A growing number of students spend so much time on internet and TV with less and less rest and study, which _______ parents and educators very much.
A．settlesB．conquersC．concernsD．commands
C

試題分析：考查動詞辨析。Settle解決；定居；conquer征服；concern使...擔憂；command命令；指揮；句意：很多學生把很多時間花在看電視上，休息和學習的時間越來越少，這讓父母和老師們很擔憂。根據(jù)句意說明C正確。
點評：動詞的詞義辨析要放在上下文的語境在進行，要注意一詞多義的現(xiàn)象。以及一些動詞的形式變化和固定詞組搭配
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