甲、乙两人从 A 地以相同的速度出发前去 B 地，甲先走了 1200 米，然后乙才开始走。甲到达 B 地后立即返回，结果在距离 B 地全程的四分之一处相遇。那么，AB 两地之间的距离是多少米？（）<br/>

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Many students complain of the( ) college entrance exam for which they have to pr

A exhausting B exhausted C exhaust D exhaustive

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Within months, new structures( ),bridges are constructed, and the transport infr

A submerge B grow C build D emerge

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He who loves practice without theory is( ) the sailor who boards ship without a

A as if B like C as D resembling

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For most Nigerians, urban existence is synonymous ( )extreme individual and comm

A of B in C. for C D. with

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Herbal medicine is( )by a TCM herbalist based on specific criteria of the patien

A composed B formed C formulated D integrated

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() what we predicted, a person may indeed be very capable of concentrating after

A With respect to B In view of C Contrary to D Compared with

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Architects from around the world are answering the call and are exploring the( )

A realm B buildings C area D places

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Marriage is ( ) with a number of other factors which may be associated with life

A correlates B related C relevant D relative

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She points to the threat of climate change caused by greenhouse gases, soil poll

A diminished B recover C renewable D affluent

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Politically these nations tend to be( ), with very high birth rate but poor educ

A unreliable B unpredictable C uncertain D unstable

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甲、乙两人从 A 地以相同的速度出发前去 B 地，甲先走了 1200 米，然后乙才开始走。甲到达 B 地后立即返回，结果在距离 B 地全程的四分之一处相遇。那么，AB 两地之间的距离是多少米？（）