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问题 单项选择题

蒸汽压与密闭容器的大小及液量无关，仅取决于( )，其升高时，蒸汽压( )。

A．压强，增大
B．温度，增大
C．温度，降低
D．压强，降低

答案

参考答案：B

判断题

强制性认证适用于一般性产品。（）
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改错题
短文改错。此题要求改正所给短文中的错误。对标有题号的每一行做出判断：如无错误，在该行右边
的横线上画一个勾(√)；如有错误(每行只有一个错误)，则按下列情况改正：
该行多一个词：把多余的词用斜线(＼)划掉，在该行右边横线上写出该词，并也用斜线(＼)划掉。
该行缺一个词：在缺词处加一个漏词符号(∧)，在该行右边横线上写出该加的词。
该行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。
注意：原行没有错的不要改。
     All hopes were not lost. Soon after the quakes,    
the army sended 150,000 soldiers to Tangshan to help 
the rescue workers. Hundreds of thousands on    
people were helping. The army organized teams     
to dig out those were trapped and to bury         
the dead. To the northern of the city, most of the  
10,000 miners were rescued by from the coal mines   
there. Workers built shelters for survivors their   
homes had destroyed. Fresh water was taken       
to the city by train, truck and plane. Slow, the    
began to breathe again.                               		1. _______     
2. _______      
3. _______        
4. _______        
5. _______                                          
6. _______      
7. _______        
8. _______        
9. _______        
10. _______        
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