免疫活性细胞上的阿片样受体是存在于（） A.仅限于巨噬细胞 B._爱下问搜题

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问题单项选择题

免疫活性细胞上的阿片样受体是存在于（）

A.仅限于巨噬细胞

B.仅限于T细胞

C.仅限于B细胞

D.仅限于NK、K细胞

E.几乎所有的免疫活性细胞

答案

参考答案：E

选择题

It was Sunday and there were so many people in the streets that he found it difficult

to _____ to the post office. [ ]

A. make his way

B. find his way

C. feel his way

D. lose his way

问答题简答题

烟草育种学的任务？