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【单选题】
生石灰的分子式是( )
A.
CaCO 3
B.
Ca(OH) 2
C.
CaO
D.
CaSO 4
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参考答案:
举一反三
【简答题】She enjoys going to the ______ (健身房)in her spare time.
【简答题】外键关联是将一个表的主键与另外一个表的外键进行关联。因此,它使用( )标签配置。A. B. C. D.
【单选题】She enjoys going to parties and ______ in discos all night long.
A.
to dance
B.
dancing
C.
dance
D.
danced
【单选题】对所有的网络工程进行抽象,归纳出一种通用的组织形式,简称三方结构,以下哪个不是网络工程三方结构。
A.
甲方
B.
乙方
C.
监理方
D.
招标方
【单选题】属于串型特征的器官是
A.
脊髓
B.
C.
D.
E.
【单选题】__________ enjoys going to the gym early each morning.
A.
I
B.
She
C.
They
D.
We
【单选题】Elizabeth enjoys going to work in downtown New York
A.
The Watsons live in a small apartment in a suburb of New York City. The offices where Elizabeth works are in downtown New York, and she has to take a bus and two subway trains to go to work every day. It takes her about one hour to get there. She finds the trip boring and tiring. Elizabeth enjoys going to work in downtown New York A、Right
B.
Wrong
C.
Not mentioned
【判断题】外键是指一个表中含有与另外一个表的主键相同的列或列组,外键不要求惟一
A.
正确
B.
错误
【判断题】直接投资方式是通过购置有价证券进行的投资。( )
A.
正确
B.
错误
【单选题】Which of the following best describes the relation-ship between the McLaurin decision and the 1954 Brown v. Board of Education decision?
A.
The McLaurin decision superseded the Brown decision.
B.
The Brown decision provided a precedent for the McLaurin decision.
C.
The Brown decision reversed the McLaurin decision.
D.
The McLaurin decision limited the application of the Brown decision.
E.
The McLaurin decision provided legal authority for the Brown decision.
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