高中英语 Module5 Section Ⅰ Introduction & Reading Pre reading课件 外研版必修1.ppt(纯ppt,不包含音视频素材)

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1、Section Introduction&Reading Pre-readingModule 5 A Lesson in a LabStep 4Step 3Step 2Step 1Step 5.Do you like doing scientific experiments?What are the stages of a scientific experiment?参考答案:参考答案:.Put the stages in the correct order.Yes,I do.They are as follows:aim method result conclusion.参考答案:参考答案:

2、bfagecdRead the passage quickly and decide whether the following statements are true(T)or false(F)1Different metals have different uses.(T)2The reaction of metals with different substances is the same.(F)3Magnesium can form an oxide when heated in oxygen.(T)4Iron reacts with cold water.(T)5Copper re

3、acts most when heated in oxygen.(F).Choose the best answers according to Passage A.1The first sentence“It is hard to think of a world without metals.”will make us think_.Ametals make up the worldBmetals play a greatly important role in the worldCthere would be no world if there were no metalsDit is

4、difficult for us to live in the world of metals2The table in the passage is arranged in order of_.Ametal kindsBreaction activitiesCvalues of metalDthe first letters of the words3An oxide is_.Aa new kind of metalsBa kind of gasCa product of the reactionDa factor(因素因素)of a chemical reaction4According

5、to the table,which metal is most suitable to make our daily kitchenware(厨房厨房)?AZinc.BIron.CCopper.DMagnesium.答案:答案:1.B2.B3.C4.C.Choose the best answers according to Passage B.1Which is NOT the apparatus that is required in the experiment of“Iron in dry air”?ACotton wool.BOil.CIron nails.DTest tube h

6、older.2Which is required as one of the apparatus in the experiment of“Iron in ordinary water”?AOil.BCotton.CBunsen burner.DTest tube holder.3The purpose of these two experiments is_.Ato find out how iron reacts with water and airBto find out how important iron isCto find out how to do the experiment

7、 of irons reaction with water and airDto find out how to keep iron rustless答案:答案:1.B2.D3.DFill in the blanks according to the text.Different metals have different 1.When we use metals,it is 2.to know how they 3.with different substances.The reaction of metals with these substances can be put in 4.Fr

8、om the 5.,we can find that potassium reacts 6.with oxygen and water while copper doesnt react with water.When we 7.cal-cium in oxygen,it burns to 8.an oxide.usesimportantreactordertablemostheatform In the second part of the experiment,you must boil the water to make sure there is no air in it.You ad

9、d some oil to the water because this 9.air out of it.It also shows that iron does not rust in water without air in it.10.,the nails rust in the tube with ordinary water in the third part of the experiment.That is how iron reacts with air and with water.keepsHoweverHold a discussion with your classmates about what the students should do and not do while doing experiments in the lab.参考答案:参考答案:Dos:Follow the teachers advice.Put all the things back when finishing an experiment.Follow the rules of the lab.Dont destroy the instruments.Donts:Dont do dangerous experiments alone.

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