儿童做了好事之后,老师及时给予表扬,这在行为主义中被称为()
A.反映
B.刺激
C.联结
D.强化
参考答案:D
如图所示的甲乙两支温度计是利用液体______的性质制成的,其中,可以离开被测物体来读数的是______,其中乙温度计测水温度时读数是______.
-I don't know about you, but I'm sick and tired of this weather.
-_______. I can't stand all this rain.
A.I don't care
B.It's hard to say
C.So am I
D.I hope not