1、Unit 1When was it invented?section B 1.The soup tastes very_.I added too much _ just now.(salt)saltysalt2.It was so dark in the room that he took my umbrella away _(错误地)3.The red walls and furniture in the restaurant make c_eat fast.by mistakeustomers4.Apples are a kind of sweet and c_ fruit.rispy5.
2、Tea _(discover)by a Chinese ruler called Shen Nong by accident.6.Who were telephones invented _?With B.by C.to D.fromwas discoveredBHow does it taste?crispysaltysweetsour It tastes.Is it?Salted duck eggs taste salty.Lemons taste sour.Dates taste sweet.Do you know how potato chips were invented?The i
3、nvention of potato chips.1.Potato chips were invented by mistake.2.The customer ordered fried potatoes.3.The customer thought the potatoes were not thin enough.4.George wanted to make the customer happy.5.The customer was happy in the end.The invention of potato chips.1.Potato chips were invented by
4、 mistake.2.The customer ordered fried potatoes.3.The customer thought the potatoes were not thin enough.4.George wanted to make the customer happy.5.The customer was happy in the end.thickFried potatoesor French fries薯条The invention of potato chips.1.Potato chips were invented by mistake.2.The custo
5、mer ordered fried potatoes.3.The customer thought the potatoes were not thin enough.4.George wanted to make the customer happy.5.The customer was happy in the end.TTTFTdidnt wantwere invented1853restaurantcutsent backthincrispysaltyPotato chips were invented by mistake.by mistakeThey were invented i
6、n 1853.They were invented by George Crum.When the potatoes came,he said they were cut too thick and sent them back to the kitchen.The customer ordered a plate of fried potatoes.fried potatoes cut thickSent back toGeorge cut the potatoes thin and cooked them for a long time until they were crispy.He
7、put lots of salt on them so they were crispy.cutthincookcrispyput salt onThe customer loved them and asked for more.ask moreby mistake1853thick;sent backthin crispy saltyask moreretellby mistake1853thick;sent backthin crispy saltyask moreinventioninventionwhowhenwherehowWhat other inventions do you
8、know?Inventions from our classmates 1.Describethefollowinginventions.（描述下面两种发明）2.Thinkofsomethingthatyoudonotliketodo.Thenthinkofaninventionthatcouldhelpyou.（想想生活中有哪些不方便之处，想出一个小发明来解决这个问题。）Ourschoolbagsaretooheavyforustocarry.（描述问题）Thisspecialschoolbagwasinventedby melastweek.Itsusedforcarryingkids.Wewontfeeltiredbecauseofheavybags.（who,what,when)Itsveryusefulinourdailylife.1.Draw a picture of your inventions or make a model of your inventions.2.Search more inventions and try to describe how they were invented.Homework
