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下面程序片段输出结果是什么? int a=1,b=2; int &r=a; r=b; r=7; cout<
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举一反三
【判断题】Eugene O’Neil,Arthur Miller and Tennessee Williams are together called “founders of the American drama.”()
A.
正确
B.
错误
【单选题】All the firemen in the city were ______to fight against the big fire.
A.
called in
B.
called off
C.
called up
D.
called on
【单选题】What did scientists think was true?
A.
Each person has a fixed weight range．
B.
Each person has a weight ranged of 9 kg．
C.
Each person wants to control his weight．
D.
Each person wants to eat to his heart’s content．
【简答题】汽车采用无回油管的燃油系统主要是为了 油箱温升。
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