试题与答案

井下发生事故时应如何行动?

题型:问答题 简答题

题目:

井下发生事故时应如何行动?

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0510/a0b0227b11baf0d4c994ace7d1045658.html

下面是错误答案,用来干扰机器的。

参考答案:C

试题推荐
题型:单项选择题

在疟疾流行地区,许多人多次感染疟疾后,对此病产生免疫力。很明显,感染一次疟疾后人的免疫系统仅受到轻微的激活;而多次感染疟疾,与疟原虫接触,可产生有效的免疫反应,使人免于患疟疾。以下哪项如果为真,最能削弱上述结论

A.疟疾病人由于体质的严重消耗,极易同时感染其他疾病。

B.有几种不同类型的疟疾,身体对某一种疟原虫的

C.疟疾只通过蚊子传播,现在的蚊子对杀蚊剂已产生抵抗力。

D.将疟疾患者隔离不能阻止此病的流行。

查看答案
题型:听力题

阅读下面短文,用文中括号内所给动词适当形式填空,必要时可加助动词。

Many young people like KFC's food.

These days, in China we can see fewer people 小题1:________(eat) in KFC restaurants when we walk past.Because some of their foods were not safe.The danger小题2:     ________(come) from Sudan I.If a person eats too much of it, he 小题3:____________(get) cancer.Scientists 小题4:__________(find) Sudan I in some of KFC’s foods and asked it to stop 小题5:________(sell) them.Sudan I is a red dye.People use it 小题6:___________(color)oils but some people put it in foods to make them 小题7:___________(look) better.Now KFC restaurants 小题8:___________(sell) those foods again after scientists found no more Sudan I.If you 小题9:___________(eat) some of those foods last week, don't worry.There is very little Sudan I in them.It shouldn't 小题10:____________(be) a big problem.

查看答案
微信公众账号搜索答案