哪些肠道蠕虫不能依靠粪检确诊？应选用什么方法？
参考答案：
蛲虫——用肛门拭子法；旋毛虫--用横纹肌活检或免疫学方法；猪带绦虫和牛带绦虫一用肛门拭子法。
-I went to see you yesterday evening. But you weren't in. Where were you then?
-I ___________ a walk by the lake with my husband.
[ ]
A. was having
B. am having
C. have had
D. have
我国小学阶段，德育内容主要体现在( )中。
A．班级教育活动B．思想品德课C．全校思想政治教育活动D．班会和校会
