癌症严重威胁着人类的健康，不当的饮食会增加癌症发生的可能性。日常生活中，为预防癌症的发生，应尽量避免摄入（    ）

    You have this Life.You were born for this Life.You want some people to be in your Life, but they don't. ⑴You don't want some people to be with you, but they do.

    You are endeavouring（竭尽全力） to come out of certain conditions of your life.But you are forced to live with them.You try your best to get something. ⑵但是你却最终都得不到。 ⑶You don't want to go outside in the Rain, but sometimes you have to.You are looking forward to something to happen, but it always disappoints you.You never expect something to happen in your life, but they do appear when you are oblivious of those happenings.Sometimes you get things what you don't ask for, but you don't get certain things what you are really looking for. ⑷你不喜欢去一些地方，但有时你不得不在那里待上一段时间。This is your Life, say welcome with the open mind.You have to avoid all the preoccupations.The Life is like a Flowing River， it takes all the bends and curves that you don't know.But it never stops its flow because flowing is its original nature.You also flow with the Life you have, which takes the unexpected turns. ⑸This is your Life, simply accept it.

⑴____ ⑵____ ⑶____ ⑷____ ⑸____ 

材料是人类生存和发展的物质基础，合理使用材料可以改善我们的生活．

①居室装修所使的人造板材会释放出一种挥发性物质，长期接触会引起过敏性皮炎，免疫功能异常，该挥发性物质是____．

②玻璃是重要的硅酸盐产品，生产玻璃时，石灰石与石英反应的化学方程式为 ____

下列关于达尔文自然选择学说的理解错误的是（   ）