哪种线虫卵自人体排出时，其卵内细胞可发育成蝌蚪状
A.蛲虫卵
B.蛔虫卵
C.鞭虫卵
D.钩虫卵
E.血吸虫卵
参考答案：A
You can buy things _____________ money. [ ]
A. in
B. with
C. to
D. and
方程12.5x=0没有解。[ ]
