当初步设计有详细设备清单时，可用来编制设备安装工程概算的方法是( )。A．设备费百

-I don't know how to write the article assigned by our professor on international trade.   

-You should have ______ your attention on the lecture that ______ how international situation affects

exports and imports across the globe.    [ ]

A. put; concentrate on  

B. paid; talked about    

C. fixed; dealt on  

D. focused; focused on

Don't ________ late for the meeting. [ ]

A. arrived

B. arrive

C. reach

D. get to

患者，男性，双眼畏光流泪，眼痛头痛，视力下降，检查所见：黑睛中部深层混浊，抱轮红赤，kp（＋），浮游物（＋），房闪（±），舌红苔薄黄，脉浮数。已确诊为"混睛障"，"继发瞳神紧小症"。

首选方剂是（）。

A.龙胆泻肝丸

B.银翘解毒丸

C.银花解毒汤

D.羌活胜风汤

E.丹栀逍遥散

I made a promise   anyone set me free I would make him rich.

A．as if

B．that if

C．which when

D．if

考古证实，我国最迟在( )已经出现城市。

A．夏代
B．商代
C．周朝
D．春秋时期