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问题 填空题

函数y=log0.5（2x-8）的定义域为______．

答案

因为2x-8＞0，得到x＞4

故函数y=log0.5（2x-8）的定义域为（4，+∞）．

故答案为：{x|x＞4}．

填空题

根据句意首写字母填单词。

1. It's a ________ (秘密) between you and us. Don't tell anybody about it.

2. As students, it's our d________ to study hard at any subjects.

3. My grandfather died last month. His d________ made me very sad.

4. Bruce is old enough to look after h________ (他自己).

5. I don't know the right p________ of the word Jane

6. You should try your best if you want to ________ (实现) your dream.

7. If I had 5 million dollars, I would give it to medical ________ (研究).

8. Our teacher often tells us the ________ (重要性) of learning English.

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单项选择题

一些重要的程序语言(如C语言和Pascal语言)允许过程的递归调用。而实现递归调用中的存储分配通常用______。

A．栈

B．堆

C．数组

D．链表
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