患者，男，30岁，右胫腓骨闭合性骨折行手法复位小夹板外固定24小时后，出现患肢持续性

成年女性。缺失，三臂卡，，间隙卡环，初戴一周后，诉义齿游离端压痛，咀嚼不适。口腔检查发现，义齿密合，固位稳定良好，咬合无早接触，基托伸展不影响软组织活动，缺隙区粘膜无明显压痛，红肿或溃疡。

根据肯氏分类法，患者属（）

A．肯氏一类，第一亚类

B．肯氏二类，第一亚类

C．肯氏三类，第二亚类

D．肯氏四类，第一亚类

E．肯氏四类，第二亚类

煤的黏结指数测定过程中，要用到秒表。

Now my father _____ his bike to work every day instead of driving. [ ]

A. ride

B. rode

C. rides

D. will ride

用所给词的正确形式填空。

1. They can plant _____ ( hundred) of trees every year.

2. —Is Beijing _____ ( hot) than Wuhan？

    —No, it isn't.

3. the building here is rnuch _____ ( high) than that one.

4. Washington D. C. and New York are big _____ (city) on the east coast of the USA.

5. The town _____ ( have) a population of 2 thousand people.

6. An elephant is _____ ( heavy) and _____ ( strong) than a sheep.

7. My classroom is bigger than _____ ( she).

8. Which problem is _____ ( easy), this one or that one?

蛋白质的营养作用可概括为三个方面，即（）。

A、参与代谢的调节作用

B、促进脂肪的消化吸收

C、提供修补与构成畜体组织器官的物质

D、提供能量