9b Unit 1 Life on Mars Welcome to the unit 導(dǎo)學(xué)案
2. read aloud the conversation to the class.3. work in pairs to decide which are the most and least important items.4. get some pairs to share their conversations with the others.5. exercise 根據(jù)下面的短文，選擇正確的單詞填在空格內(nèi)，使短文意思完整正確。seat, pills, dried food, air tank, seat, boots, protect, journey, enjoyable, microphone, watch welcome to our mars shuttle 3! we hope you will have a pleasant _______ to mars. the travel will take 3 days and we will land on mars at around 7.00 a.m. (mt) next monday. now, please look down, you will find a few useful things under your_______. you can use them during the trip and make it safe and_________. now please get familiar with them. first, you’ll see your___________. it will supply oxygen. please carry it on your back. and there is a tube(管子) coming out of it. it is used to carry air into your helmet. you will also find a _______ in your helmet, you can talk to your friends or family members on earth with it. and have you seen the special ______? they will allow you to walk on mars freely. they are heavy. and then, besides them, you can see a pair of sunglasses. they are used to ______ your eyes. we have also got some ______for you if you are hungry. it’s in that green bag. and if you feel uncomfortable, you can eat the yellow vitamin ______in the yellow bottle. lastly, please use your space timer instead of your normal________. time passes differently on mars, you know. and you don’t want to miss the shuttle back. now, it’s time for music. let’s enjoy it.通過教師的呈現(xiàn)激活學(xué)生已有的太空知識。提出關(guān)于火星生活的問題，把學(xué)生的注意力引到課堂中來。并引發(fā)學(xué)生討論。讓學(xué)生討論。處理書本第一部分，呈現(xiàn)生詞，并畫出重要的詞組。鞏固語言教師通過學(xué)生討論和課件的展示，把學(xué)過的詞匯融入在對話中，鞏固該節(jié)課的內(nèi)容學(xué)生回答或討論，以活躍課堂氣氛讓學(xué)生了解人類想辦法搬到另一個星球的原因激發(fā)學(xué)生的求知欲。學(xué)生通過對此組的理解，進一步擴充詞匯量， 并用重點詞組造句