The number of tigers in Asia________ getting smaller and smaller and a large number of people_________ trying to protect them．
A．a(chǎn)re；areB．is；isC．is；areD．a(chǎn)re；is
C

試題分析：句意：亞洲虎的數(shù)量越來越小，許多人試圖保護他們。The number of…的數(shù)量，作主語時謂語動詞用三單形式；a number of許多，修飾復(fù)數(shù)名詞，作定語。所以選C。
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