事业单位拨款收入主要包括【】
A.财政补助收入
B.附属单位缴款
C.经营收入
D.拨入专款
E.上级补助收入
参考答案:A,D,E
—Have you known Dr. Jackson for a long time?
—Yes, since she _________ the Chinese Society.
A.has joined
B.joins
C.had joined
D.joined
平准器利用劈刀对通过其上方的烟丝束()进行修剪。