【C6】A．bondB．bonusC．tariffD．voucher

— Do you mind if I use vouchers to spend in a restaurant？— __________A: Yes, please.B; N

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听力原文：Fifty years ago, Milton Friedman proposed a Voucher System to improve American ed

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Mr. Milton founded the voucher programs at the age ofA．50.B．53.C．43.D．33.

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Which of the following is TRUE according to the text？A．The author thinks that voucher prog

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【C8】A．paymentB．bonusC．salaryD．wage

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黄酮类化合物的基本骨架是A．C3-C6-C6B．C6-C3-C6C．C6-C6-C6D．C3-C6-C3E．C6-C6-C3

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A．profitB．bonusC．benefitD．prize

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