7．Students must be taught the skills to locate，________ and communicate information from the Internet．（　�。�
A．ensureB．evaluateC．containD．cast

分析 學(xué)生們一定被教授了從網(wǎng)絡(luò)上定位、評估和交流信息的技能．

解答 答案B．
A項"保證，確保"；C項"包含，含有"；D項"投，拋；投射（光、影、視線等）"；根據(jù)句意"學(xué)生們一定被教授了從網(wǎng)絡(luò)上定位、評估和交流信息的技能"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(qiáng)動詞詞匯量的積累．

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