(2013·石家莊高三一模)Overuse of computers will ________ to the failure of our      eyesight, which is a warning to us all.
A．contributeB．turn
C．devoteD．a(chǎn)djust
A
選A　考查動詞辨析。句意：過度使用計算機會使我們的視力下降，這是對我們大家的一個警告。contribute to“促成，造成”，是固定搭配，符合句意。
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