which of the following did not belong to romanticism?
A. Keats.
B. Shelley.
C. Wordsworth.
D. Defoe.
第1题:
They()some social work at the weekends.
A. do
B. does
C. did
第2题:
DID(Drug InduCedDiseases)( )。
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:
_________ she practice her violin yesterday? No, she _________.
A、Was, wasn’t
B、Did, didn’t
C、Was, didn’t
D、Did, wasn’t
第5题:
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)