出国留学网专题频道山西临汾英语高考时间栏目,提供与山西临汾英语高考时间相关的所有资讯,希望我们所做的能让您感到满意!
06-02
06-02
06-02
06-02
08-21
出国留学网高考频道在考试后及时公布各科高考试题答案和高考作文及试卷专家点评。请广大考生家长关注,祝福广大考生在2013年高考中发挥出最佳水平,考出好成绩!同时祝愿决战2014高考的新高三学员能倍加努力,在2014年高考中也能取得优异的成绩。
Nanotechnology is a fashionable word these days. The name “nano”(纳米) comes from the size of molecules, which are measured in nanometers—or one billionth of a metre. Through operating the atoms and molecules, scientists can change the nature of common materials and even create new materials that have new properties.
But scientists are concerned about its possible risks to our daily lives.
Clothing merchants claim their nano—cloth keeps our bodies warmer in winter, saving us from needing thick coats. Vitamin companies boast their nano—pills are easier to absorb. Home decoration companies suggest you use their nano—paint, which has no smell, is waterproof, and free from poisonous substances.
Nanomaterials are making our lives better, its creators say. The US National Science Foundation predicts nanotechnology research will grow into a US $-trillion industry over the next 10 years.
But relatively little is known about the potential health and environmental effects of the tiny particles. Just atoms wide, they are small enough to penetrate cells easily in lungs, brains and other organs. US best—seller “Prey”, written by Michael Crichton, paints a doomsday in which a group of tiny nanomachines escapes the lab and threatens to take control of humanity.
Studies have shown that some nanoparticles can be...
05-27
05-24
2013年的中考马上就要到来了,每个省市的中考时间你们都知道嘛?不知道没关系,出国留学网中考频道在这里为你整理出各省市的中考时间。快点收藏本网页吧!
山西临汾中考考试时间为:
6月20日上午 8∶30~11∶00 语文
下午15∶00~17∶30理综(物理、化学)
6月21日上午 8∶30~10∶30 数学
下午15∶00~17∶30文综(历史15∶00~16∶10)
(思想品德16∶20~17∶30)
6月22日上午 8∶30~10∶30 英语
文科综合中的“历史”为闭卷考试,“思想品德”为开卷考试。“思想品德”开卷考试时,考生只准带普通初中思想品德课本。
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06-10
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