联合用药可发生的作用包括（）
A.拮抗作用
B.配伍禁忌
C.协同作用
D.个体差异
参考答案：A, B, C
max1000+plus控制系统中DPU模板的点检方法是（）.
用括号内所给单词的适式填空形空.
1. Nancy often _____ ( visit) her grandparents on weekends.
2. The old men have fun _____ (walk) in the qlet park.
3. A good _____ (begin) makes a good ending.
4. The little girl enjoys _____ (listen) to music.
5. Let me _____ (tell) you how to get there.
