溶组织内阿米巴的致病阶段是
A.肠腔内滋养体
B.四核包囊
C.无鞭毛体
D.组织内滋养体
E.速殖子和缓殖子
参考答案:D
It was after he went to college __ he realized the importance of forming a reading habit.
A.that
B.when
C.since
D.as
计算个人所得税时,以每次收入额为应纳税所得额的是( )。
A.财产转让所得 B.稿酬所得C.个体工商户的生产、经营所得 D.股息红利所得