microplastics-60
刘耀文的大沙雕
钟意阿满
2022-2023学年英语周报七年级第10期答案汇总
您如果问的是超90%食盐中含有微塑料有什么根据的话，《环境科学与技术》有一篇文章介绍的是这个。
原文是A study published Tuesday (Oct. 16) in the journal Environmental Science and Technology found microplastics in more than 90% of the packaged food-grade salt -- also known as table salt -- for sale in stores。美国《环境科学与技术》月刊10月16日发表的一篇研究报告发现，商店里出售的包装食品级盐（即食盐）中，有超过90%含有微塑料。
2004年，英国普利茅斯大学的汤普森等人在《科学》杂志上发表了关于海洋水体和沉积物中塑料碎片的论文，首次提出了“微塑料”的概念，指的是直径小于5毫米的塑料碎片和颗粒。实际上，微塑料的粒径范围从几微米到几毫米，是形状多样的非均匀塑料颗粒混合体，肉眼往往难以分辨，被形象地称为“海中的PM2.5”。
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Research is being done into using the robots to。
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Research is being done into using the robots to clean up radioactive waste or even microplastics from the oceans. Scientists are also trying to include a greater variety of cells; a new nervous system for example. However, some people argue that the addition of nerve cells would cause moral problems. The general public have also expressed concern that humans would be taken control of by robots. However, Michael Levin thinks there’s no need to worry. “Xenobots have no ability to reproduce or evolve. The supercomputer which is used to produce them does use artificial intelligence. But for now, all is fine,” said Levin.。
Why do people lie? Many psychologists agree that lying can start from childhood. There are various reasons why children make false statements. They usually tell untruthful stories to cover up the mistakes that they have done in the past. Lying is also a way to avoid receiving punishments from parents. If parents fail to reprimand their children for making up false stories, then there is a possibility that they will continue to lie during their teenage years.。
Teenagers lie because they want to be accepted by their friends. This is the main reason why they create stories that are not true just to become presentable and acceptable to other people. In some instances, teenagers tell untruthful statements to avoid criticisms from their families and friends.。
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