第12题:[单选题]For better classroom management, what should the teacher do while the students are doing activities? A.Participating in a group. B.Preparing for the next procedure. C.Circulating around the class to monitor, prompt and help. D.Keeping an eye on the students. 参考答案:C 本题考查课堂管理。
当学生做任务时,教师可以巡视课堂,以观察学生完成任务的情况,并及时提供帮助。故正确答案为C项。
第31题: [单项选择]Which of the following best describes the anther’s tone in this passage A. Optimistic. B. Critical. C. Objective. D. Arbitrary. 参考答案:C 答案解析:[解析] 本题对作者的态度进行提问。从文章的最后一段来看,作者对用核武器来改变小行星运行轨道的行为持的是反对态度,作者引用一篇文章中的话表达了自己的观点和态度:“The world has less