Before an exam, I always ________ my notebook.A.look upB.look afterC.look forD.look through
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D解析试题分析：look up向上看，查阅； look after 照顾，关心；look for 寻找；look through浏览，温习，仔细查看。句意：在考前，我总是仔细查看我的笔记本。故选D。考点：短语辨析
点评：解答此类题型的要点是了解各个短语的基本含义，同时注意一词多义现象，然后结合语境选择合适