonely
C、alone
D、itself
答案
C
解析
转载请注明原文地址:https://jikaoti.com/ti/gAjGFFFM
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
OfallBarryH.Landau’sanecdotesabouthisfriendshipswithpresidentialdogs,perhapsthebestistheoneaboutthetimethe
Mostchildrenwithhealthyappetitesarereadytoeatalmostanythingthatisofferedthemandachildrarelydislikesfood【36】i
Mostchildrenwithhealthyappetitesarereadytoeatalmostanythingthatisofferedthemandachildrarelydislikesfood【36】i
AfterManhasdreamedaboutflyingforalongtime.MichaelMoshierisadreamer.HeinventedtheSoloTrek.TheSoloTrekh
ThereoncelivedapoortailorwhohadasoncalledAladdin,acareless,idleboy【21】woulddonothingbutplayalldaylongint
—Alicecamebackhomethedaybeforeyesterday—Really?Where______?
I’vebeengoinghomeforluncheversinceIstartedschool.Ineverlikedeatinginthecafeteria(自助食堂)althoughintileseventh
Becauseofhisoutstandingcontributiontothecauseofmedicalscienceshe______NobelPrize.
Michaelusedtolookhurtandsurprisedwhen______.
Ihavetwobrothers.______inthearmy.
随机试题
野生茶树的出现在我国至少有3000年的历史,而最早培植茶叶是在汉晋时期。()
影响心肌耗氧量的3个主要因素是
A、速度型多普勒组织成像B、能量型多普勒组织成像C、频谱多普勒D、彩色多普勒血流显像E、能量型多普勒血流显像可以显示心肌活动速度和方向的是
一般资料:求助者,男性,16岁,高一学生。案例介绍:求助者家在偏远山区,排行老大,有两妹一弟。从小懂事,知道父母种地辛苦,养成了勤俭节约的好品质。成绩一直在班上名列前茅。初一开始当班干部,深得老师喜欢。中考时以全县第一名的成绩考入市重点中学。为学
职工参与企业民主管理的形式包括()
()是一个人自觉地调节行为,克服困难,以实现一定道德目的的心理过程。
下列关于设定行政许可与行政处罚的说法中,正确的是()。
设f(x,y,z)=exyz2其中z=z(x,y)是由x+y+z+xyz=0确定的隐函数,则f’x(0,1,-1)=________
已知线性方程组方程组有解时,求出方程组的全部解.
Anewstudyfindsthatblacksondeathrow【1】ofkillingwhitesaremorelikelytobeexecutedthanwhiteswhokillminorities.I
最新回复
(
0
)