小儿脾经位于:
A.腱鞘囊肿疼痛剧烈者B.腱鞘囊肿小而平者C.腱鞘囊肿大而坚硬者D.腱鞘囊肿无明显不适者E.一般腱鞘囊肿
参考答案:A
B细胞通过()识别()抗原分子,而T细胞通过()识别由()向它呈递的抗原。
________ are a good student. We all like ________. [ ]
A. They; them
B. He; him
C. She; her
D. You; you