If a child is bitten or startled several times by a dog, he may learn to associate furry (有毛皮的) animals with pain or startle and thus develop a fear of furry animals. This is a typical example of learning through ______.
A. classical conditioning
B. operant conditioning
C. both A and B
D. neither A nor B
Jay Belsky implies that the study of child care ______.
A. was never carried out in the past
B. was not much done in detail in the past
C. was greatly ignored by psychologists and researchers
D. was interesting, but very difficult to make discovery
For two students ad D would be more economical than ad C because ______.
A. they would share a room
B. the basic expenses are cheaper
C. there are no extras except for food
D. there is free use of the garden
The main purpose of this passage is to ______.
A. teach children how to learn to produce and experience certain emotions
B. give the common reader a general description of two basic kinds of learning
C. give parents some advice on how to modify their children's emotions through learning
D. discuss with psychologists how positive and negative feelings are produced
微信支付 
支付宝支付