题型：阅读选择 题类：常考题 难易度：普通
广西南宁市第十八中学2016-2017学年九年级上学期英语期中考试试卷（含小段音频）
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Bigger isn't always better. Many scientists will agree. This year the Nobel Prize gave the biggest prizes to findings on the smallest things. Self-eating cellsThis year's winner of the Nobel Prize in Medicine is from Japan. According to his research, cells (细胞) sometimes "eat" themselves to keep healthy. In other words, cells can break down old ones and use the useful parts to make new cells, or to fight off viruses (病毒). This new finding could help scientists fight many diseases.
Small machines
Three scientists from France, the United Kingdom and the Netherlands (荷兰) won the Nobel Prize in Chemistry for their work on small machines. How small? Well, they are a thousand times thinner than a strand (缕) of hair. We can't see them with only our eyes! This technology will open a whole new world for us. For example, we could make very small robots in the future. A doctor could put them into our body. Like policemen, the robots look for the ill parts in our body, and send the medicine right there.
Super-state
As teachers said in your physics class, most things in the world are in three states: solids (固体), liquids (液体) and gases . But at very low or high temperatures, things can turn into a strange state. For example, break down things to their smallest pieces and we get "atoms" (原子). Like Lego building blocks, atoms usually add up to become a 3-D thing, like a box. But atoms in the strange state don't. They stay together and become a flat thing, like a piece of paper.
This is a new finding of three British-born scientists. And they won the Nobel Prize in Physics this year. They hope to use things in this strange state to make new materials.
About the Prize
The Nobel Prize was started by Swedish inventor, Alfred Nobel in 1895. It gives prizes to great science research and the people behind it. Every year in October, the Royal Swedish Academy of Sciences decides who wins. It includes six prizes: chemistry, physics, physiology (生理学) or medicine, peace, literature (文学) and economic. This year each winner gets a medal and prize money of more than 6 million yuan.
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| ●After killing an animal, a cheetah waits half an hour to catch its breath. | ●The biggest horses are the Shire horses. The tallest on record is 198cms from shoulder to leg. | ●The only mammal that can fly is the bat. Bat's wings are overgrown hands. |
| ●Gorillas are actually very gentle animals although they have bad reputation (声誉). ●Gorillas build nests in tree tops to sleep in. | ●The rhino has the thickest skin of any animal. Its skin is 2cms thick and covers their body like armor. | ●An elephant's trunk has no bones in it, only 100,000 muscles!!! ●Elephant babies take 22 months to develop inside their mothers before they are born. |
| ●A kitten is born blind and helpless and stays close to its mother for protection. In just nine weeks, it can grow big enough to leave its mother and look after itself. | ●A camel's hump is actually used to store food. It is made of extra (多余的) fat. ●They have long legs to keep them as far away from the ground as possible | ● Bears usually walk on 4 legs, but when they are frightened, they stand up and walk on two legs to make themselves appear bigger. |
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