网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
They()some social work at the weekends.
A. do
B. does
C. did
参考答案
更多 “ They()some social work at the weekends.A. doB. doesC. did ” 相关考题
考题
Any discussion of the American educational system would be less than complete if it did not mention the emphasis that many colleges and universities place upon the nonacademic, social,“extracurricular”aspect of education, often defined as personal growth.
考题
()you()Jane last month? B: No, I().
A、*/saw/didn’tB、Did/see/didn’tC、Did/saw/didn’tD、id/see/did
考题
_________ she practice her violin yesterday? No, she _________.A、Was, wasn’tB、Did, didn’tC、Was, didn’tD、Did, wasn’t
考题
A: I’d like ________ information about the school. B: You could have ________ word with the schoolmaster.
A.some / aB.an / someC.some / some
考题
The project required ten years of diligent research.A:hardworking
B:scientific
C:basic
D:social
考题
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)
考题
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)
热门标签
最新试卷
