下列各组词语中，没有错别字的一组是（ ）A A．惺忪　殴打　作践　短小精悍 B．

请根据句意及所给汉语提示写出单词。

1. It's time for class.                (停止) talking, children.

2. What will you do on                (星期四), Mary?

3. There are many big                (城市) in our county.

4. Peter is                (指) to those tall trees.

5. Mom, I                (需要) some water now.

6. I can see some purple                (葡萄) on the table.

7. Can he                (找到) his mother in the grocery store?

8. Don't                (跑) after that dog, Peter.

9. Look! There are a lot of sheep on the               (农场).

10. You should make a                (计划) for this trip.

11. Red is my                (特别喜爱的) colour.

12. We study                (努力地) in school.

13. May I                (邀请) Jim to my party?

14. The bus                (到达) at the stop at 7:00 yesterday evening.

15. He wants to                (离开) for Shanghai next Sunday.

16. Whose                (筷子) are these?

17. The girl likes to                (唱) songs.

18. He               (慢慢的) put up his right hand.

19. The sweater is too               (昂贵的) for me to buy.

20. My grandpa is reading the                (报纸).

21. Let's               (乘) a train to Beijing.

22. Look! There are many                (妇女) talking under the tree.

23. Please be                (安静的), the baby is sleeping.

24. Danny is                (发送) an e-mail to his friend.

25. I               (买) a yellow ruler yesterday morning.

I don't know where Mr. White has gone. You'd better ask ____. [ ]

A. else somebody

B. other somebody

C. somebody else

D. anybody else

急性肾小球肾炎患儿可恢复上学的标准是：您所选的答案（）

A.水肿消退

B.血压正常

C.血尿消失

D.尿阿迪计数正常

E.血沉正常

“若是轻生，彼何荣势之云哉？”此句的宾语是（）

A.之

B.彼

C.何

D.何荣势

与聚丙烯酰胺凝胶电泳的浓缩效应无关的因素是（）

A.凝胶层的不连续性

B.缓冲液离子成分的不连续性

C.电位梯度的不连续性

D.pH的不连续性

E.蛋白质分子大小