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【单选题】
[24-238]在数据库的三级模式中,外模式(用户模式或子模式)有A.
2个
B.
1个
C.
任意多个
D.
3个
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反馈参考答案：
举一反三
【单选题】听力原文： OK, everybody. Be quiet, please! Can we begin the meeting now? I am Mike Johnson, the chairman of the Graduation Committee for this year. I am honored to declare that all of you have been chosen...
A.
To determine who will graduate this year.
B.
To discuss the seating arrangement.
C.
To begin planning the graduation ceremony.
【单选题】若有以下程序段,则执行以下语句后 x,y 的值是分别是( ) int x=1,y=2; x=x^y; y=y^x; x=x^y;
A.
x=1,y=2
B.
x=2,y=2
C.
x=2,y=1
D.
x=1.y=1
【简答题】句型转换，每空一词。 1. Please be quiet. (改为否定句) quiet, please. 2.1 like to see pandas because they are lovely . (就画线部分提问) you like to see pandas? 3. He wants to see the animals in the zoo. (改为一般疑问句) he to see ...
【单选题】若有以下程序段,则执行以下语句后 x,y 的值是分别是( )。 int x=1,y=2; x=x^y; y=y^x; x=x^y;
A.
x=1,b=2
B.
x=2,y=2
C.
x=2,y=1
D.
x=1,y=1
【单选题】--- Please be quiet. We are not allowed _________ much noise in the reading room. - Sorry, I got it.
A.
making
B.
to make
C.
doing
D.
to do
【单选题】Please be quiet. We are not allowed _______ much noise in the reading room. [ ]
A.
to make
B.
make
C.
making
D.
to making
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