[中学联盟]黑龙江省讷河市第二中学高一英语外研版必修3《Module 5 Great People and Great Inventions of Ancient China》课件+练习（8份）

Ⅰ.课文缩写填空[来源:Zxxk.Com][来源:学科网] From Passage A we know the ________of metals with some substances such as water and oxygen can be put in order. It can be seen that the metals react ________ at the top and the metals react least at the ________. When you heat calcium in oxygen, you'll find it burns to form a(n) ________. And it can easily be seen that copper doesn't ________with water. In the first part of the experiment in Passage B, the ________ is dry, not wet. It shows that iron doesn't ________ when the air is dry. In the second part of the experiment, you must ________ the water to ________ there is no air in it. You add some ________ to the water because this keeps air out of it. It shows that the nails don't rust in water that has no air in it. 答案：reactions　most　bottom　oxide　react air　rust　boil　make sure　oil[来源:学科网] Ⅱ.阅读理解 There are many colors in nature. But do you know if a color has weight? I think you'll say “no”. But I am afraid you are wrong. If you don't believe, you may do a small experiment. First, put two objects with the same weight into two boxes. Then cover the box. Third, wrap (包) one box with a red piece of paper, the other with a white piece of paper. OK. Now hold the boxes with your hand one by one. It is certain that you will think the red one is a little heavier. Why do you think so? A scientist found that different colors have different weight in a man's mind. So he did many tests and at last he got the result. That is to say, every color has its own weight in our mind and their order is the same. The heaviest color is red, then blue, green, orange, yellow and white. The scientist told us that colors also have smell. Can you smell the color? Of course not. Then why did the scientist say so? That is because every color stands for a kind of light with a certain wavelength. It reaches our brain through sense organs (感觉器官)． According to this discovery, scientists say that people accept the colors they like, and refuse the col