Pollution has become a serious problem in almost all the big cities of the wo

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问题 Pollution has become a serious problem in almost all the big cities of the world. City people are becoming more and more worried about how they can (11) pollution. They are also concerned about whether the government is doing enough to (12) the e [br]

选项

答案 protect

解析这里是动词不定式表示目的，意为“保护 (环境) ”。

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Pollution has become a serious problem in almost all the big cities of the wo

Accordingtothepassage,______causesthemostseriousproblem.[br]Whydoop

Accordingtothepassage,______causesthemostseriousproblem.[br]"Controve

Wehavegotto______anewwaytosolvethisproblem.A、tellaboutB、putoutC、t

His______(ultimately)goalistobecomeasuperstar.ultimate本题考查副词与形容词之间的转换。该

Asitwasalmosttimefortheflight,allthepassengersgot______theplane.A、

_____Iadmitthattheproblemsaredifficult,Idon’tagreethattheycan’tbe

Weareaserioussellerandlookingforwardto(build0______longandreliableb

Asitwasalmosttimefortheflight,allthepassengersgot______theplane.A、ar

Soseriously______intheaccidentthatbeisstillindanger.A、hedidinjureB

65.Card-holdersofHolidaySunshineHotelautomaticallybecomeregisteredmembe

Englandisnotabigcountry:fromnorthtosouthandfromeasttowestiti

Largecompaniesneedawaytoreachthesavingsofthepublicatlarge.The

Accordingtothespeaker,"LoveThyNeighbor"shouldoriginallybe[br][origin

波浪理论考虑的因素主要包括三个方面，其中最重要的是股价的A.相对位置 B.比例

细胞间相互作用不受MHC限制的是A.Tc细胞与病毒感染的细胞B.Th细胞与B细胞

儿科病房出现一水痘患儿，此病房何时才能再收治新病人A:7天 B:14天 C:

好氧污水处理中的自养代谢过程主要是()。A、硝化过程 B、有机物代谢过程

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