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【简答题】
某种具体行为可以避开某种不愉快的后果，就会增加该行为重现的概率。这种现象称为（）强化。
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举一反三
【简答题】下列不属于塑料模具结构零件的作用的是()? A装配 B定位 C安装 D成型
【多选题】What are the different types of fever?
A.
Continuous fever like pneumonia, scarlet fever and typhus
B.
Remittent fever like typhoid
C.
Sepetic fever and intermittent fever like malaria
【简答题】What kind of person is most likely to catch a cold? [A] The person who has a mild fever for a few days. [B] The person who carries viruses capable of producing colds. [C] The person who spends most of...
【单选题】— ________ Maria from Japan? — Yes, ________.
A.
Are; they are
B.
Is; she is
C.
Does; she does
【简答题】阅读理解。 Sometimes, people are not clear about what kind of food is healthy and what kind of food may do harm to our health. The USDA has prepared a food guide to help people learn about which kind of fo...
【单选题】—What's the matter? —_____. [ ]
A.
I have fever
B.
I am fever
C.
I am a fever
D.
I have a fever
【单选题】What does the news item say about the poverty in Japan?
A.
In terms of poverty, Japan ranks fourth among developed countries.
B.
The poverty was mainly because of the inflation.
C.
There are many kids wandering in the streets for begging.
D.
The Japanese often complained about their embarrassing situations.
相关题目：
【单选题】—What's the matter? —_____. [ ]
A.
I have fever
B.
I am fever
C.
I am a fever
D.
I have a fever
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