九年级英语Unit9 Section B课件好文档.ppt

1、九年级的人教新目标。Unit 9 When was it invented？b节，how do they taste？crispy、salty、crispy、sweet、sour、sweet、sweet、soft、bitter、sweet、soft、salty；Sour，salty，sweet，sweet，1b . write the name of a different food after each word，sweet 3360 crispy 3360 salty 3360 Cake potatolisten and circle“t”或“f”，1 .potatoch IPS were

2、 invented by mistake . 2 . they were invented in 1863.3。the customer thought the potatoes werent thin enought They werent salty enough . 5 . George wanted to make the customer happy . 6 . the customer was happy，t，f，t . The history of potato chips _ _ _ _ _ _ _ _ _ _ _ that potato chips were inventen

3、tpotatochips _ _ _ _ _ _ _ _ _ _ _ by a chef called George crum . they were invented in _ _ _ _ _ by a chef called George crum . they，did you know，were inventer 2b。listen again and complete the sentences。2c .pairwork，a : did you know potato chips were invented by mistake？B : wow，I didnt know that.wh

4、o invented them？a : it was invented by a chef called geroge crum。3a。read the article and answer the questions。who invented tea？1 .What is the article about？2.When was it invented？3.Who was it invented by？4.How was it invented？it is about the invention of tea。it was invented over three thousand years

5、 before 1610.It was in invented by the Chinese emperor It was invented by accident，match them into sentences，the tea，wasnt brought，to the、sheet over an open fire、some leaves、fell、to the water、the emperor、decided、to taste the hot mixture、常见格式如下：make a mistake错误e. g. you have made a mistake here。mista

6、ke for错误they mistook him for his brother。by mistake错误e. g. To me by mistake，3 .did you know that tea was invented by accident？By accident“偶然，偶然”。同义字群组为by chance、同义字为accidentally、反义字为on purpose。4 .although tea wasnt brought to the western world until 1610，(1)although tea wasnt brought to the western

7、world until 1610 e . g . although tea wasnt brought to the western world until 1610 e，(2) not until表示“to”until，引导时间状语从句。I did not go to bed until I finished my homework . 5 . according to an ancient Chinese legend，the emperor Shen Nong discovered tea(1 后接待名词，e.g. according to the radio，it will rain

8、tomorrow。(2) discover表示“发现”，表示发现对象已存在。Find表示“发现”，强调结果。Invent意味着“发明”，发明的对象是以前没有的。，3b。write an article using the notes in the box。a sample version，From pie plate to flying disk the flying disk was invented by college students . flying disk is a metal pie plate . in the 1950s4a。something that you dont like doing .then think of an invention that could help you。write the details in the chart .problem : we often get hurt by the hot water in the cup . new invention : a cup that can tell you the temperature of the water . use 3360 it Ow the temperature of the temperature，1 .thetv _ _ _ _