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【单选题】
Listento a talk about why people are often irrational. Based on what you hear, matchthe questions with the answers by placing a letter next to the number. 1 ( ) According to the speaker, howcan people behave in a rational way? 2 ( ) What are the consequences ofpeople’s irrational behavior? 3 ( ) What has MIT Professor Ariely discovered? 4 ( ) What is the example in thetalk regarding irrational behavior? 5 ( ) What does the speaker sayabout this irrational behavior?A.
People tend to behave irrationally in a predictable fashion.
B.
People should act according to logic and reason required in a situation.
C.
It causes problems to themselves as well as to others.
D.
He doesn’t think this irrational behavior is always intentional.
E.
If a person knows someone suffers from a disease, he will feel he suffers from the same disease.
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【判断题】基因型为aabbcc的桃子重120克,AABBCC桃子重210克。各基因对以相加方式决定桃子的重量,那么每个有效基因(显性)决定的桃子重量是15克
A.
正确
B.
错误
【单选题】基因型为aabbcc的桃子重120克,AABBCC桃子重210克。各基因对以相加方式决定桃子的重量,则每个有效基因(显性)决定的桃子重量是:
A.
14
B.
15
C.
16
D.
17