用“二分法”可求近似解，对于精确度ε说法正确的是 A．ε越大

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问题选择题

用“二分法”可求近似解，对于精确度ε说法正确的是

A．ε越大，零点的精确度越高
B．ε越大，零点的精确度越低
C．重复计算次数就是ε
D．重复计算次数与ε无关

答案

答案：B

填空题

根据句意及首字母提示填上句中所缺的单词。

1. I will have a job i________ tomorrow. I need to look smart

2. I'm afraid your skirt is out of s________.You should buy a new one.

3. He walked a________ the station and looked for his son.

4. Young people today need to e________ different things.

5. Are they for or a________ the idea?

单项选择题

进入新西兰，携带（）可以不用申报。

A.糖果

B.方便面

C.鲜花

D.熟鸡蛋