下列物质中,不能用作饮用水的净水剂是 [ ] A.福尔马林 B.明矾 C.漂白粉

题型:选择题

问题:

下列物质中,不能用作饮用水的净水剂是 [ ]

A.福尔马林

B.明矾

C.漂白粉

D.氯气

考点:水的净化
题型:选择题

I am a Chinese boy. My name is Li Lei. I am twelve. My sister’s name is Li Mei. She’s Fourteen. Li Mei and I are students. We like school.   My mother is a teacher. She is a teacher of English. My father is a policeman. My young brother’s name is Li Hong. He is only four. We all like him.

小题1: Li Lei is _________.

A.Japanese

B.English

C.American

D.Chinese小题2:Li Lei’s sister is__________.

A.four

B.twelve

C.fourteen

D.eleven小题3:Li Lei’s mother and father are__________.

A.student and teacher

B.policeman and student

C.all teacher

D.teacher and policeman小题4:_________like school.

A.Li Mei and Li lei

B.Li Hong and his mother

C.Li Lei and his father

D.Li Mei and his mother小题5:How many brothers does Li Lei have?

A.Three.

B.Two.

C.One.

D.Four.

题型:选择题

How are the twin brothers?  They are _____ fine.[ ]

A. all    

B. both    

C. either    

D. neither

题型:选择题

确诊伤寒最有力的论据是()

A.长程稽留高热、相对缓脉

B.政瑰疹

C.血象中白细胞减少,嗜酸粒细胞消_失

D.肥达反应阳性

E.血培养阳性

题型:选择题

下列不是学校健康教育意义的是()。

A.受教育者群体数量庞大

B.学校健康教育影响人的整个生命周期

C.学校健康教育能教给学生知识

D.学生通过向成年人传递健康信息,促使教育效果向社会辐射

E.能建立学生良好的审美观和艺术欣赏能力

题型:选择题

女性,34岁。主诉:低热、盗汗半年,交替性腹泻和便秘3个月就诊入院。请针对该案例,说明问诊内容与技巧。

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