面对当前世界范围的金融危机，国家能采取的财政政策一般有
A增加税收 B增加财政支出
C下调存贷款基准利率 D加大金融信贷规模
答案：B
—What time does Alice usually go to school?
—She usually ______ to school at seven o'clock [ ]
A. go
B. goes
C. to go
D. going
常用的吸附分离设备有哪几种类型？
