谈虎色变属于()。 A.无条件反射 B.第一信号系统的活动 C.条件反射 D.第二信 发布时间:2017-07-27 00:22 │ 来源:www.tikuol.com 题型:多项选择题 问题: 谈虎色变属于()。A.无条件反射B.第一信号系统的活动C.条件反射D.第二信号系统的活动
题型:多项选择题 选择恰当的答语。( ) 1. Who is in your classroom?( ) 2. What's this?( ) 3. Please show me your school.( ) 4. What time is it?( ) 5. When do you stay home?( ) 6. Is it a desk?A. Yes, it is.B. On Saturday and Sunday.C. OK.D. It's a window.E. Some boys and girls.F. It's five o'clock. 查看答案