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【简答题】
But the greatest ________ of being forty is knowing who I am. The most ________ aspect of _______ is the uncertainty you feel about your ________, goals, and dreams. Being young means wondering what is worth working for. Being young means feeling happy with yourself one day and wishing you were never born the _________. It means trying on new selves by taking _____ with different crowds. It means __________ your parents and their way of life one minute and then feeling you will never be as good or as ___________ as they are.
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A.
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C.
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E.
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【简答题】普通晶闸管内部有 PN 结,外部有三个电极,分别是 、 和 。
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