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问题 单项选择题

见光易分解，应装在有色密封瓶中保存的药物有（）。

A.肾上腺素、去甲肾上腺素

B.组织胺、胎盘球蛋白

C.阿斯匹林片、干酵母片

D.四环素、红霉素

E.毛地黄、奎尼丁

答案

参考答案：A

补全对话，情景问答
从B栏中找出与A栏相对应的答语。
                                  A
( )1. What are your favourite clothes?              
( )2. I like your skirt.                            
( )3. I like skirts.                                
( )4. Whose pants are these?                        
( )5. Is this your hat?                            
( )6. What' s your favourite colour?                
( )7. How many trees can you see in the picture?    
( )8. Are they new?                                
( )9. Do you like English?                          
( )10. Thank you very much.                         		                                  B
A. No, it isn't. It's too big.            
B. Thanks.                                
C. We're the same.                        
D. You're welcome.                        
E. Yes, I do. Very much.                  
F. Yes, they're new. They're from my mom.
G. Shirts are my favourite clothes.      
H. Red.                                  
I. They are Li Ming's.                    
J. I can see six.                        
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选择题

下列关于磁场的表述不正确的是（　　）

A．磁场既有方向又有强弱，都可通过磁感线来表示

B．磁感线是用来描述磁场的一些假想曲线，磁感线可能会相交

C．地磁北极在地理南极附近，因此水平静止的指南针的南极指向地理南极

D．磁体的周围存在着看不见、摸不着，却真实存在的磁场
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