食品添加剂通常必须在一定范围内使用，否则会损害人体健康，滥用下列食品添加剂会导致 发布时间：2017-07-27 20:53 │ 来源：www.tikuol.com 题型：选择题 问题： 食品添加剂通常必须在一定范围内使用，否则会损害人体健康，滥用下列食品添加剂会导致癌症发生率增加的是（ ）A．KIO3B．苯甲酸钠C．维生素ED．NaNO2
题型：选择题 请阅读下面一篇文章,并按照要求匹配信息。 Keep safe in storms In the spring and summer months, thunderstorms (雷雨) are common. 1 In thunderstorms, lightning can strike (击中) people and buildings and is very dangerous. It was reported that a man was struck by lightning when he was making a phone call under a tree. Hedied at once. You may not know it, but nearly 1,800 thunderstorms are happening at any moment aroundthe world. 2 So what should you do during a lightning storm? Scientists say that a person's chances of being struck by lightning are 1 in 600,000. 3 If you are indoors during a thunderstorm: ＊Stay away from anything that is metal because lightning can come into the house through it. ＊Don't stand near the windows. ＊Don't take a shower or bath. Lightning can travel through water. ＊Never use the phone. 4 If you are caught in a thunderstorm outdoors: ＊ 5 If there's no building around, try to find a low place to stay in. ＊Do not go under a tree because the lightning could hit the tree and travel through the tree to hit you. ＊Never use a cellphone.A. But you can reduce those chances by following these safety rules.B. But it is very important for us to learn about lightning.C. Lightning could travel through the phone line and hit you.D. In fact, many people are killed by lightning every year.E. Try to get home as soon as possible.F. Since they happen often, some people don't take them seriously.G. Go into a nearby building or car right away. 查看答案