ⅠFill in the blanks with the proper words.

A. Reading

The “monster of Lake Tianchi” is 1____ in the news again after several recent sightings. The monster seemed to be black 2___ color. It 3____out of the water like a seal. Although no one really got a clear 4____ at the mysterious creature, a local photographer 5_____ that its head looked like a horse.

In another recent 6______, a group of soldiers claim they saw an animal 7______ on the surface of the water. It was greenish-black creature and had round head 8______ 10-centimetre horns.

A third report came from Li Xiaohe. He claims to have seen the creature moving quickly through the water. After three or four hundred meters it 9_____ into the water. Ten minutes later the monster 10____ again and repeated the action.

There have been reports of monsters in Lake Tianchi since the 11________ of the last century. Some photos have been 12______. Many people think that the monster may be a 13______ cousin of the Loch Ness monster in Scotland. Scientists, however, are 14_______. They say that the low-temperature lake is unlikely to be able to support such large living creatures.

Lake Tianchi is the highest volcanic lake in the world. It 15___an area of about 10 square kilometers.

（）是中断装置的职责

A.检查有无中断事件发生

B.把出现的中断事件存入当前PSW中

C.把被中断进程的PSW保存到该进程的进程控制块中

D.把中断处理程序的PSW存入程序状态字寄存器中

E.分析并处理出现的中断事件