阅读下列文段, 找出与文段相匹配的图片, 将文段的字母编号写在相应的括号内。

A. Which do you want? Delicious fruit and vegetables, or small colorful clothes? Both maybe. It would be cool to combine(结合) the two. A designer from the US makes it happen. The designer draws some sketches(素描) of girls on paper. Then, she uses fruit and vegetables to make shirts, pants and skirts.

B. Winnie the Pooh is a small yellow Teddy Bear. The first book about him came out in l926. He is 90 years old now. Can you believe that? Winnie lives in a big forest with his friends. They like to go on fun adventures(探险).

C. The rocks look like lovely faces. Aaron and his family put 500 rocks in a museum for people to see. But what about the other 500? The family hide them all over the city. Now parents and children in the city enjoy going out to find the little rocks.

现有两种玉米品种，一个纯种玉米性状是高产（A），非糯性（B）；另一个一个纯种玉米性状是低产（a），糯性（b）．两对基因独立遗传．为了响应市场需求，育种专家提出了如下图所示的甲、乙两种育种方法以获得高产糯性玉米新品种．问：

（1）要缩短育种年限，应选择的方法是____ ，该育种方法依据的变异原理是____ 

（2）（一）过程中，A和a的分离发生在____ 期．

（3）（二）过程采用的方法称为____ ；产生的单倍体幼苗特点为____ ．

（4）（三）过程最常用的化学药剂是____ ．该药剂的作用是____ ．

（5）（四）过程产生的高产糯性玉米植株中纯合体占____ ．如将（四）过程获得的高产糯性玉米植株自交，得到的后代中基因型及比例为____

区别人种的主要根据是