莱姆病的诊断主要根据()
A.慢性游走性红斑
B.有流行病学资料
C.感染组织特异性抗原
D.特异性IgM、IgG抗体
E.博氏包柔螺旋体
参考答案:A, B, C, D, E
She has a pen in one of her hands, but what's that in her______hand?[ ]
A. one
B. another
C. the other
D. other
发送电子邮件时,一次只能发给一个接收者。 ( )