掇菁撷华网｜又一个老戏骨因癌症而逝世！从胃炎到胃癌，我们到底如何预防？

简介： 一个人数十公斤的身躯和百十来年的寿命基本靠两样东西维持：空气和饮食前者通过呼吸道进入人体，后者通过消化道进入人体，两者经过复杂的代谢过程，共同维 一个人数十公斤的身躯和百十来年的寿命基本靠两样东西维持：空气和饮食前者通过呼吸道进入人体，后者通过消化道进入人体，两者经过复杂的代谢过程，共同维系生存和健康人之初只是一个小得不能再小的受精卵细胞，之后的皮肤、内脏、骨骼、肌肉和脂肪等一切部件都直接或间接来自饮食中的营养物质（还有空气中的氧）因此，饮食对生存和健康起决定作用是毫不奇怪的，但是大量科学文化知识有时候反而让我们看不到那些简单的真知灼见有些人很少得病或去医院，有些人则离不开医院，经常或“定期”看医生

Sentences: -Where is your pen pal from-He‘s from Australia-Where does he live- He lives in Paris-Where is John‘s pen pal fromTeaching aids:Some cards with cities and countriesTeaching procedures:Step 1Lead—in (1a&2a)First greet the studentsThen teacher begins the topic with the Spring FestivalDo you have a nice Spring Festival

然后教师教单词list, shopping list, buy, buy things, kilo, one kilo of chicken legs 引导根据所学习的新单词，学生回答句子：What do you have for lunch todayWhat else do you want to haveWhat do we have in the fridgeCan you go and buy the thingsStep 3 Read and say[课件展示]教师点击图片可以播放影片让学生观看，播放课文对话录音 让学生跟读课文对话，尽可能的模仿录音中的语音语调，教师再点击鼠标出现以下有关问题：What’s in the fridge

教学过程：一、Warm-up1Review verb phrases2Review Unit 1二、Introduction1Prepare a postcard with a picture of own city and ask the children:What’s thisWhat is the placeWhat can you see2Show the back of the postcard and tell the children that Lingling wrotea letter on it三、Presentation1Play the cassette and pause after each utterance for the children torepeat and tick the actions: went to the park, met John, bought ice creams, wenthome, ran to the bus, dropped