单选题：Themainpurposeoftheauthoristomakeus（　　）．

题目内容：

Themainpurposeoftheauthoristomakeus（　　）． A．seewhatdamagehumanitydidtonature
B．fightwithnatureandcontrolit
C．havemorecelebrationsofEarthDay
D．awareoftheimportanceofenvironmentprotection
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答案解析：

Thefactoryoperated（　　）untiltheorderwasfilled．

Thefactoryoperated（　　）untiltheorderwasfilled． A．attimes B．totheminute C．daybyda

分类：成人英语三级  题型：单选题
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Questionsarebasedonthefollowingpassage: Firecanhelppeopleinm

Questionsarebasedonthefollowingpassage: Firecanhelppeopleinmanyways．Butitcanbe

分类：成人英语三级  题型：单选题
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（　　）youdisagreewithher,herideaisstillworthconsidering．

（　　）youdisagreewithher,herideaisstillworthconsidering． A．Evenif B．Ifonly C．Inst

分类：成人英语三级  题型：单选题
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Yoursisterhasmadean（　　）foryoutoseethedentistat3thisafternoon

Yoursisterhasmadean（　　）foryoutoseethedentistat3thisafternoon． A．appointment B．i

分类：成人英语三级  题型：单选题
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CarlSaganbelievesthatVenusmightbecolonizedfromearthbecause__

CarlSaganbelievesthatVenusmightbecolonizedfromearthbecause__________. A．itmight

分类：成人英语三级  题型：单选题
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