环境知觉
参考答案:
环境知觉是人们在环境外观感觉的基础上对地理环境的整体认识和综合解释的过程。
—Why don't we just leave it until tomorrow?
—________ I'm dead tired today.
A.Forget it.
B.I couldn't agree more.
C.It all depends.
D.Don't mention it.
物体通过两个连续相等位移的平均速度分别为=10,=15,则物体在整个运动过程中的平均速度是()
A.13.75
B.12.5
C.12
D.11.75