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问题 单项选择题

将小鼠B细胞注入家兔体内，产生免疫反应后，家兔血清能使小鼠T细胞凝集成细胞集团。而未经免疫的家兔血清不能使小鼠T细胞凝集成团。T细胞凝集现象的出现是因为（）

A.小鼠B细胞诱导家兔产生细胞免疫

B.小鼠T细胞诱导家兔产生体液免疫

C.小鼠B细胞和小鼠T细胞有相同抗原

D.小鼠T细胞和家兔T细胞有相同抗原

答案

参考答案：C

解析：由题意分析可知，小鼠B细胞刺激后产生的抗体能与小鼠T细胞凝集成细胞集团，说明小鼠B细胞和小鼠T细胞有相同抗原，故C正确。考点：本题考查免疫的相关知识，意在考查考生理解所学知识的要点，把握知识间的内在联系的能力。

阅读理解

读短文，判断正误。      

     Chinese people had calendars for a very long time. They watched the

sun and the moon and then made the calendar. They called it the "moon"

calendar. Every year they have 12 months. But sometimes they had 13

months. They also had weeks in the calendar.  Each week there were seven

days. Now Chinese people still use the "moon" calendar for important holidays,  

1. Chinese people called their calendar the "moon" calendar.         Yes口   No口

2. They had 13 days every month.                                                Yes口   No口

3. They didn't have weeks in the calendar.                                     Yes口   No口

4. Chinese people don't use the "moon" calendar anymore.            Yes口  No口
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单项选择题

对本行政区域内向个人消费者提供互联网药品交易服务的企业进行审批（）

A．县级药品监督管理部门

B．地市级药品监督管理部门

C．省级药品监督管理部门

D．国家食品药品监督管理局

E．药品监督管理部门
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