对于基础服务产品，常见的服务交付件有（）和（）。
参考答案：定价建议书；技术建议书
The students in Class Two played baskeLball againstClass One yesterday, ______?[ ]
A. did they
B. didn't they
C. weren't they
教学改革方兴未艾。新的教学理念提倡设置三维教学目标，请你简述三维教学目标所包含的内容。
