问题 多项选择题 案例分析题

某小学学生因饮用桶装纯净水而引发症状,听同学反映水有大蒜样异味并得到老师证实。首发病例于上午10时左右在饮用桶装纯净水后,临床表现为腹痛、恶心、无呕吐和腹泻及其他有意义的体征,以后陆续有同班和相邻班级学生发病,发病最短潜伏期为5min,最长为8天,事件发生当日学校即更换了纯净水,但发病一直持续到8天后,累计发病67人。事发后老师和诊治医生认为此次发病是由有异味的纯净水引起的,少数老师提问学生来统计发病人数。

提示:实验室检测纯净水中致病菌和化学毒物没有阳性发现。学校可采取的措施有()。

A.广播提醒学生注意食物卫生

B.采用提问方式调查发病人数

C.改为提供开水

D.更换纯净水

E.加强宣传教育

F.停课

答案

参考答案:C, E

阅读理解

阅读理解。

     Li Hong is still excited talking about a Chinese class two years ago.

    "It was time to talk about poems (诗歌). But our teacher asked us to go to the class blog (博客). A

website for our class", Li said.

     Her teacher, Song Ying, put some nice poems on the blog. The class talked freely about each poem.

     Li is a shy girl. And she doesn't often put her hand up in class. But that time it was different."I typed in

what I thought about the poems. The teacher typed back and said I was doing well"

     A blog is like a diary on a website. It has messages about lots of different things kept by date."On our

school's blog, everyone must use his real name. That's how it is different from other online talks," said

Zhang Liang, a teacher at the school.

     Each class has its own blog. They have lessons on the blog. After school students can still talk to each

other or to their teachers about problems in study or life.

1. What made Li Hong so excited about her Chinese class?

A. The teacher talked about poems.

B. She could write out what she thought of the poems on paper

C. She talked about poems in her class openly.

D. She used the Internet to talk about poems.

2. What do you know about a blog?

A. It's a diary.

B. It's like a diary online.

C. It's a book on the Internet.

D. It's the Internet.

3. How is the school blog different from other online talks?

A. It's only used in school.

B. Only teachers and students can use it.

C. Everyone must use his real name.

D. They can have lessons on the blog.

4. What do the students think of the class blog?

A. It's helpful.

B. It's helpless.

C. It's mysterious (神秘地).

D. It's a waste of time

5. What do the students think of the class blog?

A. They have lessons on the blog.

B. They can talk to each other after school.

C. They can talk to their teachers about problems in study or life.

D. A, B and C.

单项选择题