抗体与抗原结合的部位是 A．VL和VH区 B．CHl区 C．绞链区 D．CH3区 E 发布时间：2017-01-14 07:51 │ 来源：www.tikuol.com 题型：单项选择题 问题： 抗体与抗原结合的部位是A．VL和VH区B．CHl区C．绞链区D．CH3区E．CD4区
题型：单项选择题 选词填空。用方框中所给单词的适当形式填空，使短文通顺，正确，连贯(每个单词限用一次)。 thank, racket, they, have, great, but, parent, I, nine, dear __1__ Mary, __2__ for the photo of your family. Here is __3__ family photo! These are my __4__ .This is my sister, Mona. This is my brother, Tony. Tony likes sports very much. He has a __5__ sports collection. He has eight tennis __6__ , __7__ basketballs, and seven baseballs. He__8__ three soccer balls and five volleyballs. __9__ he doesn't play sports-he only watches __10__ on TV. I love my family so much! 查看答案