例He __44__

　　himself, perhaps, as inviting his students to start an exciting __45__ into an unknown world invisible(无形的) to the __46__， which can be discovered only through scientific __47__.

　　46．A.professor

　　B．eye

　　C．knowledge

　　D．light

　　点拨背景常识题目的解题技巧

　　解答此类题时，考生的英语语言知识和有关常识都发挥着重要的作用。当对语言的把握不是很准确时，要转换思维角度，可充分利用社会知识和科普常识来帮助判断，先找出并理解文章主题和主线，并根据主题猜测细节，注意从重复出现的词语中寻找、体会文章表达的氛围，最终确定最佳选项。

　　【2017·重庆卷】A

　　Five months after my husband Steve died, I woke up one morning to the maddening sound of a leaking faucet（水龙头）. I knew it needed repairs badly, but it 16_______ me so much just to think of it.

　　All our 17_______ life, I was the “artist” bringing to our house much imagination. Steve was the 18 ”_______” one. He had a real gift for handling chores（家务活），19_______ me from unpleasant repair jobs.

　　But how could such a good man have his life cut short so suddenly! I had been so sad and angry that I completely 20_______ the house. That leaky faucet somehow awakened me to the fact that I now had to 21_______ the challenge of getting things fixed.

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