杯状花序中每朵雄花（）。
A.无花被
B.仅一枚雄蕊
C.无花柄
D.无花托
E.A和B
F.A、B、C和D
参考答案：E
—Where did you go for your winter vacation?
—My family went to Paris. _______ had a great time. [ ]
A. He
B. She
C. We
D. They
一氯三氟甲烷
