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【单选题】
频率可用下列方式表示(c:光速,λ波长,σ:波数)为 ( )。A.
σ/c
B.
ν
C.
1/λ
D.
c/σ
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反馈参考答案：
举一反三
【简答题】以下合同条款分别是那种支付方式?
【单选题】若有下列定义,则对结构体成员引用错误的是() struct date { int year; int month; int day; }; struct student{ int no; char name[16]; date birthday; } stud;
A.
stud.no
B.
stud.name
C.
stud.birthday
D.
stud.birthday.year
【简答题】A．2 A.M. each day. B．In the morning. C．When the car is parked. D．When the neighbors' son leaves for work.
【简答题】When will seminars be held? From__________2 p.m every day.
【单选题】______is the Canada Day, the National Day of Canada.
A.
May 1
B.
July 4
C.
October 1
D.
July 1
【判断题】Canada Day celebrates the day when it became a kingdom within the British Empire in its own right.
A.
正确
B.
错误
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