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【题目】An unhappy childhood may have some negative effects on a person's character; however, they are not always __________.

A. casual

B. ashamed

C. permanent

D. unfit

【答案】C

【解析】句意:不幸的童年可能对一个人的性格有一些负面的影响;然而,它们并不总是那么长久。casual随便的,偶然的,临时的;ashamed惭愧的,羞愧的;permanent永久的,长久的;unfit不适合的,不适宜的。

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