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【单选题】
若有以下函数定义: void f(int x,float y ){...} 若以下选项中的整形变量a和实型变量b都已正确定义且赋值,则对函数f的正确调用语句是A.
f(int a,float b);
B.
void f(a,b);
C.
k=f(a,b);
D.
f(a,b);
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反馈参考答案：
举一反三
【简答题】A．At least once a month. B．At least twice a month. C．At least once a year. D．At least twice a year.
【单选题】The lazy boy ate the _____ food, but did the _____ work. [ ]
A.
most, most
B.
least, least
C.
least, most
D.
most, least.
【单选题】Which of the following does the passage mention as necessary for both the production of oxygen by photodissociation and the production of oxygen by plants?
A.
Water
B.
Hydrogen
C.
Carbon dioxide
D.
Nitrogen
【单选题】---Thank for the ride home! -----______, which of the following is wrong?
A.
Don’t mention it.
B.
Not to mention
C.
Not at all
D.
That’s all right.
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