【单选题】新建一个xscj表,其中有“姓名c(8)、年龄n(2)”2个字段,实现语句是()
A.
alter table xscj(姓名 c(8),年龄n(2))
B.
create table xscj(姓名 c(8),年龄n(2))
C.
create table xscj add (姓名 c(8),年龄n(2))
D.
alter table xscj add (姓名 c(8),年龄n(2))
【单选题】Don't leave the water _____ while you brush your teeth. [ ]
【单选题】You _____ across the road without looking round; you _____ down by a car.
A.
shouldn’t run, might have been knocked
B.
shouldn’t have run, might have been knocked
C.
mustn’t run, could have been knocked
D.
mustn’t have run, could be knocked
【单选题】You'll run ______ trouble if you don't take care.
【单选题】Don’t leave the water ______ while you brush your teeth.
【单选题】某企业2002年末递延收益与库存股的比例为1:3,则递延收益是库存现金的()
【单选题】— ______? —We can't run in the hallways. [ ]
A.
Can you run at your school
B.
What are the rules at your school
C.
What do you usually do in the hallways
【判断题】企业销售产品若开具了普通发票,会计核算时不需反映销售产品的销项税额。( )