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【单选题】
下述命题错误的是( )A.
实数空间是A2空间
B.
实数空间是连通空间
C.
D.
实数空间不是A1空间
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【单选题】数据库执行SELECT查询语句时，各子句的书写先后顺序是：（）
A.
HAVING，WHERE，GROUP BY
B.
GROUP BY，HAVING，WHERE
C.
WHERE，GROUP BY，HAVING
D.
WHERE，HAVING，GROUP BY
【单选题】What is the challenge facing Stockholm County Council?
A.
How to control the growing number of intranet users.
B.
How to prevent teenagers in town from chatting on the Web.
C.
How to keep some information secret and accessible only to qualified people.
【简答题】在Excel 2007中,数据筛选的方法有()、()和()三种。
【单选题】The astronauts know ______ control the direction and the speed of the spaceship. [ ]
A.
how can they
B.
what's to
C.
how to
D.
what can they
【单选题】The passage mainly discusses how to control plant growth.
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】______ The author's purpose in writing this passage is to tell parents how to control and guide their children.
A.
T
B.
F
【简答题】How did the state control education?
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