额定起重量为3000kg的叉车，走合期内的起重量不允许超过（）。A、1000kg B

动词填空

1. I hope you ________(telephone) me before you ________(return) to your hometown.

2. He ________(be) busy ________(write) a report on animals in danger between 7 and 9 o'clock

    yesterday evening.

3. The zookeeper told us ________(not make) any noise in the zoo.

4. Are you interested in ________(play) volleyball with us after school?

5. Sadly, people are keeping changing the wetlands ________(build) more farms and buildings.

6. My younger sister is beginning ________(learn) French.

7. The teacher told us that the earth ________(move) around the sun.

8. Jim with his friends often ________(listen) to the radio programme on English on Saturday evenings.

茧唇的发生与哪一因素有关：（）

A.嗜食辛辣

B.饮食不节

C.长期吸烟

D.遗传因素

E.环境因素

开发大型软件时，产生困难的根本原因是( )。

A．大系统的复杂性

B．人员知识不足

C．客观世界千变万化

D．时间紧、任务重

孔子《论语》的思想对后人影响深远。下面两个人名，取自《论语》，请你引用《论语》中的相关话语，对名字的含义加以解释。

（1）韩退之（韩愈）                                                          

（2）董乐山                                                                  

. (4 )

A．

B．

C．

D．