我国面点的风味流派基本形成于（）。
A、汉代
B、隋唐五代
C、宋元时代
D、明清时代
参考答案：D
急性胆囊炎的常见症状不包括
A．右上腹痛B．右肩背痛C．脐周痛D．畏寒、高热E．恶心、呕吐
For many years, people（）electric cars. However, making them has been more difficult that predicted.
A.had dreamed of
B.have dreamed of
C.dreamed of
D.dream of
