用 I have been doing 或I have done 填空。 A friend of yours is saving money to go on a world trip. You ask: How long ________ (you/save) money?
查看答案
用 I have been doing 或I have done 填空。 A friend of yours is saving money to go on a world trip. You ask: How much money ________ (you/save)?
用 I have been doing 或I have done 填空。 Some friends of yours are having a party next week. You ask: How many people _____________ (you /invite)?
有下列函数调用语句,函数fun1()的实参个数是( )。fun1(a+b,y*x,fun2(y,n,k));
A. 3
B. 4
C. 5
D. 6
下列函数调用错误的是()。
A. max(a,b)
B. max(3,a+b)
C. max(3,5)
D. floatmax(c,5)