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1、http:/http:/ 永久免费在线组卷永久免费在线组卷课件教案下载课件教案下载 无需无需注册和点数注册和点数http:/http:/ 永久免费在线组卷永久免费在线组卷 课件教案下载课件教案下载 无需无需注册和点数注册和点数Unit 10 When was it invented?Self check 及教学资源教案及教学资源教案SELF CHECK1 Filling blanksOn page 73 is a box with 4 sentences.Read the sentences and fill in the blank with a correct word.crispy sw
2、eet salty sour1.I dont like eating chocolate.The taste is too sweet.2.Mom added salt but it still wasnt salty enough.3.I prefer lemons to oranges.I like the sour taste.4.She likes crispy cookies.They are hard,dry and easily broken.Now you are asked to make your own sentences with each of the four wo
3、rds.1.The snow is crispy.The crackers arent crispy.They must have got wet.2.My coffee is too sweetI put two spoonfuls of sugar in it.Do you like sweet drinks?3.Sea water is very salty.This soup is very salty.I think you have put too much salt in it.4.These oranges are as sour as lemons.2 Writing abo
4、ut inventions on page 733000 BC-The abacus,built out of wood and beads,used the conceptsof one set of objects standing in for objects in another set,but also theconceptofasingleobjectstandingforacollectionofobjectspositional notation.-Early tables,named abaci,formalized counting and introduced the c
5、oncept of positional notation.-Early man counted by means of matching one set of objects with another set(stones and sheep).invention,history,inventor of,history of,who invented,invention of,fascinating facts.The basic umbrella was invented over four thousand years ago.We have seen evidence ofumbrel
6、las in the ancient art andartifacts of Egypt,Assyria,Greece,and China.Theseancientumbrellasorparasols,werefirstdesignedtoprovide shade from the sun.TheChinese were the first to waterprooftheir umbrellas for use as rainprotection.Soonaftertelescopes were invented,people started to fasten twoof the lo
7、ng tubestogether to make binoculars(from the Latin twoeyes).Around 1900,aGerman physicist named Ernst Abbe made a pair ofbinoculars usingprisms.Thetriangularprismseachreflectedtheincoming light twice.This meant it was possible to make a shorter instrument.The two prismsalso flipped the image upright
8、.CameraThe history of the camera-CameraObscura,photography,thesignificantprocessesofphotography,and who invented the polaroid and photographicfilm.In 1818,Baron von Drais introduced amachine to the public in Paris.It hadhttp:/http:/ 永久免费在线组卷永久免费在线组卷课件教案下载课件教案下载 无需无需注册和点数注册和点数http:/http:/ 永久免费在线组卷永久免
9、费在线组卷 课件教案下载课件教案下载 无需无需注册和点数注册和点数two in-line wheels connected by a wooden frame.The rider sat astride and pushed it along withhis feet,while steering the front wheel.Just for fun!Look at the pictures below and tell about what you see.Use as many examples of passive voice(questions and statements)as
10、possible.Reading:Do you know when basketball was invented?Before you read,listen and read aloud to the recording of passage.Make your reading as close tothe recording as possible.While you read,divide(/)the sentences into groups of thought,circle the predicates in passivevoice and underline all the
11、useful expressions.Do you know when basketball was invented?If you travel around China/you will notice a very popular activity/everywhere you gobasketball.This much-loved and active sport is enjoyed/by all,for fun and exercise.The sport of basketball is a little more than a hundred years old.It is p
12、layed/by more than 100million people/in over 200 countries/including China,where basketball has been played/inparks,schools,and even in factories.Basketball was invented/by a Canadian doctor/named James Naismith,who was born/in 1861.When he was at college,his class was once asked/to invent a new gam
13、e/that could be played/indoors/during the long winters.Dr Naismith created a game/to be played/on a hard woodenfloor,so/the safety of the players/was important.Knocking into players/and falling downwould be dangerous.Dr Naismith divided the men/in his class/into two teams,and taught them/how to play
14、 his newgame.The aim of basketball is for players/to try to get a ball/into the“basket”:a net/hangingfrom a metal hoop.Players shoot/from below the basket,and sometimes/the“backboard”isused/for guiding the ball/into the basket.Players move/towards one end of the court/whilethrowing the ball/to each
15、other.It is believed that/on December 21st,1891,the first basketball game/in history/was played.Then/in 1936/in Berlin,it became an Olympic event.A team/from China/took part,andalthough they didnt win/they used the experience/to help develop the game/at home.Sincethen,the popularity of basketball ha
16、s risen/worldwide,and the number of foreign players/inAmericas NBA（National Basketball Association）has increased.Basketball has also become amore popular sport/for people/to watch,and many young people/dream of becoming famoushttp:/http:/ 永久免费在线组卷永久免费在线组卷课件教案下载课件教案下载 无需无需注册和点数注册和点数http:/http:/ 永久免费在
17、线组卷永久免费在线组卷 课件教案下载课件教案下载 无需无需注册和点数注册和点数basketball players.After you read,copy down all the useful expressions into your phrase book.travel around,notice a very popular activity,a much-loved and active sport,be enjoyed by,for fun and exercise,a little more than,beplayed by,in over 200 countries,bepla
18、yed in,be invented by,be born in,at college,invent a new game,be played indoors,during the long winters,create a game,be played on a hard wooden floor,the safety of,knock into,fall down,divide into,teach how to play,get a ball into,a nethanging from,shoot from below,be used for,guideinto,move toward
19、s,throwto,on December 21st,1891,in history,in 1936,in Berlin,an Olympic event,ateam from China,take part,used to help develop the game,at home,since then,riseworldwide,become a more popular sport,dream of becoming famous basketball players.Part 2:Teaching Resources（第二部分：教学资源）（第二部分：教学资源）I.What is inv
20、ention?An invention is a new thing that someone has made.The computer was an invention when it wasfirst made.We say when it was invented.New things that are made or created are called inventions.The car is an invention that everyone knows.Ideas are also called inventions.Writers can invent character
21、s,and then invent a story about them.II.What is an inventor?An inventor is a person who creates new inventions,typically technical devices such as mechanical,electrical or software devices or methods.Although some inventors may also be scientists,most ofthem are engineers in fact as they base their
22、work on the discoveries of other scientists,experimenting with practical applications and combinations of those discoveries,and withimprovements and combinations of existing devices,to create new useful devices.The system of patents was established to encourage inventors by granting limited-term mon
23、opoly oninventions that are judged sufficiently novel.This system is nowadays frequently considered asbeing abused,especially in the United States,and some have called for reform or even abolition ofthe patent system.In the U.S.,however,the patent right originates from the Constitution,soinventors will likely continue to protect their inventions that way for many years to come.The capacity to invent can be developed.See TRIZ,the theory of inventive problem-solving.ican