When was it invented教案

s: it is sweet. i think it is an apple.they are salty and crispy. i think they are potato crisps.it is sour. i think it is a tomato. it is salty. but i don’t think i have eaten this food before. it is delicious.t: do you enjoy the food? now you can take off the cloth. the last one is pizza, which is popular with westerners. you can take it with you and go back to your seat. thank you.sophie goes back to her seat.t: hi, class. what are the four different tastes of the food sophie had? s: they are sweet, crispy, salty and sour.t: yes. they are words used to describe different tastes of food. try to use them to describe the food in the picture of 1a, section b.ask the students to read the pictures of 1a in section b and describe how the food tastes.t: now, look at the four pictures. what are they?ss: they are potato chips, lemon, ice cream and tea. t: you are right. please use the words we’ve just learnt to describe how they taste. s1: potato chips are crispy. lemon is sour. ice cream is sweet. tea is sweet. t: how about you? do you have a different idea?s2: potato chips are crispy and salty. lemon is sour. ice cream is sweet. tea is sweet.t: good. i think s2’s answer is better. now let’s repeat the description together.ss: ...ask the students to write the name of a different food after each word in 1b of section b.t: now, write the names of different foods after each taste as many as possible. i think this is an easy job for you. think of the food you eat everyday at home or in restaurants. collect the answers and put them down on the blackboard.sample answers:sweet: apple, orange, banana, honey, orange juice, cakes and candiescrispy: salad, potato chips, lettuce and cucumber  salty: pizza, french fries, olivessour: grapes, pickle and vinegar step v  do a quizask the students to finish the following exercises in 10 minutes.t: next we’ll do a quiz. your task is to finish the exercises in 10 minutes. anyone who does his best without looking at the textbooks will be invited to my home this sunday for a pizza meal. when i say “begin”, you can begin. after you finish, hold up your hands and let me know. are you ready? one, two, begin!fill in the blanks with the words you’ve learnt according to the chinese.1. who _______ the telephone? ( 發(fā)明)2. when was the car ________? (發(fā)明)3. it ______ _______ _______ scooping really cold ice cream. (被用來(lái)……) 4. what do you think is the most _______ invention? (令人煩惱的)5. the potato chips were invented _________ ______. (錯(cuò)誤地)