【单选题】The teacher should divide students into different groups, _______mentors for each group, and assign each group to a classroom at the beginning of the camp.
【多选题】侗锦以动物纹样和植物纹样为主,辅之以抽象的几何纹样用于角隅和边缘饰,而( )和( )则不多见。
【简答题】考虑无限大平板两面加热(或冷却)的过程,问什么情况下可按薄材分析处理?什么情况下可按半无限大体分析处理?
【简答题】Match the terms on the first group with the descriptions on the second group. Each description should be used only once.
【简答题】Each group should ____(提交) a report to the teacher after the survey.