3．_______ this sentence a second time，the meaning will become clear to you．（　　）
A．If readingB．When you readC．ReadingD．Read

分析 當(dāng)你把這個(gè)句子再讀一遍，意思會(huì)很清晰．

解答 答案：B．根據(jù)句意：當(dāng)你把這個(gè)句子再讀一遍，意思會(huì)很清晰．再通過分析句子結(jié)構(gòu)，其中含有一個(gè)時(shí)間狀語從句，表示"當(dāng)…時(shí)候"，A選項(xiàng)缺主語，C選項(xiàng)和D選項(xiàng)和句子主語不存在邏輯上的關(guān)系，故排除，故選B．

點(diǎn)評(píng) 本題考查時(shí)間狀語從句的連接詞，在充分分析句型再結(jié)合語義的基礎(chǔ)上便能選出正確答案，同時(shí)要注意其他選項(xiàng)的排除．

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