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
19
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.
【C8】
选项
A、its
B、these
C、those
D、their
答案
D
解析
转载请注明原文地址:https://kaotiyun.com/show/X7YC777K
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
Thereisonethingthateveryonewantsmorethananythingelse.Somepeopletrytogetitbymakingmoney.Theythinkthatwhen
Sometimeschildrenarekidnapped.Kidnappingislikestealingachild.Itisimportantthatkidnappedchildrenarefoundandbro
IntheUS,peoplepreferwaitingforatabletosittingwithpeopletheydon’tknow.Thismeansahostessmaynotscatasmallg
YouhaveheardofWebsterToys.Webster’shavemadegood,safe,interestingtoysformorethanahundredyears.Now,wesellthe
Ahundredyearsago,thegamewenowcallfootballdidnotexist.Americanfootballstartedduringagamebetweentwocolleges.
Toomuchdrinkingwould______hishealth.
MaryArming(1799—1847)wasaBritishfossilhunterwhobeganfinding【21】asachild,andsoonsupportedherselfandhervery【22】
Fivehundreddollars______expensive.Haveyounothingcheaper?
Nockislookingforanotherjobbecausehefeelsthatnothinghedoes______hisboss.
随机试题
标记完索引项之后,Word将按照()来创建索引。
以核酸分子杂交为基础的基因诊断方法有
心房纤颤时心电图表现可有()。
A.地龙B.水蛭C.土鳖虫D.斑蝥E.僵蚕略呈圆柱形,多弯曲皱缩,表面被有白色粉末霜状气生菌丝的药材是
患者,女,34岁,工作紧张,近两年来未避孕,欲生育,但一直未孕。月经不规则,经期延长。医生建议患者行诊断性刮宫以了解黄体功能,护士告知刮宫时间应在月经来潮
在机械工作时间消耗分类中,由于工人装料数量不足引起的机械不能满负荷工作的时间属于()。
基金销售机构在基金销售活动中,可以采取的行为是()。
人体发生花粉等过敏反应时,由于毛细血管壁的通透性增加,血浆蛋白渗出,会造成局部()。
A.untilB.groundC.asPhrases:A.weren’tdiscovered【T7】______the1930sB.ASwisswriterwrotethattheNazcalineswerede
根据我国《宪法》的规定,国家对于职业教育、中等教育和高等教育采取的政策是()。
最新回复
(
0
)