如果操作性条件反射被一种随后出现的强化物所强化,那么,将该强化物撤除,此操作性反应就会随之( )。
A.消退 B.自然恢复 C.类化 D.分化
参考答案:A
阅读短文,选择正确的答案。
This is my new bedroom. There is a small shelf on the desk. Two end tables are near the bed and a photo
is over the bed. The chair is in front of the desk. Look at my shoes. They are under the bed. I clean my bedroom
on Sunday. I empty the trash every day. Mom says I'm a helpful boy.
1. What's on the desk?[ ]
A. A computer.
B. A closet.
C. A shelf.
2. The photo is .[ ]
A. Near the bed.
B. On the bed.
C. Over the bed.
3. What can you do every day?[ ]
A. I can clean my bedroom.
B. I can empty the trash.
C. He can empty the trash.
4. Are you helpful at home?[ ]
A. Yes, I can.
B. Yes, I am.
C. No, I can't.
5. Where is the desk?[ ]
A. It's behind the chair.
B. It's near the shelf.
C. It's under the bed.
某项目现有甲、乙两个方案,各方案的费用分别为510万元、490万元,各方案的功能得分及重要度权数如下:
优选方案为()。
A.A
B.B
C.C
D.D