失能性毒剂。

Everyone is thinking what question the teacher will__________ .  [ ]

A. say                            

B. tell  

C. ask                            

D. speak

The National Education Department says again school safety has set off alarm bells with frequent serious

accidents _____ students got injured or even killed. [ ]

A. that

B. when

C. in which

D. from where

世界各大洲中，人口超过一亿的国家最多的一洲是[ ]

A．亚洲

B．北美洲

C．欧洲

D．南美洲

以下哪些网上银行业务可不打印网银转账凭证（）。

A.同城他行转账

B.需要挂账的交易

C.系统内转账

D.他行支付系统转账

优化犯罪情报应用流程