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【单选题】
Which one of the following statements about cyclical unemployment is not correct?______.A.
Cyclical unemployment exists when there are more job vacancies than there are individuals looking for jobs.
B.
Cyclical unemployment exists when there is a GNP gap.
C.
Cyclical unemployment is not included in the natural rate of unemployment.
D.
The duration of cyclical unemployment is affected by the level of aggregate demand.
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皮皮学刷刷变学霸
举一反三
【单选题】关于课程的概念中正确的是（）
A.
教学大纲不能体现课程
B.
只有隐蔽课程的实施才会收到最佳的效果
C.
师生的教学单边活动是通过课程来实现的
D.
课程是学科教学与学生活动的集合体
E.
课程是显性课程和隐蔽课程的总和
【简答题】网络协议的三要素为() 、 () 和 ()
【单选题】The weather in the south is generally warm, but it________ be very cold sometimes.
A.
may
B.
shall
C.
will
D.
can