—May I have your pen? —______.[ ] A. Yes

已知长方形面积为9a²-16，若一边为3a+4，则另一边长为______．

29. They made many records, _____ they will always be remembered.

A．for that

B．to which

C．for which

D．to that

蛋白质一能量营养不良属中医"疳证"范围，主要病变部位在( )

A．脾肺
B．肝脾
C．脾胃
D．心肝
E．心脾

哈希函数

什么叫润滑工作的“五定”“三过滤”？