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【简答题】
I have a good friend. 1 Chinese name is Da Shan and his 2 name is Mark Rowswell. He 3 from Canada. He can 4 English and French ( 法语 ). And he speaks Chinese very 5 . He likes China very much. Now he teaches English 6 Beijing. Da Shan 7 a big nose, big eyes 8 short brown hair. He has a happy family. His wife ( 妻子 ) is from Sichuan, China. They 9 two children. Da Shan’s father and mother are in Canada. But 10 like China, too. And they often come to China.
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举一反三
【单选题】He did poorly in his examination,______ how hard he had studied for them.
A.
considering
B.
to consider
C.
thinking
D.
regarding
【单选题】He did poorly in his examinations, ______ how hard he had studied for them.
A.
considering
B.
to consider
C.
thinking
D.
regarding
【单选题】在关系模式中实现“关系中不允许出现相同的元组”的约束是( )约束。
A.
候选键
B.
主键
C.
D.
超键
【单选题】若x、i、j和k都是int型变量,则计算下面表达式后,x的值是( )。
A.
(i=4,j=16,k=32)
B.
4
C.
16
D.
32
E.
52
【单选题】He did poorly in his examination, ______ how hard he had studied for them.
A.
considering
B.
to consider
C.
regarding
D.
to regard
【简答题】若x,ij和k都是int型变量,则计算表达式x=(i=4,j=16,k=32)后,X的值为( )。 A)4 B)16 C)32 D)52
【单选题】在关系模式中,实现“关系中不允许出现相同的元组”的约束是( )。
A.
候选键
B.
主键
C.
D.
任一键
【简答题】若x,ij和k都是int型变量,则计算表达式x=(i=4,j=16,k=32)后,X的值为( )。 A)4 B)16 C)32 D)52
【单选题】若x,i,j和k都是int型变量,则执行下面表达式后X的值为()
A.
32
B.
4
C.
16
D.
52
【单选题】在关系模式中,实现“关系中不允许出现相同的元组”的约束是:
A.
候选键约束
B.
主键约束
C.
外键约束
D.
任意键约束
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