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问题 单项选择题

小明为了使自己电脑上的数据安全，比较合理的操作方法是（）

A、安装杀毒软件与防火墙并及时更新，在网上发送重要数据前先对致据文件加密处理

B、安装杀毒软件与防火墙每隔二个月更新一次，发重要数据前先对致据文件加密处理

C、安装杀毒软件与防火墙并及时更新，在网上发送重要数据前先对数据文件加密处理，经常对电脑上的重要数据备份

D、安装杀毒软件与防火墙

答案

参考答案：C

填空题

口语运用（每小题2分，计8分）

在下列横线上填入适当的话语，使对话完整、正确。

W: Good afternoon, doctor.

M: Good afternoon. ____ 小题1:_______________ .

W: It's my baby. He keeps crying and he doesn't want to eat anything.

M: _ 小题2:____________________ .

W: Yes, I have. He has a fever.

M: Let me see. There are some red blebs (疱疹) around his mouth, on his feet and hands.

__ 小题3:_______________________ .

W: For one day.

M: He gets the hand -- foot -- mouth disease.

W: Is it serious?

M: No, it's not so serious as people said. You have come to the hospital in time. So don't worry. Just take these  

pills three times a day and drink some water. Come to the hospital tomorrow and I will check him over again.

W: ____ 小题4:______________

M: You are welcome.
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单项选择题

丙酸睾酮的含量测定

A．Kober反应比色法
B．四氮唑蓝比色法
C．HPLC法
D．紫外分光光度法
E．红外分光光度法

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