纯水在80℃时的pH A．等于7 B．大于7 C．小于7 D．无法确定

— Did the door-keeper let you in?

— No. ____I tried to tell him I was your relative, he just didn’t believe me.

A．Whether

B．Whatever

C．No matter

D．However

按要求改写句子。

1. The Green Family are staying in Qingdao for five years.(就划线部分提问)

    _________ _________ _________ the Green family staying in Qingdao?

2. The girl became a movie star when she was four years old.(就划线部分提问)

    _________ _________ the girl _________ a movie star?

3. Tom is 1.60 metres tall. John is 1.65 metres tall.(合为一句)

    John _________ _________ _________ Tom.

4. He began to write his first book when he was ten.(改为同义句)

    He started writing his first book ________ ________ _______ _______ ten.

5. It is about 300 kilometers from Haikou to Sanya. (就划线部分提问)

    _________ _________ is it from Haikou to Sanya?

6. My aunt bought me a new book yesterday.(改为一般疑问句)

     _________ your aunt _________ you a book yesterday?

7. They took the bus back to school.(改为同义句)

    They _________ to school _________ bus.

8. We need one teaspoon of milk shake.(对画线部分提问)

    How _________ _________ of milk shake do you need?

9. Does he watch TV every day?(用yesterday替换画线部分)

    _________ he _________ TV _________?

10. She is going to travel around the world.(改为同义句) 

     She is going to travel _________ _________ the world.

患者莫某，久咳不已，咳甚则气短自汗，舌质淡，脉虚弱微数。治宜选用（）。

A.止嗽散

B.九仙散

C.玉屏风散

D.炙甘草汤

E.补中益气汤

程序调试的任务是（　　）。

A．设计测试用例

B．验证程序的正确性

C．发现程序中的错误

D．诊断和改正程序中的错误

如果文件不完整，下述哪种方法不能解决该类问题（）。

A、从其它计算机上复制相关文件

B、用sfc.exe文件对不完整文件进行修复

C、用format对磁盘进行格式化

D、对不完整的文件进行改名，然后再做相关处理