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问题 选择题

在两对相对性状的遗传实验中，可能具有1:1:1:1比例关系的是

①杂合子自交后代的性状分离比 ②杂合子产生配子类型的比例 ③杂合子测交后代的表现型比例 ④杂合子自交后代的基因型比例 ⑤杂合子测交后代的基因型比例[ ]

A．①②④

B．②④⑤

C．①③⑤

D．②③⑤

答案

答案：D

多项选择题

环境价值的恰当度量是人们的最大支付意愿，即一个人为获得某件环境物品（服务）而愿意付出的最大货币量，影响支付意愿的因素有（）以及对该环境物品的了解程度等。

A.收入

B.个人独特偏好

C.政府指导价格

D.教育

E.年龄
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单项选择题

Just how does a person arrive at an idea of the kind of person that he is He develops this (1) of self through a gradual and complicated (2) which continues throughout life. The notion is an (3) that one establishes only with the help of others. (4) the elementary knowledge that one is short or tall is a comparative judgment that we cannot make (5) we have the opportunity to (6) ourselves with others. One’s idea of qualities which are harder to (7) is even more dependent upon other people’s ideas.

Whether one is intelligent, or stupid; attractive, or ugly; these and many other ideas of the self are (8) from the reactions of people with whom we (9) This process of (10) the nature of the self from the reaction of others has been labeled the "Looking-glass Self" by Cooley, who carefully analyzed this psychological (11) of self-discovery.

Just as the picture in the mirror gives an image of the physical self, (12) the perception of the reactions of others gives an image of the social self. We know, (13) , that we are good at certain things and not at others. This (14) came to us from the reactions of other persons, first our parents and then other individuals (15) in life. It should be remembered that, as other people’s reactions could be (16) and understood in more than one way, the looking-glass self with which the individual (17) may easily differ from the image others have actually formed of his (18) Clearly, it is our perception of the responses of others and not their (19) responses that (20) our self-image, and these perceptions are often not accurate.

3（）

A.illusion

B.image

C.incident

D.issue
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