下列哪些物质是缩血管性的（）。 A.血栓素A（TXA2） B.前列环素（PGI2）

Ten  years ago  the  population  of our village was ____ that of theirs.   [ ]

A. as twice large as            

B. twice as large as    

C.twice as much as            

D. as twice much as

句型转换。

1. Funky Fashions has the worst clothes in town. (改为一般疑问句)

    ______ Funky Fashions ______ the worst clothes in town?

2. Mike's hair is 5cm long. Jack's hair is 6cm long. (合并为一句话)

    Mike's hair is ______ ______ ______.

3. The hotel is about 180 yuan a night. (对划线部分提问)

    ______ the ______ ______ the hotel a night?

4. I think Jason's has the best quality in town. (改为否定句)

    I ______ think Jason's ______ the best quality in town.

5. This jacket is cheaper than that one. (改为同义句)

    That jacket is ______ ______ than this one.

容积计量单位有千升（kL）、升（L）、毫升（mL），1L等于（）。

A、10mL

B、100mL

C、1000mL

D、10000mL

公序良俗

关于子宫收缩力异常，说法不正确的是（）

A.子宫收缩力异常可分为子宫收缩乏力和子宫收缩过强两类

B.子宫收缩乏力又分为协调性子宫收缩乏力和不协调性子宫收缩乏力

C.协调性子宫收缩乏力又称高张性子宫收缩乏力

D.协调性子宫收缩乏力可分为原发性宫缩乏力和继发性宫缩乏力

E.不协调性子宫收缩过强可出现子宫痉挛性狭窄环