【单选题】以下() 函数,真正地没有返回值。
A.
a() { int a=2; return (a); }
B.
void b() { printf("c"); }
C.
int a() { int a=2; return (a); }
【多选题】市场调查问卷的设计应注意( )。
B.
问题排列须合理有序,并注意各个问题之间的逻辑性
D.
问题的数量不宜过多、过散;回答问题所用时间最好不超过半个小时
【多选题】市场调查问卷的设计应注意( )。
A.
问题排列须合理有序,并注意各个问题之间的逻辑性
C.
问题的数量不宜过多、过散;回答问题所用时间最好不超过半个小时
【单选题】根据烷烃的命名法,丁烷一定含有( )个碳。
【判断题】资金流动方向与结算工具的传递方向相同,称为“逆汇法”;资金流动方向与结算工具的传递方向相反,称为“顺汇法”。( )
【单选题】根据烷烃的命名法,丁烷一定含有()个碳。
【单选题】The third paragraph shows that in schools ______.
A.
sometimes pesticides should be used immediately
B.
the cost of using pesticides is vary high
C.
the laws about using pesticides are not properly observed
D.
using pesticides is a daily routine
【单选题】In the third paragraph, it is suggested that marketers
A.
should devise stricter social and financial categories.
B.
need to attract new categories of customers.
C.
should have a greater input in the design of products.
D.
need to expand their areas of activity.