外研版高中英语book 1 module 5 reading and Vocabulary.ppt

外研版高中英语book 1 module 5 reading and Vocabulary.ppt

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外研版高中英语book 1 module 5 reading and Vocabulary

Put the following metals in the right order according to Passage A. Decide whether these statements are true or false according to Passage A . 1. Different metals have different uses. 2. The reaction of metals with different substances is the same. 3. Magnesium can form an oxide when heated in oxygen. 4. Iron reacts with cold water. 5. Copper reacts most when heated in oxygen. Please read Passage B quickly to find out the answers to the questions. 1. What is there on the surface of the water in the test tube? There is oil on the surface of the water in this test tube. 2. What is the use of the oil? The oil can keep air out of water. 3. What is the use of the cotton wool in the test tube? The cotton wool can keep air dry. 4. Why are the nails in the test tube with ordinary water rusty? Iron reacts with water and forms rust. 这种坏天气更增加了我们的困难。 The bad weather only added to our difficulties. 把我应付你的钱都加在一起。 Add up all the money I owe you. 这些数目合计为一百。 These numbers add up to 100. 这些线索没什么实际意义。 These clues don’t really add up to very much. =give us very little information. 1. A chemical________ is a process in which two substances combine together chemically to form another substance. 2. ___________ means all the special tools, machines, clothes etc that you need for a particular activity. 3. When one chemical substance______ with another, or when two chemical substances _____, they combine chemically to form another substance. 4. You use______ to refer to something that is not complete or whole. 5. When a metal object_______, it becomes covered with rust and often loses its strength. 6. When a hot liquid _______ or when you______ it, bubbles appear in it and it starts to change into steam. 7._________ people or things are normal and not special or different in any way. 8. Something that______ lies on or just below the surface of a liquid when it is put in it and does not sink. 4. The reaction of metals with these substances can be put in order. in orde

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