搜题请搜索小程序“爱下问搜题”
问题 填空题

（    ）和（    ）统称整式。

答案

单项式；多项式

补全对话，情景问答
从II 栏中找出与I 栏中问句相对应的答语。
                         I
（     ）1. What date is it?                          
（     ）2. Where are my shoes?                       
（     ）3. Is she going to the zoo?                  
（     ）4. Did you have a good time last Saturday?   
（     ）5. When's your birthday?                     
（     ）6. When did Jim play the violin?            
（     ）7. Whose gloves are bigger, yours or his?   
（     ）8. What would you like as a birthday present? 		                 II
A. I'd like a Japanese cartoon.   
B. His, I think.                
C. It's on the 10th of September.   
D. Yesterday afternoon.            
E. No. She's going to the park.      
F. Yes, I did.                    
G. It's the third of March.       
H. Behind the door.                 
查看答案
单项选择题

螺旋是一种省力的机具，螺旋实际上是（）的变形。

A、斜面

B、杠杆

C、弹簧

D、滑轮
查看答案