The population of Africa is________so rapidly as to cause concern of the whole w

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The population of Africa is________so rapidly as to cause concern of the whole world. [ ]
A. expanding
B. stretching
C. extending
D. spreading

答案

举一反三

If I ruled the world, I would________the world________everything that is bad. [     ]
A. get rid of; by
B. be rid of; by
C. rid; of
D. get rid; of

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At times the balance in nature is________, resulting in a number of possibly unforeseen effects. [     ]
A. confused
B. puzzled
C. disturbed
D. troubled

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— Hi, Peter.Long time no see.
— Oh, it"s you, Jack.I"m sorry I didn"t ________you at first. [     ]
A. know
B. recognize
C. remember
D. realize

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Tyron was very angry, but coolheaded enough to________rushing into the boss"s office. [     ]
A. prevent
B. avoid
C. protect
D. allow

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As nobody here knows what is wrong with the machine, we must send for an engineer to______
the problem. [ ]
A. handle
B. raise
C. face
D. present

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