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【判断题】
分销主体一般是指商业企业,其流通过程可用G-W-G表示。
A.
正确
B.
错误
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【单选题】听力原文:W: Oh I really like your top. Where did you get it? M: I got it from 'Topman'. It was on sale, reduced from 80 pounds to 50. Q: How much was the man's top? (13)
A.
it was 50 pounds.
B.
it was 80 pounds.
C.
it was 20 pounds.
D.
it was 40 pounds.
【单选题】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.
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】氨茶碱的平喘机制是
A.
激活腺苷酸环化酶
B.
抑制腺苷酸环化酶
C.
激活磷酸二酯酶
D.
抑制磷酸二酯酶
【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】氨茶碱的平喘机制是
A.
激活腺苷酸环化酶
B.
抑制腺苷酸环化酶
C.
抑制磷酸二酯酶
D.
激活腺苷受体
E.
激动 β 受体
【单选题】氨茶碱的平喘机制是
A.
激活腺苷酸环化酶
B.
抑制腺苷酸环化酶
C.
激活磷酸二酯酶
D.
抑制磷酸二酯酶
E.
激活腺苷受体
【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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