A:DE=EB
B:2 DE=EB
C:3 DE=DO
D:DE=OB
比一比,再组词
左____ 明____ 立____
友____ 朋____ 拉____
—She's fine. She used to ______ TV at home after supper. But now she is used to ______ out for a walk.
在下列蛔虫的形态结构特点中,哪项是不属于适于寄生生活的( )