下列各项中，属于法律事实中事件的是（）。A.开始施工 B.签订合同 C.发生洪水 D

用所给单词的适当形式填空。

1. She _____ (return) the book to me yesterday.

2. The boy is the _____ (young) in our class

3. The Yellow River is the second _____ (long) river in our country.

4. That girl was born in _____ (Greek).

5. Our team _____ (win) a game last month.

6. This isn't take-away foot. It is home_____(cook).

7. When I opened the door, I found Sandy_____(play) on the floor.

8. Either my father or I _____ (work) on a farm this week.

9. My sister does some _____ (run) every morning, so she is very healthy.

10.Would you like _____ (have) dinner with me tonight?

按课文内容填空。     

1．葡萄沟五月有________               ，七八月有                、                 、                     ，到九十月份，人们最喜爱的                         成熟了。

2．到了秋季，葡萄                  挂在绿叶底下，有                    、                   、                   、               

          、                    ，                   ，美丽极了。

多发性硬化是一种（）。

A.螺旋体感染病

B.脱髓鞘疾病

C.维生素B₁₂缺乏病

D.脂类代谢病

E.神经系统变性病

哪些情况下稀油站补能强行开机？

膝关节脱位的原因下列哪项是错误的？（）

A.结构欠稳定

B.关节囊坚强

C.关节内韧带坚固

D.关节外韧带坚固

E.伸膝装置完善