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【单选题】
海王星的体积约是地球体积的( ) 倍。A.
10
B.
23
C.
57
D.
68
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反馈参考答案：
举一反三
【简答题】数据处理(Data Processing)是对数据 的过程。
【单选题】__ , it was the wrong time to open a new data processing ( 数据处理 ) center in this city.
A.
In due course
B.
On occasion
C.
In retrospect
D.
Somewhat
【单选题】April Fools' Special: History's Hoaxes Happy April Fools' Day. To mark the occasion, Notional Geographic News has compiled a list of some of the more memorable hoaxes in recent history. They are the l...
A.
Y
B.
N
C.
NG
【单选题】Traditionally in West, people usually play ____ on April Fools' Day.
A.
funs
B.
jokes
C.
fool
D.
Fools
【简答题】, it was the wrong time to open a new data processing ( 数据处理 ) center in this city.
【单选题】有一个学生表student,包含主键S#(学生编号)等。又有分数表SC,包含S#(学生编号)、score(分数)等。已知student表中共有50个学生,有45人参加了考试(分数存在SC表中),其中10人不及格。执行以下SQL语句:select * from student where S# not in (select S# from SC where score<60 ), 可返回______...
A.
45
B.
50
C.
10
D.
40
【单选题】April Fools' Special: History's Hoaxes Happy April Fools' Day. To mark the occasion, National Geographic News has compiled a list of some of the more memorable hoaxes in recent history. They are the l...
A.
Y
B.
N
C.
NG
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