问题 单项选择题 A1/A2型题

与抗原的免疫原性无关的物质特性是()

A.异物性

B.分子的大小

C.分子的化学结构

D.分子的立体结构

E.物质的纯度

答案

参考答案:E

解析:抗原的免疫原性是指抗原诱导宿主产生免疫应答的能力。某一物质是否具有免疫原性是物质本身所具备的条件决定的,包括异物性、分子大小、物理性状、化学结构。

写作题

孩子的成长和教育是社会热议的话题,现今父母包揽一切、孩子过度依赖等现象十分严重。请阅读下面的漫画,按要求用英文写一篇短文。

内容要求:

1.描述漫画内容;

2.分析漫画所揭示的问题;

3.提出你的看法。

注意:

1.短文开头已给出,不计入总词数;

2.考生可适当发挥,使文章内容充实、连贯;

3.词数120-150左右;

4.文中不能出现考生的具体信息。

参考词汇:红地毯red carpet     铺路pave the way 

From the picture, we can see a family of three walking on a long red carpet.

                                                                                

                                                                                

                                                                                

                                                                                

                                                                                

                                                                                

                                                                                

                                                                                

                                                                                

                                                                                

                                                                                

                                                                                

判断题