高中英语第三册Unit4教学资源教案-查字典英语网

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查字典英语网整理时间：2008-11-07

学科：小学英语
版本：人教版
年级：二年级上册
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发布时间：2008-11-07
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高中英语第三册Unit4教学资源教案
1. THE PLANETS 行星
Although we live in a very small piece of the Universe, it's still where we call home and it's a very interesting place. The nine planets that make up our solar system range from very tiny rocky planets to huge gas giants featuring fascinating ring systems.
Mercury 水星
Mercury is the closest planet to the Sun. Its surface has many thousands of impact craters as a result of being bombarded by objects since the solar system's early days. Since Mercury has no protective atmosphere, the temperature on the surface ranges from extremely hot on the side facing the Sun to extremely cold on the side that faces away from the Sun.
Venus 金星（太白星）
Venus is named after the Roman goddess of love and beauty. This is one of those cases where beauty is only skin deep, though, as the surface of Venus is a very unpleasant place featuring very high temperatures, winds that blow hundreds of miles per hour and an atmosphere of sulfuric acid. Venus is an example of runaway greenhouse effect on a planetary scale.
Earth 地球
People always say there's no place like home. Our home planet is a very beautiful place with the most varied surface in the entire solar system. From a distance, our planet looks like a beautiful big blue marble.
Mars 火星
The Red Planet is named after the Roman god of war. It's distinctive rust color is easily seen through a small telescope. The surface of Mars features many mountains, canyons and even polar ice caps that look a lot like those here on Earth. In ancient times, Mars may have harbored some kind of life, and there is a lot of research going on now trying to get a definitive answer as to whether we are the only life forms in the solar system.