多项选择题

升级投诉的查证要求是（）：

A、明确问题责任归属
B、确保和解材料真实性
C、确保查证情况真实性
D、查证结果准确完整

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单项选择题

I. Vocabulary and Structure
Directions: There are 10 incomplete sentences in this part. For each sentence there are four choices marked A), B), C) and D). You should choose the best one based on the Chapter you have finished watching and studying.
1. So Shanghai Expo was World’s Fair in history.
A、the most large
B、more larger
C、the largest
D、the larger

单项选择题

修饰的基本要求有( ) A. 修饰可在任何地方完成，患者应有满意的静态和动态坐位平衡 B. 修饰最好于洗漱间里完成，患者应有满意的静态和动态坐位平衡 C. 修饰所必需的全部工具可以放在任意地方 D. 尽量使用正常的修饰工具 E. 修饰用的工具越大越好