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问题 多项选择题

下列产品中( )属于准公 * * 品。

A．国防

B．教育

C．医疗

D．住房

E．衣服

答案

参考答案：B,C

解析：准公 * * 品是指既有公 * * 品的特征，又有私人产品的特征的产品，如教育、医疗等等。国防是公 * * 品的典型事例。衣服、住房售出以后，其效用即为购买者个人享用，而不能归社会中其他个人所享用，因此，这样的产品属于私人产品。

填空题

Beijing: The United States and North Korea had their first ______ in four months here this afternoon as part of the ______ negotiations on how to end North Korea’s nuclear program, but diplomats played down prospects for______. James A. Kelly, assistant ______, and Kim Yong Ⅱ, North Korea’s deputy foreign minister, met ______ of formal discussions, ______ on direct dialogue that began after a stormy meeting ______ in which North Korea warned that it was moving quickly to ______ nuclear arms. The Bush administration had insisted ______ that it would only hold talks with North Korea ______ because, it argued, only ______ pressure would persuade North Korea to______. It got its way when North Korea dropped its insistence on ______ and agreed, after extensive efforts by China, to hold unusual simultaneous negotiations with ______,______,______ and ______ as well as the United States. Though Bush administration officials had not ______ talking privately with the North Koreans during______, the fact that Mr. Kelly and Mr. Kim met on the first day was seen as a sign of ______ by the American side.
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单项选择题

排水工程的设置原则是( )。

A．回收利用

B．清污分流，分质排放

C．安全第一，预防为主

D．清净废水，循环利用
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