单词：earth crust stress
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Scientists know that the combination of extreme heat and pressure changes carbon into diamonds. Such heat and pressure exist only in the hot, liquid mass of molten rock deep inside the earth. It is th
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Unit 2 pizza In the pizza hot Id like to order a small pizza All right, do you want thin or thick crust? Oh, thin, I guess I am trying to loss weight You dont have to Thanks What about toppings？all pizzas come with cheese and tomato sauce, what els
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Earth's Surfaces Are Always Moving 地球表面一直在运动 From VOA Learning English, this is Science in the News. Im Anna Matteo. And Im Christopher Cruise. Scientists who study the Earth tell us the continents and ocean floors are always moving
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Pizza 比萨薄饼 Pizza has a bread-like crust that is covered with tomato sauce, cheese and vegetables or meat. History experts say the idea of using bread to hold other foods began with the Greeks. They ate flat breads baked with oil, garlic and o
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31. Although apparently rigid, bones exhibit a degree of elasticity that enables the skeleton to withstand considerable impact. 31. 骨头看起来是脆硬的，但它也有一定的弹性，使得骨骼
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