建设江西首个风力发电厂“大岭风电场”的意义和作用是什么？

治肺肾虚的虚喘劳嗽，久咳不止宜选

A．蛤蚧

B．冬虫夏草

C．核桃仁

D．A+B

E．C+D

句型转换。    

1.   Many students ride to school. (改为同义句)       

      Many students go to school           _.    

2.   Mr Black goes to work on a bike. (对划线部分提问)     

                            Mr Black go to work?    

3.   He usually walks home after work. (改为同义句)    

      He usually goes home                        after work.    

4.   It takes me two hours to get to school. (对划线部分提问)   

                It         you to get to school?    

5.  He usually goes to school by bike. (变为否定句)

     He                     go to school by bike.

真空定径法

原油馏塔在结构上常是带有多个侧线抽出的复合塔。

通工业水的坏冷却壁水管，在休风时应（），送风时（），避免向炉内大量漏水。