单选题：BythefourthweekofJulyconditionsinthetropicsweresuchthat_____

题目内容：

BythefourthweekofJulyconditionsinthetropicsweresuchthat__________. A．humansurvivalwouldbeimpossible
B．moreandmorepeoplewouldlosetheirlives
C．fewerpeoplecouldbesaved
D．survivalordeathwasstillundecided

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答案解析：

Oncethesands__________aperson'shourglass,theycannotbereplace

Oncethesands__________aperson'shourglass,theycannotbereplaced．(runoutof)

分类：成人英语三级  题型：单选题
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第57题答案是________

第57题答案是________ A．infective B．effective C．affective D．efficient

分类：成人英语三级  题型：单选题
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第50题答案是________

第50题答案是________ A．imposed B．instructed C．inspired D．influenced

分类：成人英语三级  题型：单选题
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根据以下材料，回答题 InonlytwodecadesAsian-Americanhavebecomethefastes

根据以下材料，回答题 InonlytwodecadesAsian-Americanhavebecomethefastest-growingus41Asthei

分类：成人英语三级  题型：单选题
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Accordingtothepassage,theinitialconcernaboutcomputerswasthat

Accordingtothepassage,theinitialconcernaboutcomputerswasthattheymight__________

分类：成人英语三级  题型：单选题
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