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【简答题】
已知学生表S和学生选课表SC。其关系模式如下: S(SNo,SN,SD,PROV) SC(SNO,CN,GR) 其中,SNO为,SN为姓名,SD为系名,PROV为省区,CN为课程名,GR为分数。 试用SQL语言实现下列操作: (1).查询“信息系”的学生来自哪些省区。 (2).按分数降序排序,输出“英语系”学生选修了“计算机”课程的学生的姓名和分数。
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举一反三
【单选题】How about going hiking with us?
A.
Sounds good to me.
B.
No,I don’t like it.
C.
It’s very kind of you.
D.
You spend money again.
【单选题】The mother hopes World would teach the boy all of the following EXCEPT ____________.
A.
to have faith in his own ideas
B.
to sell his strength and intelligence to the person that offers the highest price
C.
to put a price on his heart and soul
D.
to close his ears to crazy troublemakers
【单选题】—How about going camping with us this weekend? —_____
A.
Is that right?
B.
I’d like to, but I have no time.
C.
What are you planning?
D.
What’s for?
【单选题】My mother insisted the coat ____ me quite well and that I ____ it when attending assembly.
A.
fit; wore
B.
fitted; wear
C.
should match; wear
D.
matched; wore
【判断题】如果一份工作的三字码与你的兴趣匹配度较低,那么你在这份工作中的稳定性较低。
A.
正确
B.
错误
【单选题】Mother hopes her son will ______ doing anything rash.
A.
keep from
B.
avoid from
C.
ask from
D.
protect from
【判断题】埋置式桥台相对于普通桥台,可以减小土对桥台位移的影响。
A.
正确
B.
错误
【单选题】Lily:How about come to dinner with us tonight?Ann:__________.A.I like toB.1 will#
A.
Lily:How about come to dinner with us tonight?Ann:__________. A.I like to
B.
1 will
C.
That’s a good idea
D.
I'm afraid not
【判断题】如果一份工作的三字码与你的兴趣匹配度较低,那么你在这份工作中的稳定性较低。
A.
正确
B.
错误
【单选题】My mother hopes you_______ to my home.
A.
to come
B.
is going to come
C.
will come
D.
will can come
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