选择题:人类和动物的条件反射活动的根本区别是() 题目分类:教师招聘 题目类型:选择题 查看权限:VIP 题目内容: 人类和动物的条件反射活动的根本区别是() A.第一信号系统 B.第二信号系统 C.反射的主观性 D.反射的条件刺激 参考答案: 答案解析:
There is a ________ in my neighborhood and I often go there to see tigers. There is a ________ in my neighborhood and I often go there to see tigers. 分类:教师招聘 题型:选择题 查看答案
Daniel has tried to lose ________ by eating less recently, but two kilos has bee Daniel has tried to lose ________ by eating less recently, but two kilos has been put on instead. 分类:教师招聘 题型:选择题 查看答案