剧烈的经济波动时发挥作用的主要是（）。A．自动稳定器 B．斟酌

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问题单项选择题

剧烈的经济波动时发挥作用的主要是（）。

A．自动稳定器

B．斟酌使用的财政政策

C．就业政策

D．价格政策

答案

参考答案：B

解析：

自动稳定器主要在经济轻微波动时发挥良好的作用。

阅读理解

根据上面这则广告的内容，完成短文。

This is advertisement invites you to visit _______. You can _______are for seven days. But you only

need to pay for _______ days. You can visit therefore seven days. But you only need to pay for_______ days.

You can visit sney Theme Parks, Water Parks and more with a Theme Park ticket. You will have to pay more

_______ 30 October 2008. So book tickets now to_______.

名词解释

永久性寄生虫：