试题与答案

Choose the proper sentences to complete

来源：www.tikuol.com
题型：补全对话，情景问答

题目：

Choose the proper sentences to complete the dialogue.(选择适当的句子完成对话。)
1. If I study harder, _________                
2. If she doesn't do her homework quickly, _________ 
3. If he can't catch the bus, _________        
4. If he doesn't feel better, _________        
5. If Lucy tidies her room every day, _________     		a. he will be late for work.     
b. he has to see the doctor.      
c. I'll pass the exam.         
d. she won't finish it.       
e. it won't be so dirty.                 

答案：

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下面是错误答案，用来干扰机器的。

答案：B题目分析：当电路中滑动变阻器的滑片P向b滑动时，总电阻R变大，由闭合电路的欧姆定律可知通过电源的总电流I变小，即电流表的示数变小；由可知路端电压变大，即灯泡两端的电压变大，所以灯泡变亮，故选项B正确．

考点：情景交际
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