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问题 单项选择题

Interrupt Service Routines (ISR) are the portions of the program code that handle the interrupt requests. When an Interrupt is triggered(either a hardware or software interrupt), theprocessor breaks away from the current task, moves the ______ to the ISR, and thencontinues operation. When the ISR has completed, the processor returns execution to the previous location.

A．memory

B．function

C．instruction pointer

D．variable

答案

参考答案：C

改错题
短文改错。
     Two American were traveling in Spain. One morning they           
came into a little restaurant at lunch. They didn't know Spanish,
and their waiter didn't know English. They wanted him            
understand that they wanted some milk. At the first they pronounced
the word "milk" many times. Then they spelled it. But the        
waiter could not understand him. At last one of them took a      
piece of paper and begin to draw a cow. He was finishing his     
drawing when the waiter looked at it and ran out the restaurant. 
The waiter was back again some times later, but he               
took no milk. He put down in front of the two                    
men two tickets for a bullfight.                                  		1.______      
2.______     
3.______     
4.______     
5.______                                          
6.______    
7.______    
8.______    
9.______      
10.______

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单项选择题 A1/A2型题

荧光光谱是物质分子（）。

A.接受了火焰的热能而发射出的光谱

B.接受了电的热能而发射出的光谱

C.接受了电能而发射出的光谱

D.接受了光源的光能而发射出的光谱

E.接受了光源的激发光光能而发射出的光谱
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