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问题 单项选择题

急性腹膜炎发生严重休克的主要因素为

A．水和电解质紊乱

B．血容量减少和吸收大量毒素

C．腹腔内有无原发病灶

D．发病年龄不同

E．腹膜有无刺激征

答案

参考答案：B

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上周，我们举办了一次“我们城市的一些好场所” 问卷调查，请你根据下面的表格所提供的信息写一篇调查报告，字数为60-80词。
Place
Name
Reason
Supermarket
Sanjiang Supermarket
fresh vegetables, cheap, many kinds, good quality
Movie theater
Times Cinema
big screen, good sound, comfortable seats, new movies
Radio station
93.5 FM
much news, popular music, educational stories
Hospital
People’s Hospital
good equipment, friendly service, good doctors
Last week we did a survey about good places in our city. Here are the results.
                                                                 
                                                                      
                                                                    
                                                                   
                                                                    
                                                  
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单项选择题

已知一个牛干皮皮革加工厂的污水COD的排放标准为300mg/L，最高允许排水量为100m3/t，则其最高允许排放负荷为( )ks/t。

A．15

B．30

C．60

D．120
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