不属于金融期货交易制度的是()。
A.逐日上市制度
B.连续交易制度
C.限仓制度
D.保证金制度
参考答案:B
The flowers were so lovely that they __________ in no time.
A.sold
B.had been sold
C.were sold
D.would sell
灌注水下混凝土时,当灌注开始后,能否中途停工?