17．Steven Jobs'speech inspires me a lot，which makes me realize what _________ takes to become successful．（　�。�
A．thisB．heC．itD．that

分析 Steven Jobs的演講極大地鼓舞了我，讓我認識到怎樣才能成功．

解答 答案：C．在這里用it作形式主語，指代不定式短語to become successful，可轉換為句型"it takes what to become successful"．

點評 本題考查代詞it的用法，解題時先分析句子結構，再根據(jù)所掌握的基礎知識選擇正確答案．

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