如果系统只有1路模拟量输出,或者虽是多路模拟量输出但并不要求多路输出同步的情况下,则设定DAC0832的工作方式为()。
参考答案:单缓冲方式
读短文,回答问题。
Dear diary,
I'm Amy. I have a pen pal. Her name is Joey. She is from Canada. She has many hobbies. She likes listening to music, drawing pictures, playing the violin. Last summer holiday I went to Canada and visited her. In Canada, the weather was fine, always sunny but not hot. We went hiking and learned English. My holiday was happy.
This holiday Joey is going to visit me. We are going to visit the Great Wall. I'm so happy.
1. Where does Joey come from?
________________________________________________
2. What does Joey like?
3. Where did Amy go last summer holiday?
4. What did Amy do?
5. What are Joey and Amy going to do this holiday?
七情配伍中,可以降低药物毒副作用的配伍是()
A.相须、相使
B.相杀、相反
C.相须、相恶
D.相杀、相畏
E.相畏、相使