从产生中断的方法来分，8086的中断可分为哪两大类？
参考答案：可分为硬件中断和软件中断两大类。
地高辛对心脏的作用不包括（）
A.加强心肌收缩力
B.减慢心率
C.减慢传导
D.抑制左心室肥厚
E.降低自律性
句型转换。
1. My mothcr has some sugar in her pocket. (就画线部分提问)
________ ________sugar________your mother________in her pocket?
2. Her fricnd is at home today. (用yesterday替换today)
Hcr friend________ ________ ________ ________.
3. Mr Wu goes to work by car. (改为同义句)
Mr Wu________ ________ ________ .
4. He is a boy, and I'm a boy, too. (改为同义句)
________ he ________ I________ ________
