T、B细胞表面共有的标志是()
A.CD3
B.PWM-R
C.绵羊红细胞受体
D.补体受体
E.CD80分子
参考答案:B
It must be very ______ to watch a close game between the two basketball teams.
A.excited
B.exciting
C.bored
D.boring
脑出血
A.头痛伴癫痫发作B.月经期发作频繁C.头痛伴剧烈呕吐D.头痛伴视力障碍E.头痛伴神经功能紊乱