【单选题】
－Hello, may I talk to the headmaster now?－______________
①
Sorry, you can’t.
②
No, you cant.
③
Sorry，he is busy at the moment.
④
I dont think so.
【单选题】
Hello, may I talk to the headmaster now?
①
Sorry, he is busy at the moment
②
No, you can’t
③
Sorry, you can’t
④
I don’t know
【单选题】
学生表(id，name，sex，age，depart_id，depart_name)，存在的函数依赖是id→{name，sex，age，depart_id};dept_id→dept_name，其满足（ ）。
①
A.1NF
②
B.2NF
③
C.3NF
④
D.BCNF
【单选题】
Excuse me, sir. Where is Dr. Brown’s office?
①
You can’t ask me
②
Pardon? I have no idea
③
Please don’t say so
④
Sorry I don’t know, but you can ask the man over there
【单选题】
A: Would you like to go to the cinema? B: If I can finish my homework. A: [填空]
①
Why bother?
②
Oh, come on!
③
Then what?
④
Thanks a lot.
【单选题】
A: Would you like me to feed your cats while youre on your holiday? B: [填空].
①
I appreciate it, but Ive already fed them
②
No problem, I was more than glad to do it
③
Thanks for offering your help, but my sisters going to do it
④
Certainly, feeding cats is my favorite pastime