Today there has been a change of attitude towards nature. This is shown in ______. What does the sentence "The air helps purify

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问题 Today there has been a change of attitude towards nature. This is shown in ______.
What does the sentence "The air helps purify the water" illustrate?

选项 A、The ecological balance.
B、The water cycle.
C、The earth’s limited resources.
D、The life cycle.

答案A

解析本题考查利用文章内容进行推断的能力。"The air helps purify the water"这句话出现在文章第四段的最后一部分，根据该句前面一句的内容"These resources are tied together in a complex set of transactions"．我们不难看出这里讲到是生态链及生态平衡的问题。

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考研英语一

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Today there has been a change of attitude towards nature. This is shown in ______. What does the sentence "The air helps purify

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WhydoweneedtheEnglishmajor?The【C1】____isineverymouth—or,atleast,isdiscussedextensivelyincolumnsand【C2】

MasstransportationrevisedthesocialandeconomicfabricoftheAmericancityinthreefundamentalways.Itspeededupphysica

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Today there has been a change of attitude towards nature. This is shown in ______. What does the sentence "The air helps purify

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IsStanfordstillauniversity?TheWailStreetJournalrecentlyreportedthatmorethanadozenstudentshaveleftschooltowo

Scientistshavediscoveredapowerfulantibioticinthebloodstreamofgiantpandasthatcandestroybacteria.TheChineserese

WhydoweneedtheEnglishmajor?The【C1】________isineverymouth—or,atleast,isdiscussedextensivelyincolumnsand【C2】____

WhydoweneedtheEnglishmajor?The【C1】________isineverymouth—or,atleast,isdiscussedextensivelyincolumnsand【C2】____

MasstransportationrevisedthesocialandeconomicfabricoftheAmericancityinthreefundamentalways.Itspeededupphysica

WhenPaulGorski,thefounderofanorganizationcalledEdChange,visitscollegesanduniversitiestoadvisethemoncampusdiv

Sugarposesenoughhealthrisksthatitshouldbeconsideredacontrolledsubstancejustlikealcoholandtobacco,argueateam

Substanceabuse(Line5,Paragraph1)ispreferableto"drugabuse"inthat______.physicaldependenceoncertainsubstancesr

Technically,anysubstanceotherthanfoodthataltersourbodilyormentalfunctioningisadrug.Manypeoplemistakenlybeliev

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十二经脉中阳经与阳经的交接部位是（）

下列作品中采用驳论方式的是()

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由白术、芍药、陈皮、防风组成的方剂名为

建设工程项目的全寿命周期包括项目的()。

根据下列文字回答以下问题据统计，2006年5月份全国基本型乘用车产销21.19万辆和22.13万辆，比2005年同期分别增长1.86%和26.03%；运动型多用途乘用车产销1.43万辆和1.52万辆，降幅不大；交叉型乘用车5月产销6.60万辆和6.

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WhydoweneedtheEnglishmajor?The【C1】____isineverymouth—or,atleast,isdiscussedextensivelyincolumnsand【C2】

WhydoweneedtheEnglishmajor?The【C1】____isineverymouth—or,atleast,isdiscussedextensivelyincolumnsand【C2】