我国提倡通过何种途径获得供体移植器官（） A.自愿捐献 B.互换器官 C.器官买卖

用所给词的适当形式填空。

       Maybe every Chinese knows the story of Hua Mulan. No one    1   (know) if the story is true.  But

people still love it.    

       In the story, Mulan's father had to fight for the king. But he was too sick to fight, so Mulan dressed

up(打扮）as a man and   2    (join) the army. She fought for over ten years and she was very   3    

(success). The story shows that womencan do as    4   (well)  as men even in the war.      

       People try to use different ways    5   (tell) the story of Mulan.  Some tried to tell it in the way of an

opera-Chinese Opera Mulan Psalm. And they really made it. Even Japanese people like it very much.

苯二氮卓类的药理学作用中，不包括（）

A.抗焦虑作用

B.镇静和催眠

C.肌肉松弛

D.抗惊厥

E.改善记忆

膜内成骨

同步发电机组是通过（）来改变离心式调速器的调速特性的。

A.单片机

B.伺服电动机

C.电磁阀

D.飞轮机构

下列有关作业层、斜道的栏杆和挡脚板的说法中，正确的是（）

A、栏杆和挡脚板均应搭设在外立杆的外侧

B、栏杆和挡脚板均应搭设在外立杆的内侧

C、上栏杆上皮高度应为1.2m

D、挡脚板高度不应小于180mm

E、中栏杆应居中设置