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问题 填空题

在长度为n的线性表中查找厂个表中不存在的元素，需要的比较次数为______。

答案

参考答案：n

解析： 在长度为n的线性表中查找一个表中不存在的元素，需要的比较次数为n。

填空题

根据句意及首字母提示完成单词。

1. The e_______ has a long nose. It can carry heavy things.

2. K_______ come from Australia. They like to live in the trees. They have big ears but no tails.

3. You can see g_______ in the zoo. They have very long necks (颈).

4. T_______ are the kings of the animals.

5. P_______ live only in China. They are very lovely and eat bambooes. They are white and black.

6. He's very I_______ because he never does his homework at school.

7. She didn't speak loudly because she was so s_______.

8. A_______ are our good friends. We should be friendly to them.

9. She is a very f_______ person. 10. Do you like the u_______ toy bear?

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单项选择题

棘轮机构的主动件是( )。

A．棘轮

D．凸轮

C．棘爪

D．止退棘爪
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