进行性血胸剖胸止血适应证不包括（） A.胸腔闭式引流最初两小时血量超过250ml/h

Directions: Write an English composition in NO LESS THAN 120 WoRDS according to the instructions given

below.

     Supposing you are Li Hua, today your roommates and you talked about the thing you want to do most after

the College Entrance Examination. Now use your imagination to keep a diary to describe the conversation and

talk about your thinking. Other students' opinions are as follows:

     Xie Wei: I'll learn to drive.

     Li Jia: I'd like to lose weight.

     Zhang Yong: I want to work.

Notice: The beginning o f the diary is given to you as follows.

     April 8, 2010                                                                                                   Fine 

     What do you plan to do after the College Entrance Examination? Today we had a heated discussion about

the topic in the dormitory. __________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

上颌第二前磨牙单根单管者约占总数的（）。

A.48％

B.19％

C.29％

D.20％

E.4％

下列关于现值P、终值F、年金A、利率i、计息期数n之间关系的描述中，正确的是（）。

A.在P一定，n相同时，i越大，F越大

B.在F一定，n相同时，i越大，P越大

C.在F一定，i相同时，n越大，A越大

D.在i一定，n相同时，P越大，A越小

最高额抵押权设立后，什么情况下抵押权人的债权确定？

转换阀153转换至“空气位”时其切断的风路应为（）

A、均衡风缸与电空阀之间的通路

B、均衡风缸与制动管之间的通路

C、总风缸与均衡风缸之间的通路

D、制动缸管与电空阀之间的通路