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1、 Module 5 Module 5 A lesson in a lab A lesson in a lab Module 5Module 5A lesson in a lab A lesson in a lab 2021/8/11 星期三1Read the passage as quickly as you can and choose the best title for it.The Different Uses of Metals The Reaction of Metals The Reaction of Metals with Oxygen Passage A2021/8/11 星
2、期三2Read the passage again and answer the following questions:1.Which of the metals in the table reacts the most with oxygen and water?potassium,calcium and sodium2.What happens when you heat calcium in oxygen?It begins to form an oxide.2021/8/11 星期三33.Which metals react with steam?Magnesium,aluminiu
3、m and zinc4.Does iron have a slow or fast reaction with steam?It has a slow reaction.5.Does copper react with water?No,it doesnt.2021/8/11 星期三4Read the passage carefully and fill the chart on page 45.Read the passage again and complete the sentences.Passage B2021/8/11 星期三51.In the first part of the
4、experiment,the _ is dry,not wet.2.It shows that iron _ when the air is dry.3.In the second part of the experiment,you must _ the water to make sure there is no _ in it.airdoes not rustboilair2021/8/11 星期三64.You add _ to the water because this keeps _ out of it.5.It shows that _ does not rust in wate
5、r that has no _ in it.some oilairnail air2021/8/11 星期三7Complete the passage with proper words according to passage A and BIt is hard to think of a world without metals.Different metals have different metals have different uses,for example,iron can be used in _ equipment.But above all we should know
6、whether itelectrical2021/8/11 星期三8will _ under different conditions otherwise it will keep the equipment from working well.As we all know,if iron is heated in oxygen,it will react slowly but will not form an _.reactoxide2021/8/11 星期三9On the other hand,if it is put together with water or _,there will
7、 a _ reaction.Next lets do an _ to support the above.First,get a test tube fillde with water and put it over the _ to _ for three minutes.steampartialexperimentbunsen burnerboil2021/8/11 星期三10Then put three or four clean nails in the water with some oil added to it and leave the tube for one week.Wh
8、at happens?The iron does not _ in air-free water.Another experiment,if you put the nails in the tube with the air in it for one week,then what happens?Iron rusts in _ water.rustordinary2021/8/11 星期三11Read about an incident during a chemistry lesson and choose the best summary.Reading on P932021/8/11
9、 星期三121.A student didnt follow the instructions carefully.He took the wrong liquid from the cupboard and nearly poisoned the class.2.The chemistry teacher was demonstrating an experiment when she heated a poisonous liquid.There was so much smoke that the students had to leave the room.2021/8/11 星期三1
10、33.A student was doing a chemistry experiment when he accidentally heated the wrong liquid and caused an incident in the laboratory.2021/8/11 星期三14Read the passage again and answer the questions:1.What substances were they using?Baking soda and hydrochloric acid2.What substances were the students ma
11、king?Salt 2021/8/11 星期三153.How can they make the reaction quicker?By making the mixture hotter.4.What mistakes did Paul make?He used the wrong liquid.2021/8/11 星期三161.Why did he make the mistake?Because there was no label on the bottle.2.What happened when Paul heated the liquid?It formed a thick cl
12、oud of white gas.2021/8/11 星期三173.Why did the teacher send the students out of the room?Because the liquid was acrylamide and the gas was poisonous.4.What lesson did the incident teach the students and the teacher?Never to leave a bottle without a label in the chemistry lad.2021/8/11 星期三181.Learn th
13、e new words by heart.2.Read the passage A and B and try to retell it.Assignments for you 2021/8/11 星期三19(language points)(language points)2021/8/11 星期三20镜头再现镜头再现1.The earth is forty-nine times larger than the moon.2.The more books I read,the more information I learn.上面两个句子中重点强调的是比较级。上面两个句子中重点强调的是比较级
14、。这一语法现象我们在初中已学过这一语法现象我们在初中已学过,现在现在我们对这一语法进行总结。我们对这一语法进行总结。2021/8/11 星期三21三种比较句型的转换：三种比较句型的转换：1)A+be+four times+比较级比较级than+B2)A+be+four times+as+adj/adv+as+B3)A+be+four times+the+N of BThe well is four times deeper than that one.=The well is four times as deep as that one.=The well is four times the
15、depth of that one.2021/8/11 星期三22哪一些词可以来修饰比较级？哪一些词可以来修饰比较级？1)much/rather/a bit/a little/a lot/a great deal/any/2)倍数、分数、百分数、小数倍数、分数、百分数、小数3)一些名词一些名词2021/8/11 星期三23The weather in winter in Beijing is much colder than that in Shanghai.This book is 50%percent more expensive than that one.John is a head
16、taller than I.2021/8/11 星期三24一个固定句型一个固定句型:the+比较级比较级,the+比较级比较级The more often you stay with him,the better you will find he is.The faster we walk,the more likely we will be to catch the bus.The more,the better.The sooner,the better.2021/8/11 星期三251.That doesnt sound very frightening,Paul.Ive seen _.
17、What did you like most about the film?A.better B.worse C.best D.worst Choose the best2021/8/11 星期三262.The number of people present at the concert was _than expected.There were many tickets left.A.much smaller B.much more C.much larger D.many more2021/8/11 星期三273.He speaks English well indeed,but,of
18、course,not_a native speaker.A.as fluent as B.more fluent than C.so fluently as D.much fluently than 4.It is reported that the United States uses _energy as the whole of Europe.A.as twice B.twice much C.twice much as D.twice as much2021/8/11 星期三285.Mary kept weighing herself to see how much _she was
19、getting.A.heavier B.heavy C.the heavier D.the heavier 2021/8/11 星期三296.The house rent is expensive.Ive got about half the space I had at home and Im paying _here.A.as three times much B.as much three times C.much as three times D.three times as much 2021/8/11 星期三307.Our neighbour has_ ours.A.as a bi
20、g house as B.as big a house as C.the same big house as D.a house the same big as 2021/8/11 星期三318.As far as I am concerned,education is about learning and the more you learn,_.A.the more for life are you equipped B.the more equipped for life you are C.the more life you are equipped for D.you are equ
21、ipped the more life 2021/8/11 星期三32镜头再现镜头再现The reaction of metals with these substances can be put in order.In order/in order/in the order of/out of order 2021/8/11 星期三331.在图书馆，图书通常是按作者姓氏的在图书馆，图书通常是按作者姓氏的第一个字母顺序排列的。第一个字母顺序排列的。In the library,books are usually put in the order of the first letter of t
22、he writers surname.2.他桌子上的书摆放整齐有序。他桌子上的书摆放整齐有序。The books on his desk are in order(orderly).将下列句子翻译成英语将下列句子翻译成英语2021/8/11 星期三343.请按照正确的顺序将下列单词排列。请按照正确的顺序将下列单词排列。Please put the following words in the correct order.4.我们这次是按照年龄顺序而不是按照我们这次是按照年龄顺序而不是按照身高站队。身高站队。This time we stood in line in the order of a
23、ge instead of in the order of height.2021/8/11 星期三35镜头再现镜头再现Half-fill a test tube with water.fill with=be full of将下列句子翻译成英语将下列句子翻译成英语1.请将这个瓶子装满水。请将这个瓶子装满水。Please fill the bottle with water.2.听到母亲的话听到母亲的话,他顿时充满了自信。他顿时充满了自信。Hearing mothers words,he was filled with confidence immediately.2021/8/11 星期三3
24、63.他满脑子都是知识他满脑子都是知识,但他不是一个书但他不是一个书呆子。呆子。His brain is filled with knowledge but he is not a bookworm.4.看到这个恐怖电影看到这个恐怖电影,这个女孩心中充满这个女孩心中充满了恐惧。了恐惧。Seeing such a frightening film,the girl was filled with horror.2021/8/11 星期三37镜头再现镜头再现Add some oil to the water.addto/add to/addup/add up to 1.毫无疑问这是火上浇油。毫无疑
25、问这是火上浇油。There is no doubt that it is like adding oil to the fire.2.这些新建的公园增添了这个城市的美丽。这些新建的公园增添了这个城市的美丽。These newly-built gardens add to the beauty of the city.2021/8/11 星期三383.1到到100 加起来总计是加起来总计是5050。1,2,3.and 100 adds up to 5050.4.把这些数字加起来然后告诉我结果。把这些数字加起来然后告诉我结果。Add all these numbers up and tell me
26、 the result.5.8_5 is 13.A.add to B.added up to C.added up D.added to 2021/8/11 星期三39镜头再现镜头再现This will keep air out of the water.keep out of/keep out/keepfrom/keep off/keep up with1.Before you go to bed youd better close the doors and windows to _ thieves _.2.The fire is dangerous so you should _ the
27、 child _ the fire.3.Please _ the grass.keepoutkeepoffkeep off2021/8/11 星期三401.I had to walk faster than before so that I could _ him.2.In winter we usually put on more clothes in order to _ the cold _.3.I wonder what _ him _ attending the meeting yesterday.keep up with keepoutkeptfrom2021/8/11 星期三414.Youd better _ yourself _ their quarrel.It is none of your business.5.Close the door please so that we can _ the heat _ the room.keepout of keepout of2021/8/11 星期三42Finish the exercises on grammar on page 43 and page 47.Assignments for you2021/8/11 星期三432021/8/11 星期三44