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问题 单项选择题

( )的投资对象常常是风险较大的金融产品。

A．公司型基金

B．收入型基金

C．成长型基金

D．契约型基金

答案

参考答案：C

解析： 成长型基金的投资对象常常是风险较大的金融产品，与之对应地收入型基金投资对象一般为风险较小、资本增值有限的金融产品。

改错题

短文改错

Yesterday a school boy is daydreaming in class.Not knowing that he was doing, he put a pen cap

into his mouth.A few minutes late, he was terrified to find that he had swallowed it!The teacher was

shocking when the boy stood up and said, "I've just swallowed a pen cap."He was quickly sent the

nearest hospital.There a doctor examined his and said the best treatment was to take some medicines

so that the pen cap could pass natural.Three hours later the boy successfully made it."She is really lucky, " said the doctor."It's not rare that small children put things into their mouths for a fun.It's very danger."

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填空题

已知

，f(x+4)=f(x)，且在(-2，2]上有f’(x)=|x|+1，又f(0)=1，则f(9)=______．
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