* * 脱落细胞检查常用的染色法有（） A.Cram染色 B.抗酸染色 C.Papani

Mum__________ me to school as she knew it was important for me to receive education，but we were so poor then．

A．had sent

B．sent

C．would have sent

D．would send

—Can you come for dinner on Saturday or Sunday?

—I’m afraid _______day is possible.

A．either

B．neither

C．some

D．any

决定爆炸品具有爆炸性质的主要因素（）。

A、爆炸品的化学组成和化学结构 

B、爆炸品密度 

C、爆炸品结晶

I        of money every month.I cannot save a single penny. [ ]

A.run out

B.go out

C.give out

D.lose out

保护生态环境就是保护什么？老百姓过去“盼温饱”，现在盼什么？过去“求生存”，现在求什么？