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【单选题】
每秒正弦量变化的次数成为（）？A.
周期
B.
角频率
C.
频率
D.
相位
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Did the woman meet the new teacher?
A.
No, she didn't.
B.
Yes, she met him three days ago.
C.
No, the new teacher has been sick for three days.
【简答题】假设所有变量均为整型,则表达式(a = 2, b = 5, b ++, a + b)的值是
【单选题】Why won’t the man go with the woman? A. He will meet Peter. B. He is going to Scotland. C. He has to handle a car accident.
A.
B.
C.
D.
D
【单选题】a. The programme isn’t showing on Saturday. b. He’ll meet the woman on Saturday. c. The man has to help someone on Saturday. d. His cousin arrives on Saturday.
A.
a
B.
b
C.
c
D.
d
【单选题】Why can't the man meet the woman now?
A.
He has to attend a party.
B.
He has to meet a friend.
C.
He has to make a presentation.
D.
He has to finish an assignment.
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