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
A. help maintain environmental quality B. as people clear lands C. depends on countless interactions D. by overfishing and by po
A. help maintain environmental quality B. as people clear lands C. depends on countless interactions D. by overfishing and by po
admin
2016-11-07
64
问题
A. help maintain environmental quality
B. as people clear lands
C. depends on countless interactions
D. by overfishing and by pollution Phrases:
A.【T13】________for homes and farms and cut wood for fuel
B. They also【T14】________by breaking down or removing some pollutants
C. fish supplies have been greatly reduced【T15】________
D. 【T16】________among plants, animals, and microorganisms
Wildlife plays a vital role in the biological processes that are essential to life itself. The functioning of the biosphere, and hence the maintenance of human life,【T17】________These processes are essential for agriculture, fisheries, and other efforts necessary to human life. 【T18】________and by preventing the pile-up of waste. Some of the biological processes in which wildlife is involved are seed scattering, soil generation, nutrient cycling and pest control.
No discussion of threats to wildlife is complete without an examination of the causes, which are human needs. In Africa, forests are shrinking 【T19】________Sheep eat the vegetation, leaving the bare soil to be carried away by wind and water. Humans kill wildlife for the illegal trade in furs. The loss of forests is destructive to many species and plants. Beyond that, in the oceans, 【T20】________.
【T17】
选项
A、
B、
C、
D、
答案
D
解析
前面说的是:生物圈的功能发挥以及人类生命维持。后面用“depend on…”表明条件。故选D。
转载请注明原文地址:https://www.kaotiyun.com/show/o1Li777K
0
在职申硕(同等学力)英语
相关试题推荐
Someofthesestudies(haveshown)thatalthoughsomepeoplehavetrouble(tofallasleep),othershavean(equally)difficultt
TheSecurityCouncilisthemostpowerfulbodyintheUN.Itisresponsibleformaintaininginternationalpeace,andforrestori
TheSecurityCouncilisthemostpowerfulbodyintheUN.Itisresponsibleformaintaininginternationalpeace,andforrestori
Formanypeopletoday,readingisnolongerrelaxation.Tokeepuptheirworktheymustreadletters,reports,tradepublication
Formanypeopletoday,readingisnolongerrelaxation.Tokeepuptheirworktheymustreadletters,reports,tradepublication
Thereisnoquestionthattheoldstyleofairpollutioncouldkillpeople.Inoneweekfollowingtheinfamous"peasouper"fogi
Thereisnoquestionthattheoldstyleofairpollutioncouldkillpeople.Inoneweekfollowingtheinfamous"peasouper"fogi
Acomplexoperationcalledspinalfusionhasemergedasthetreatmentofchoiceformanykindsofbackpain.Butanumberofres
Areportpublishedrecentlybringsbadnewsaboutairpollution.Itsuggeststhatitcouldbeasdamagingtoourhealthasexpos
Inthetraditionofthecompany,thisdictionaryprovidesespeciallygoodcoverageandtreatmentofAmericanism—thatis,wordsa
随机试题
初产妇,24岁。妊娠38周,规律宫缩7小时。血压110/70mmHg,骨盆不小,预测胎儿体重为2800g,枕左前位,胎心良。肛查宫口开大4cm,S=0。正确处置应是()
某女40岁,月经漏下不止,经血色暗伴有血块已有2月,时见乏力倦怠,舌边尖有瘀点,脉涩,对其应采用的治则是
不能直接用于工程的材料是()。
下列关于固定资产模块设置的说法,正确的有()。
下列各项中,企业确定生产成本在完工产品与在产品之间的分配方法时,应考虑的具体条件有()。
旅游活动对社会的影响有哪些?
五岁的小东随父母迁居到另一个国家,父母让他每天与新的小伙伴们一起自由地玩耍,完全不进行任何语言教学,最后,小东在几个月内就掌握了一种新的语言,而且还学会了当地的口音。小东对语言的学习属于
Researchersarefindingthatboysandgirlsreallyarefromtwodifferentplanets.Boysandgirlshavedifferent"crisispoints"
—Haveyougotyourfinalresult?—Notyet.Thepapers_______.
Acollegelibraryisaninexhaustibleandeverchangingstorehouseofinformation.Newbooks,periodicals,andother【67】ofinfor
最新回复
(
0
)