【題目】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：不幸的童年可能對(duì)一個(gè)人的性格有一些負(fù)面的影響；然而，它們并不總是那么長(zhǎng)久。casual隨便的，偶然的，臨時(shí)的；ashamed慚愧的，羞愧的；permanent永久的，長(zhǎng)久的；unfit不適合的，不適宜的。

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