赠与合同的概念和特征

要想改变三相异步电动机的旋转方向，只要将原相序U—V—W改接为（）即可实现。

A.V—W—U

B.W—V—U

C.W—U—V

D.可以任意连接

哪种药有解毒辟移，活血消肿之功（）

A．归脾汤 

B．丹栀逍遥散 

C．龙胆泻肝汤 

D．左归丸合小金片 

E．右归丸合小金片

短文改错

     Dear Jim,

     I am so exciting that you will come to China.I will free from December 18 and will have a plenty of

time to be together with you.I'll meet you at the airport and then you will take Bus No.8 for my home.You

worry about the weather here in your email.In fact,the weather here is quite different from it in your city.

It isn't very cold,but you needn't bring many clothes with you.During your stay here,I'll take you to some

places of interests and you can taste some local snacks.I am sure we will have greatly fun together.

Looking forward to meeting you soon.

     John

改错：________________________________________________________________________

对于现代大型火电机组的锅炉控制系统的两个主柱是炉膛安全监视系统和（）。

A.数据采集系统

B.顺序控制系统

C.协调控制系统

D.旁路控制系统

要把维护人民健康权益放在重要位置，按照保基本、（）、建机制的要求，统筹安排、突出重点、循序渐进，进一步深化医疗保障、医疗服务、公共卫生、药品供应、监管体制综合改革。

A、强社区

B、强城乡

C、强基层

D、强农村