3．Similarly，to enrich to our minds，we need information and knowledge，which can beobtained through reading．

分析 同樣，為了豐富我們的頭腦，我們需要信息和知識，這些可以通過閱讀獲得．

解答 答案：to enrich； obtained
第一個空在句中作目的狀語，應(yīng)使用動詞不定式形式，意為：為了豐富我們的頭腦，故填to enrich；第二個空指的是：信息和知識可通過閱讀來獲得，由于此處符合情態(tài)動詞can+be+done的結(jié)構(gòu)，故用過去分詞obtained．

點評 做類似的題時，首先應(yīng)根據(jù)句意判斷出空缺處的意思；其次從語法分析的角度，確定出應(yīng)填單詞的形式；因此在平時的學(xué)習(xí)中，除了應(yīng)牢固記憶單詞的拼寫之外，還要熟練掌握一些的語法知識．

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