患者的性格常为内向性格，情绪不稳定、过度合作、服从、克制、无攻击性、谨慎、孤独、抑郁

根据句意及首字母提示在横线处填上恰当的单词，使句子意思完整，语法正确。

1.  China has become a m________of the WTO.  It will play a more important role in the world.    

2.  If you want to drive a car, first you must get a driving l________.    

3.  We are not a_______to speak Ioudly when we are in the school library.    

4.  At p________,he is not here.  He has gone abroad on business.    

5．Our parents e_______many real hardships（艰苦生活）and they think our life now is much better than before.    

6.  Many young people v_______to teach the poor children in the local area.    

7.  I can't c________on my work when I am hungry.    

8.  How are you getting along with your s________in your school?    

9.  If you have an o________to go abroad, take it please.    

10. Can you d________a house for me? I think it must be nice.

数字图像的灰度级数由每像素的位数决定，每像素的位数越多，图像的灰度级越多，显示的信息越多。

DICOM图像在存储时每像素实际占有的空间是（）

A.12位

B.13位

C.8位

D.16位

E.32位

按括号内的要求改写句子。

1. 1 watched TV yesterday.(就画线部分提问)

_____ _____you_____ yesterday?

2. The movie Titanic is exciting.(就画线部分提问)

_____ is the movie Titanic?

3. David went to the mountains on vacation.(改为一般疑问句)

_____David _____to the mountains on vacation?

4. He visited his friends yesterday.(改为否定句)

He _____his friends yesterday.

5. I don't like the man. He is not friendly.(改为同义句)

I don't like the man. He _____ _____.

简述院前急救的原则？

纯土子埝埝顶应超出推算最高水位（）。

A.1.2m

B.1.3m

C.1.5m

D.0.5～1.Om