1、2023-1-11To know some metals and their reactions with some substancesTo learn how to do an experiment To be able to retell the main points in the text To build up the love for science 2023-1-112023-1-11 1.The Different Uses of Metals 2.The Reaction of Metals 3.The Reaction of Metals with OxygenChoos
2、e the best title for Passage A.2023-1-11Read Passage A again and answer the questions v Which metals react the most with oxygen and water?v What happens when you heat calcium in oxygen?v Which metals react with steam?4.Does iron have a slow or fast reaction with steam?5.Does copper react with water?
3、Do you think it is scientificto make Goujian Sword by using copperAfter learning Passage AWhat can we learn from Passage A?It is very important to know_.It is very useful in our daily life.metals can react with different substanceshow How many stages are there in a scientific experiment reportPassag
4、e B2023-1-11Iron in dry airIron in air-free waterIron in ordinary waterUse of cotton wool_Use of oil_Why it rusts_cotton woolnails _ordinary waterrusty nailsoilwaterKeep the nails dry Keep air out of the waterAir in the waternails2023-1-11Conclusion Iron rusts in_.Iron doesnt rust in _and_ordinary w
5、aterdry air air-free water.2023-1-11 half-fill with.boil put inadd to leave resultObserve the following experiment carefully and then write down an experiment report Aim Apparatus MethodResult Conclusion An Experimennt Report2023-1-11Sum up How can you do a scientific experiment successfully?First,w
6、e need to have an_ and prepare _ for the experiment before we do the experiment.Second,we must use correct_to do the experiment and watch carefully.Then we can get the_and draw a_.aimapparatusmethodsresultconclusion.短语运用短语运用be proud of,used to,aimed at,add up to,be proud of,used to,aimed at,add up t
7、o,keep out of,put.in order,keep ones keep out of,put.in order,keep ones balance,think of,react with,be supposed tobalance,think of,react with,be supposed to1.In nature,many kinds of materials can 1.In nature,many kinds of materials can each other under certain each other under certain conditions.con
8、ditions.2.You 2.You ask the teacher if ask the teacher if you want to leave the classroom.you want to leave the classroom.3.He lifted his gun and 3.He lifted his gun and the bird the bird in the tree.in the tree.react withreact withare supposed toare supposed toaimed ataimed at4.All the money I had
9、4.All the money I had no more no more than one hundered dollars.than one hundered dollars.5.When I saw these photos,I 5.When I saw these photos,I my my college days.college days.6.Try to 6.Try to the trouble between the trouble between them.them.7.Books should 7.Books should again after again after
10、you have finished reading them.you have finished reading them.added up toadded up tothought ofthought ofkeep out ofkeep out ofbe put in orderbe put in order8.I struggled to 8.I struggled to on my new on my new skates.skates.9.All the Chinese 9.All the Chinese the success the success of Shenzhou.of S
11、henzhou.10.Life now is much better than it10.Life now is much better than it be.be.keep my balancekeep my balanceare proud ofare proud ofused toused to.翻译句子翻译句子1.1.学生人数在迅速增加。（学生人数在迅速增加。（expandexpand）2.2.做完实验后，一切东西都要有序的排列在器皿做完实验后，一切东西都要有序的排列在器皿 柜中。柜中。(put.in order)(put.in order)3.3.这是我过去经常去游泳的小河。这是我过
12、去经常去游泳的小河。(where)(where)Student numbers are expanding rapidly.Student numbers are expanding rapidly.After the experiment,everything is put inAfter the experiment,everything is put inorder in the cupboard.order in the cupboard.This is the river where I used to goThis is the river where I used to gosw
13、imming.swimming.4.To find out the truth,youd better do it 4.To find out the truth,youd better do it once by yourself.once by yourself.（不定式作目的状语）（不定式作目的状语）5.It is hard to think of a world without 5.It is hard to think of a world without metals.metals.为了发现事实，你最好亲自做一次。为了发现事实，你最好亲自做一次。很难想像一个没有金属的世界。很难想像
14、一个没有金属的世界。.单项填空单项填空1.On hearing the news,the girl rushed out 1.On hearing the news,the girl rushed out without hesitation,without hesitation,the bag the bag on on the floor and the floor and in the dark.in the dark.A.left;lied;disappeared A.left;lied;disappeared B.leaving;lying;disappeared B.leaving
15、;lying;disappeared C.leaving;lie;disappearing C.leaving;lie;disappearing D.left;lay;disappear D.left;lay;disappear 解析解析 分析句子知分析句子知leaving the bag.leaving the bag.是分词是分词 短语作状语；而短语作状语；而the bagthe bag和和lielie间是主谓关系，间是主谓关系，故用故用lyinglying的形式；而的形式；而disappeardisappear和和rush outrush out是是 句子的谓语动词；因此句子的谓语动词；
16、因此B B正确。正确。B2.There are both advantages and 2.There are both advantages and disadvantages in the scheme proposed,but disadvantages in the scheme proposed,but I think we should benefit by I think we should benefit by adopting it.adopting it.A.on balance A.on balanceB.out of balanceB.out of balance C.
17、on the balance C.on the balanceD.off balanceD.off balance 解析解析 on balanceon balance总的来说。总的来说。A3.Churches are often built 3.Churches are often built the cross the cross in the West.in the West.A.in form of A.in form ofB.in the form ofB.in the form of C.with form of C.with form ofD.in a form ofD.in a
18、form of 解析解析 in the form of.in the form of.以以样的形式；呈样的形式；呈 现现样的形式。样的形式。B4.When 4.When ,metals,metals .A.heating;extend A.heating;extendB.heated;extendB.heated;extend C.heating;expend C.heating;expendD.heated;expandD.heated;expand 解析解析 metalmetal和和heatheat为动宾关系，故用为动宾关系，故用heated,heated,完整形式是：完整形式是：When
19、 it is heated,When it is heated,由常识知加由常识知加 热时铁膨胀，故用一般现在时。热时铁膨胀，故用一般现在时。D5.They will start their project 5.They will start their project at at helping the poor children to be educated helping the poor children to be educated in Chinas west.in Chinas west.A.aims A.aimsB.aimingB.aiming C.being aimed C.
20、being aimedD.aimedD.aimed 解析解析 分析句子知分析句子知projectproject和和aim ataim at之间是主谓之间是主谓 关系，故用其关系，故用其-ing-ing形式形式aimingaiming。B6.After a long discussion about the 6.After a long discussion about the advantages and disadvantages of the plan,advantages and disadvantages of the plan,they finally came to a(n)the
21、y finally came to a(n)that it that it was practical.was practical.A.decision A.decisionB.opinionB.opinion C.conclusion C.conclusionD.impressionD.impression 解析解析 come to a conclusioncome to a conclusion得出结论。空后得出结论。空后 的的that it was practicalthat it was practical是是conclusionconclusion的同位的同位 语。语。C7.7.of
22、 the people on the Net of the people on the Net Chinas economy is among the strongest Chinas economy is among the strongest in the world.in the world.A.Four fifth;believes A.Four fifth;believes B.Four fifth;believe B.Four fifth;believe C.Four fifths;believe C.Four fifths;believe D.Four fifths;believ
23、es D.Four fifths;believes 解析解析 考查分数表达和主谓一致。当分数中分考查分数表达和主谓一致。当分数中分 子大于子大于1 1时，分母需用复数，故排除时，分母需用复数，故排除A A、B B两项；两项；“分数分数/百分数百分数+of+of+名词名词”作主语时，谓语动词作主语时，谓语动词 的单复数取决于名词，本句中的单复数取决于名词，本句中peoplepeople为复数，为复数，故选故选C C。C8.The 8.The flight CA9525 for 1130 a.m.is flight CA9525 for 1130 a.m.is to be put off due
24、to the stormy weather.to be put off due to the stormy weather.A.ordinary A.ordinaryB.commonB.common C.formal C.formalD.regularD.regular 解析解析 本题考查形容词辨析。本题考查形容词辨析。regularregular正常的；正常的；通常的；通常的；ordinaryordinary普通的，长相一般的；普通的，长相一般的；commoncommon常见的；常见的；formalformal正式的。正式的。D9.Any suggestion?9.Any suggestio
25、n?Youd better Youd better the last sentence as the last sentence as it is rather misleading.it is rather misleading.Sounds reasonable.Then could you Sounds reasonable.Then could you a a good ending to it?good ending to it?A.put out;increase A.put out;increaseB.leave out;addB.leave out;add C.find out
26、;find C.find out;findD.knock out;chooseD.knock out;choose 解析解析 leave outleave out此处表示此处表示“删除，省略删除，省略”；addadd表示表示“加上加上”。根据句意选。根据句意选B B项。项。B10.Mrs.Brown was 10.Mrs.Brown was to have left for to have left for France last week,but something else France last week,but something else delayed him.delayed hi
27、m.A.designed A.designedB.ableB.able C.possible C.possibleD.supposedD.supposed 解析解析 be supposed to do.be supposed to do.本应该本应该,原来；原来；be be designed to do.designed to do.打算做打算做。根据空后的。根据空后的to to have left have left知知D D项正确。项正确。D11.It was difficult to guess what his 11.It was difficult to guess what his
28、 to the news would be.to the news would be.A.reaction A.reactionB.opinionB.opinion C.comment C.commentD.impressionD.impression 解析解析 oneones reaction to sth.s reaction to sth.表某人对表某人对 的反应，此时介词用的反应，此时介词用toto。A12.Isnt 12.Isnt rude rude him to talk to his him to talk to his mother like that?mother like
29、that?A.that;for A.that;forB.that;ofB.that;of C.it;for C.it;forD.it;ofD.it;of 解析解析 本题考查句式：本题考查句式：It is+It is+adjadj.+of sb.+to.+of sb.+to do sth.do sth.的否定疑问形式。的否定疑问形式。D13.Have you got in touch with Tom?13.Have you got in touch with Tom?Oh,sorry.I couldnt Oh,sorry.I couldnt his phone his phone number
30、 at the moment.number at the moment.A.think about A.think aboutB.think overB.think over C.think out C.think outD.think ofD.think of 解析解析 此题考查此题考查thinkthink短语辨析。短语辨析。think aboutthink about 考虑；考虑；think overthink over认真考虑；认真考虑；think outthink out想出；想出；think ofthink of想起；记起。想起；记起。D14.This is a piece of b
31、oard at the gate of 14.This is a piece of board at the gate of the construction,which reads the construction,which reads：without permission.without permission.A.Keep out A.Keep outB.Keep awayB.Keep away C.Keep off C.Keep offD.Keep upD.Keep up 解析解析 此题考查此题考查keepkeep的搭配。的搭配。keep outkeep out留在外留在外 面面;ke
32、ep away;keep away（fromfrom）远离；）远离；keep offkeep off（使）（使）避开；不介入；避开；不介入；keep upkeep up保持。根据句意保持。根据句意“未经未经 许可，不得入内许可，不得入内”。A15.Bob,are you free at the moment15.Bob,are you free at the moment？I have I have to ask you some questions.to ask you some questions.A.Its a pleasure A.Its a pleasureB.Ask,pleaseB.Ask,please C.Help yourself C.Help yourselfD.Yes,go aheadD.Yes,go ahead 解析解析 Go ahead.Go ahead.问吧；问吧；ItIts a pleasure.s a pleasure.是是 别人表示感谢时的用语；别人表示感谢时的用语；Help yourself.Help yourself.自己自己 来吧！来吧！B B项为汉式英语。项为汉式英语。D返回
