搜题请搜索小程序“爱下问搜题”
问题 单项选择题

若计算机系统有五级中断，预先安排的优先级从高到低为1→2→3→4→5。在操作过程中利用屏蔽技术，处理中断4时屏蔽3，5级中断，则在响应中断时从高到低的顺序是( )。

A．1→2→3→4→5

B．1→2→4→3→5

C．1→2→3→5→4

D．1→4→2→3→5

答案

参考答案：B

完形填空

阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。

Why is pink or purple a color for girls and blue or brown for boys?

The answer depends largely    小题1:   cultural values as well as personal experiences. To the Egyptians, green was a color    小题2:   represented the hope and joy of spring, while for Muslims, it means heaven. Red is a symbol of good luck in many cultures. During the Spring Festival in China, children    小题3:  (give) money in a red envelope to bring good fortune in the New Year. For many nations, blue is a symbol of protection and religious beliefs. Greek people often wear a blue necklace hoping to protect    小题4:   against evils（灾祸）.

People’s    小题5:  (choose) of colors is also influenced by their bodies’ reactions toward them. Green is said to be    小题6:   most restful color. It has the ability to reduce pain and relax people both mentally    小题7:   physically. People    小题8: (work) in green environment have been found to have fewer stomach aches.

Red can cause a person’s blood pressure to rise and increase people’s appetites（食欲）. Many decorators will include different shades of red in the restaurant. And many commercial websites will have a red “Buy Now” button because red is a color that    小题9:  (easy) catches a person’s eye.

Blue is another calming color. Unlike red, blue is believed to cause people to lose appetite. So    小题10:   you want to eat less, some suggest that eating from blue plates can help.
查看答案
填空题

空军部队包括（）、（）、（）、（）、雷达兵以及电子对抗兵、通信兵、工程兵、防化兵等部（分）队组成等。
查看答案