问题 选择题

下列植物的繁殖方式,不属于无性生殖的是(   )

A.椒草的叶能发出芽和根,长成新植株

B.玉米种子能萌发,长成新植株

C.马铃薯块茎的芽眼里能发芽,长成新植株

D.柳条插在土里能生根,长成新植株

答案

答案:B

题目分析:椒草是利用叶和根等营养器官进行繁殖,属于无性生殖,A不符合题意;玉米种子是由受精卵等结构发育来的,有两性生殖细胞的结合,属于有性生殖,不属于无性生殖,B符合题意;C和D都是用茎繁殖,属于无性生殖,C.D不符合题意,故选B

阅读理解

The need for love is deeply rooted in the human psyche(灵魂).   小题1:  According to psychologists, separateness means to be cut off, helpless and alone in the world. It is the source of all anxiety.

 小题2:  It can be selfish and possessive, or unselfish and giving. Abraham Maslow distinguishes between two kinds of love: B-love or “being love” means love for another person: unselfish love not dependent upon your own needs. D-love or “deficiency-love” is a selfish possessive love which is based upon someone else’s ability to satisfy your needs.

D-love is conditional. It depends upon whether personal needs continue to be met. But B-love is unconditional.   小题3:  Furthermore, as it depends upon who you are, it is possible only when you allow yourself to be known to the other person.

The psychologist Erich Fromm also distinguished between two types of love.   小题4:  Symbiotic union is an immature love based upon the satisfaction of needs and is similar to Maslow’s concept of D-love.

Mature love, on the other hand, is a relationship that allows individuals to retain(保持) their independence, their identity, and their integrity. In mature love people can overcome their sense of separateness yet continue to be themselves. The immature lover would say, “I love you because I need you,” but the mature one: “ 小题5: 

A.These two types are quite different from each other.

B.There are two types of love.

C.I need you because I love you.

D.Love is a way of overcoming the feeling separateness.E.Every one of us needs love.

F.It depends not upon what you do, but who you are.

G.They are immature love, called by him symbiotic union(共同体), and mature love.

单项选择题 共用题干题