树木的裂纹可分为（）A、径裂 B、枝裂 C、轮裂 D、干裂

Speaker A: Could I trouble you to return these two books for me Speaker B:_____

A．It's no trouble at all.

B．Yes, please.'

C．Why didn't you go to the library yourself

D．Sure, I'll be glad to.

国际上对计算机进行分类的依据是

A．计算机的型号

B．计算机的速度

C．计算机的性能

D．计算机生产厂家

The old man is badly hurt, we must send him to hospital _______.      [ ]

A. as soon as possible,

B. as possible as we can

C. as quick as possible

D. so quick

学生有下列哪种情况的不得享受困难补助？（）

A.学习不认真，一学年有1门及以上课程重修

B.未积极参加各种活动者

C.作弊或因违纪受到处分者

D.成绩不在全班加权平均分的1/3

有的教育保险提供教育金，还提供（）

A.医疗费

B.安家费

C.生育费

D.婚嫁金