键盘上的Caps Lock键的作用是( )。A.退格键,按下后删除一个字符 B.退

题型:单项选择题

问题:

键盘上的Caps Lock键的作用是( )。

A.退格键,按下后删除一个字符

B.退出键,按下后退出当前程序

C.锁定大写字母键,按下后可连续输入大写字母

D.组合键,与其他键组合才有作用

考点:计算机等级考试B笔试一级B笔试47
题型:单项选择题

对心力衰竭病人护理的重要措施是()。

A.合理吸氧

B.消除焦虑

C.健康教育

D.减轻心脏的负荷

E.预防并发症发生

题型:单项选择题

用所给词的适当形式填空。

1.We think the charity show is a ____________ (meaning) activity and we’ll take part in it.

2. Today’s newspaper says ___________ (clear) that middle students can only be at school for no more than seven hours a day .

3. They________________ (work) in the nature reserve over the years.

4. ---What an interesting book!

---I have the same __________ (feel). I will read it again when I have time.

5. Edddie’s mother was ill after __________(wait) for him in the rain for a long time.

6. Timmy__________ (trap) under the stones and bricks, so he shouted for help.

7. ---Where were you at this time last night?

---I ________________(write) an e-mail at home.

8.     The best way to learn English is to practice  ________( speak) it.

题型:单项选择题

在进站信号机前方第一架通过信号机柱上应涂()与其它通过信号机相区别。

A、黑斜线

B、黑线

C、黑白相间的3条斜线

D、3条黑斜线

题型:单项选择题

试述年漏气率的定义。运行中如何及时发现GIS各气室的漏气趋势?

题型:单项选择题

MIP终端依靠()协议通知PDSN使用MIP业务?

A.LCP协议不请求IPCP协议

B.IPCP协议不请求地址

C.认证协议请求移动IP业务

D.以上都不对

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