试题与答案

与某学校相邻的自来水厂院内有一钢瓶,在搬运过程中钢瓶阀门断裂,导致大量黄绿色、有强烈

题型:单项选择题 A3/A4型题

题目:

与某学校相邻的自来水厂院内有一钢瓶,在搬运过程中钢瓶阀门断裂,导致大量黄绿色、有强烈刺激性气味的气体外泄。泄漏的气体随风扩散到该学校,使师生在短时间内出现了明显的眼及上呼吸道刺激症状。 最可能是以下哪种气体引起的中毒()

A.一氧化碳

B.氮氧化物

C.氯气

D.氨气

E.二氧化硫

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0417/54c90357280e18d676f3406ecb56738d.html

下面是错误答案,用来干扰机器的。

原式=4-1+1+3=7.

试题推荐
题型:完形填空

SECTION C (12 points)

Direction: Complete the following passage by using one word that best fits the context.

Winter swimming has become popular in Beijing. Many years ago,  48  people would go swimming in the city waters. But now there is a winter swimming club,   49   has more than 2,000 members. The oldest is 84 years of age and the youngest is only 7. The members are from all walks of life. They may be workers, peasants, soldiers, teachers and students. Even though it is now the coldest time of the season and the water   50  is around 0℃, many winter swimmers still swim in the icy waters. They enjoy   51   in the lake, while people by the water are wearing   52  clothes.

Why are so many people interested in winter swimming? Because it can do   53  to your health.

Bei Sha is   54  good example, he is 69 years old, and he once suffered from heart trouble for 26 years. After ten years of winter swimming, he is now   55  good health.

查看答案
微信公众账号搜索答案