简述元代绘画。

The 21st Century Fox has produced _____ it did last year. [ ]

A. twice more movies as

B. twice as much movies as

C. twice as many movies as

D. as twice movies as

草豆蔻的功效是

A．化湿、解暑、止呕
B．化湿、行气、止泻
C．燥湿、发汗、祛风湿
D．燥湿、温中、行气
E．燥湿、行气、安胎

阐述准静止锋天气特点。

可以治疗血证的通用穴位是（）。

A.委中

B.心俞

C.脾俞

D.膈俞

E.肝俞

在碘量法测定废水中的硫化物时，用（）来作滴定液。

A.硝酸铁溶液

B.硫化钠

C.次氯酸钠溶液

D.硫代硫酸钠