中断是CPU对计算机系统发生某个事件时所做出的反应，而引起中断的事件被称为 ( )。
A. 中断处理
B. 中断源
C. 中断响应
D. 中断屏蔽
According to Paragraph 4, we can see that the author believes that ______.
A. The US is much more advanced in its health care system
B. American people are better at research than other people
C. new medicines are being developed all over the world
D. the newly developed technologies are aimed at curing fatal diseases
钉洞固位形不可设计在
A. 后牙牙尖处
B. 后牙牙尖间的沟窝处
C. 前牙舌面窝近舌隆突处
D. 前牙舌面切嵴与近远中边缘嵴交界处
E. 死髓牙的袷面
What do we learn about medical liability from the passage
A. its problem in washington has already been solved.
B. Its problem requires a national solution.
C. It mainly concerns the local governments.
D. It can be reformed quickly and easily.
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