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12．能否抵御網絡游戲的誘惑是擺在中學生面前的一道難題．（It）It is a difficult problem for high school students whetherthey can resist the temptation of online games．．

分析 It is a difficult problem for high school students whetherthey can resist the temptation of online games．

解答 答案為It is a difficult problem for high school students whether they can resist the temptation of online games．
根據提示詞it可知，這里可以用it作形式主語的主語從句來表達，結構為"It+be+名詞+for sb+句子"，動詞短語"抵制誘惑   resist the temptation"，因此答案為It is a difficult problem for high school students whether they can resist the temptation of online games．

點評 此題考查的是主語從句，以形式主語it代替真正的主語，使句子更加自然順暢．在主語從句中連接詞表示是否用whether．抵制誘惑是比較難的短語，抵制用動詞resist，誘惑是名詞temptation．

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