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【单选题】
某工程师在不影响本职工作情况下，在另一单位兼职并利用兼职单位的物质技术条件研制出一项发明，则对该发明申请专利的权利属于(11)。A.
原单位
B.
兼职单位
C.
双方共有
D.
该工程师
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【简答题】根据某些条件对一个关系作水平分解，选择符合条件的元组组成一个新的关系，这样的操作称为（ ）。 A）投影 B）选择 C）等值连接 D）自然连接
【单选题】听力原文：W: Michael, would you like to eat out tonight? M: Oh, I'd really like to, but I have promised my sister to see a movie with her tonight. Q: What will the man do this evening? (4)
A.
To visit his sister.
B.
To eat out with the woman.
C.
To see a movie with his sister.
D.
To eat out with his sister.
【单选题】— I like speaking better than listening in English learning. —Oh, really? I think you should be good at of them.
A.
both
B.
neither
C.
some
D.
all
【简答题】根据某些条件对一个关系作水平分解，选择符合条件的元组组成一个新的关系，这样的操作称为（ ）。 A）投影 B）选择 C）等值连接 D）自然连接
【单选题】–I am twelve and I like English. -- Oh, really? I am twelve and I like English.
A.
also; also
B.
too; too
C.
also; too
D.
too; also
【单选题】—I’ve been invited to a department party tonight. Are you going to come? — Oh, I’d really like to, but I have a ton of work. ___________________.
A.
Thank you anyway
B.
You’re welcome
C.
All right.
D.
With pleasure.
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