英语必修1外研版Module 5（四川课改）：Section Ⅰ Introduction Reading — Pre-reading.pptVIP

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英语必修1外研版Module 5（四川课改）：Section Ⅰ Introduction Reading — Pre-reading.ppt

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返回 SectionⅠ Introduction Reading —Pre-reading Module 5 A Lesson in a Lab Step 4 Step 3 Step 2 Step 1 Step 5 Ⅰ.Do you like doing scientific experiments？What are the stages of a scientific experiment? 参考答案： Ⅱ.Put the stages in the correct order. Yes，I do.They are as follows: aim — method — result — conclusion. 参考答案：b→f→a→g→e→c→d Read the passage quickly and decide whether the following statements are true (T) or false (F)． 1．Different metals have different uses. (T) 2．The reaction of metals with different substances is the same. (F) 3．Magnesium can form an oxide when heated in oxygen.(T) 4．Iron reacts with cold water. (T) 5．Copper reacts most when heated in oxygen. (F) Ⅰ.Choose the best answers according to Passage A. 1．The first sentence “It is hard to think of a world without metals.” will make us think________. A．metals make up the world B．metals play a greatly important role in the world C．there would be no world if there were no metals D．it is difficult for us to live in the world of metals 2．The table in the passage is arranged in order of________. A．metal kinds B．reaction activities C．values of metal D．the first letters of the words 3．An oxide is________. A．a new kind of metals B．a kind of gas C．a product of the reaction D．a factor (因素) of a chemical reaction 4．According to the table, which metal is most suitable to make our daily kitchenware (厨房)? A．Zinc.　　　　　　　　 B．Iron. C．Copper. D．Magnesium. 答案：1.B　2.B　3.C　4.C Ⅱ.Choose the best answers according to Passage B. 1．Which is NOT the apparatus that is required in the experiment of “Iron in dry air”？ A．Cotton wool. B．Oil. C．Iron nails. D．Test tube holder. 2．Which is required as one of the apparatus in the experiment of “Iron in ordinary water”？ A．Oil. B．Cotton. C．Bunsen burner. D．Test tube holder. 3．The purpose of these two experiments is________. A．to find out how iron reacts with water and air B．to find out how important iron is C．to