7．People all think it strange that the boy should tell what's written on the paper in another room without looking at it．It really ________ explanation．（　　）
A．preventsB．challengesC．interruptsD．confuses

分析 人們都認為這個男孩不看報紙能講出內(nèi)容來，這讓人們感覺奇怪，這真的難以解釋．

解答 答案B．
A項"阻止"；C項"打斷"；D項"困惑"；B項"挑戰(zhàn)；質(zhì)疑"；動詞短語"challenge explanation  對解釋進行挑戰(zhàn) 即很難提供確切的解釋"，根據(jù)句意"人們都認為這個男孩不看報紙能講出內(nèi)容來，這讓人們感覺奇怪，這真的難以解釋．可知，B項符合語境，故選B．

點評 本題考查動詞辨析．解答此類題目首先要讀懂句意，理解每個選項動詞的意思，然后根據(jù)上下文語境鎖定合適的動詞．平時要加強動詞詞匯量的積累．

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