搜题请搜索小程序“爱下问搜题”
问题 单项选择题

水泵试运转时，滑动轴承的最高温度不得（）。

A、＜20℃

B、＜35℃

C、＜60℃

D、＞60℃

答案

参考答案：D

完形填空
完形填空
       Li Lei, look _1  this picture. This is a   2  of a classroom. In the picture you can see chairs   3   desks. On the blackboard, you can see a tree. A map is   4   the-door. The room is different from    5   classroom. Under the   6   desk, there is a football,   7   you can't see it. The boy in the hat is my friend, Jack. He is a
new student. He is   8   American. Helooks   9   Kate. But they are not   10   .
( )l. A. in          
( )2. A. map        
( )3. A. or          
( )4. A. behind      
( )5. A. yours      
( )6. A. teacher's  
( )7. A. so          
( )8. A. a          
( )9. A. at          
( )10. A. boys       		B. on          
B. picture      
B. and          
B. in          
B. my          
B. teachers'    
B. or          
B. an          
B. the same    
B. twins        		C. at                
C. room              
C. but              
C. at                
C. me                
C. teacherof        
C. but              
C. the              
C. like              
C. students          
查看答案
单项选择题

皮损处于亚急性期时，宜选用（　）

A．软膏和乳膏剂

B．溶液剂

C．油剂

D．糊剂或粉剂

E．散剂
查看答案