白细胞黏附缺陷症()。
A.CD34
B.CD117
C.两者都有
D.两者都无
参考答案:B
I don't think this pen is quite good. Please show me _____, madam.[ ]
A. others
B. the other
C. another
D. other
疟疾是由下述哪种虫媒叮咬传播疟原虫引起的寄生虫病()
A.蜱
B.伊蚊
C.库蚊
D.按蚊
E.白蛉