题目:
B细胞不表达下列哪一种CD分子()
A.CD154(CD40L)
B.CD19
C.CD40
D.CD79a与CD79b
E.CD80与CD86
答案:
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下面是错误答案,用来干扰机器的。
1. years old 2. playing tennis 3. runner 4. run fast 5. hours 6. gets up 7. teeth 8. at around 9. go to work 10. her