与急性同种异基因移植物排斥关系最密切的细胞是()。
A.NK细胞
B.B细胞
C.CD8+T细胞
D.肥大细胞
E.嗜酸性粒细胞
参考答案:A
根据下列各句句意和空白之后的汉语提示词,在句子右边的横线上写出空缺处相应单词的正确、完整形式,每空只写一词。
小题1:_________ (星期四)is the day of the week after Wednesday and before Friday.
小题2:The article has been_________ (删除) before I could read.
小题3:He knows nothing about our new plan because he has been ___ (缺席) from work for days.
小题4:She always ________ (抱怨 ) about her husband.
小题5:We’re looking forward to _________ (收到)your reply as soon as possible.
小题6:Girls and boys should be treated _________ (平等地) in seeking employment.
小题7:The building was_______(毁坏)in the war, and it was rebuilt in 1960.
小题8:The custom has been kept up for ______ (十年).
小题9:He is lucky to win a_______(奖学金)to study further at Stanford.
小题10:Measures have been taken to clean the _________ (受污染的) rivers.
不同种生物的基因有较大差别,同种生物的个体之间,在基因组成上完全相同。[ ]