下列茶叶中，属于不发酵茶类的是（）。
A.绿茶
B.红茶
C.白茶
D.乌龙茶
参考答案：A
The people upstairs __________ when I __________ to sleep last night.[ ]
A. danced; was going
B. were dancing; got
C. had danced; went
D. are dancing; get
下列哪一种不属于直接导入造影法
A．口服胆囊造影 B．钡餐检查C．PTC D．子宫输卵管造影E．椎管造影
ople upstairs __________ when I __________ to sleep last night.[ ]