下列会计报表中，属于反映企业在一定会计期间经营成果的会计报表是 ______。A．股

短文改错 (共10分,每小题1分,满分10分)

One day I happened to find a chatting room in                  1——    

my QQ，there people were chatting in English．I tried            2——

to chat with some of them．T0 my surprised，I found              3——     

the oral English of some junior students were better                4——

than me．I asked them for advice and they told me                5——  

to practise more on QQ. But every day after that I                 6——

would spend one hour practise my oral English on QQ．           7——    

Day by day I learned from many useful words and               8——      

expressions．With time went by．I found that I could             9——              

even communicate some college students freely．               10_____ 

一只钟的分针长8厘米，这根分针的尖端转动一周走过了25.12厘米______．（判断对错）

乙醇属于

A．湿润剂
B．吸收剂
C．黏合剂
D．崩解剂
E．润滑剂

制作广告底板的工具有：木工常用工具、电焊工常用工具、板刷、（）等。

A、油漆

B、白乳胶

C、油漆刷

D、防锈漆

自动喷水灭火管道中需要加工镀锌的管道，在其他管道未安装前应（）后进行二次安装。

A.试压

B.拆除

C.镀锌

D.焊接