Why did you pick this organization?
第1题:
A. don’t
B. does
C. did
第2题:
_________ she practice her violin yesterday? No, she _________.
A、Was, wasn’t
B、Did, didn’t
C、Was, didn’t
D、Did, wasn’t
第3题:
16、已知Sid商店,Pid商品编号,Cid商品名称,Did经营部,Mgr经营部经理,Scale经营部规模。下列属于3NF的关系模式是_________。
A.R(Sid,Pid,Cid,Did,Mgr,Scale)
B.R(Sid,Pid,Did)
C.R(Sid,Pid,Cid,Did )
D.R(Sid,Pid,Did,Scale)
第4题:
You'd better ______ now.
A、does
B、doing
C、do
D、did
第5题:
You look() What()you()?
Atire;did;do
Btiring;have;done
Ctired;do;do
Dtired;have;been doing
第6题:
已知Sid商店,Pid商品编号,Cid商品名称,Did经营部,Mgr经营部经理,Scale经营部规模。下列属于3NF的关系模式是_________。
A.R(Sid,Pid,Cid,Did,Mgr,Scale)
B.R(Sid,Pid,Did)
C.R(Sid,Pid,Cid,Did )
D.R(Sid,Pid,Did,Scale)