在示波管中,电子枪在2s内发射了6×1013个电子,则示波管中的电流为。

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在示波管中,电子枪在2s内发射了6×1013个电子,则示波管中的电流为        

考点:实验:练习使用示波器
题型:填空题
完形填空。
     Mr. Fox comes to Miss Hare's    1    and says, "Hi, Miss Hare, Mrs. Duck has six eggs, do you know?
Let's go there and…"
     "I don't    2    to go. I am resting (休息)." Miss Hare says.
     "They are very big and very nice." Mr. Fox says, "If you don't    3    them, you will feel    4   .
     "If I want, I will sit here and look out from my windows." Miss Hare says.
     "You are lazy thing!" "Yes, I am lazy." "Well, you sit on my back and I    5    you to Mrs. Duck's house."
Mr. Fox says.
     "OK, let me ride on your back." Miss Hare says and    6    onto Mr. Fox's back. On the way to Mrs. Duck's
they meet Mrs. Duck.
     "What's    7   , Miss Hare?" Mrs. Duck asks.
     "Nothing. He asks me to see your eggs." Miss Hare says. 
     "Eggs?    8    Eggs? I don't know!" Mrs. Duck asks, "Who tells you, Mr. Fox?"
     "I…I    9   ." says Mr. Fox with a red face.
     "It doesn't matter" Miss Hare says, "It's not   10   to ride a fox. But I do!" Miss Hare laughs.
( )1.  A. house    
( )2.  A. need     
( )3.  A. look     
( )4.  A. happy    
( )5.  A. carry    
( )6.  A. ride     
( )7.  A. this     
( )8.  A. Which    
( )9.  A. forget   
( )10. A. hard     
B. family        
B. have      
B. find      
B. fine      
B. bring     
B. runs      
B. that      
B. What      
B. don't    
B. bad       
C. water         
C. want          
C. look for      
C. not well      
C. ask          
C. jump          
C. it          
C. Where          
C. am not     
C. easy       
D. over           
D. love          
D. see           
D. sorry         
D. let           
D. jumps               
D. wrong       
D. What about            
D. am          
D. different  
题型:填空题

I don’t think this question is worthy ___.

A.to consider

B.to be considered

C.considering

D.of considering

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葡萄胎刮宫术后,黄素囊肿消退常需要多长时间()

A.1~2周

B.4~5周

C.6个月

D.2~4个月

E.8周

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西方国家的“三权分立”并不是什么神秘的东西,它和中国儿童游戏中的“锤子、剪刀、布”同一原理,即一物降一物。对此种说法你认为()

A.正确,讲出了三权分立的实质

B.贴切,道出了三种权利之间的关系

C.不妥,三种权利的关系不是简单的单向制约

D.不妥,三种权利的关系应是你中有我我中有你

题型:填空题

油品中的水分是怎么来的?

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