骨的发育方式包括（）。 A.膜内生骨和骨内成骨 B.软骨内成骨和膜内成骨 C.骨内成

用所给单词的正确形式填空。

1. This machine ____________(use) for washing clothes. It is called "washing machine".

2. Now most work _____________(can do) by robots.

3. More and more trees ____________(plant) on the mountains soon.

4. There is another way of ____________ (work) out the problem.

5. Don't make them_____________(stand) long outside.

6. "Show me your _____________(driver) license." "Here you are."

7. There have been a few _____________(disagree) between the two parties.

8. I feel ________ (sleep); I'm going to lie down.

9. She tried to stop smoking, and she ________ (success).

10. The matter is of great ________ (important).

患者，男性，30岁，因"右眼被铁屑击入1天"就诊，到医院就诊拟诊为"右眼球贯通伤"。

眼球贯通伤是指（）

A.角膜穿孔

B.巩膜穿孔

C.虹膜穿孔

D.眼睑和眼球穿孔

E.眼球壁有两个全层伤口

书写媒介的优势和局限分别是什么？

材料、长度均相同而粗细不同的两根杆件，在相同的荷载作用下( )。

A．细杆刚度大，稳定性好

B．粗杆刚度大，稳定性好

C．细杆刚度小，稳定性好

D．粗杆刚度小，稳定性差

安全带的腰带必须是（）根。

A、1

B、2

C、3