救生艇在援救海上漂浮的遇难人员时,应从()向遇难人员接近。
A、上风
B、下风
C、任意方
D、A或C
参考答案:B
单词拼写。
1. If we solve the problem in this way, it may do more h_________ than good.
2. This is the home I have always d_________ of! When can we move in?
3. It is hard to imagine the pain and s_________ they went through.
4. The strom d__________ hundreds of houses.
5. Although he has some ___________ (缺点), I get along well with him.
6. Your health is ___________ (决定) in part by what you eat.
7. He offered __________ (指导) to poor black people on their legal problems.
8. In fifteen terrible seonds a large city lay in __________ (废墟).
9. Some of the rescue workers and doctors were ___________ (使陷入困境).
10. People began to wonder how long the __________ (灾难) would last.
SARS胸部X线检查典型的改变是()
A.肺纹理增粗
B.下叶肺泡渗出
C.炎症浸润
D.磨玻璃影及肺实变影
E.X线阴影的易变性