八年级英语下册 Module 3 Journey to space Unit 1 Has it arrived yet导学案1（无答案）（新版）外研版.doc

module 3 journey to spaceunit 1 has it arrived yet?一学习目标：1.熟记本单元所学的新单词，短语及日常用语，并能准确运用2.掌握含有already, just, yet现在完成时现在完成时句型二.教学重难点1.重点句子：ive just made a model spaceship. has it arrived yet? astronauts have already been to the moon.2.难点：现在完成时的应用。三.学习步骤：1课前延伸： 课前朗读 ：根据音标读出单词并了解汉语意思，养成学生自主学习词汇的习惯，促使学生迅速进入学习状态。2、课内探究：（一），listening1. listen and number the words as you hear them.earth land messagemoon news planetreach scientist2. listen again and complete the notes. news about the trip to (1) _ journey of (2) _ months has not sent back any (3) _ yet hope to fi nd (4) _ on mars3. listen to the conversation and check the true sentences.( ) 1. daming has justceship for the school project.( ) 2. the spaceship to mars has arrived.( ) 3. no one has been to the moon.( )4. there arent any astronauts in the spaceship to mars .( ) 5. they have discovered life on mars.(二). reading1. now read the conversation and answer the questions.1). what school project have daming and tony got?2). how does daming feel aboutthe school project?3). what news has tony heard?4). has anyone been to mars? why?2. complete the passage with the correct form of the words in the box.on todays news, tony has heard that scientists have (1) _ a spaceship to mars and it has (2) _ on the (3) _ after a journey of several months from the earth. scientists have not (4) _ life on mars (5) _. and no astronaut has ever been to mars because it is very far away.(三)、language points: what are you up to?你在忙什么？（unit1）be up to意为“忙于，从事，正在做”,常用于口语中翻译：我最近没见你，忙什么呢？i havent seen you these days recently, _.so they have discovered life on mars?那么他们在火星上发现生命了吗？（unit1）discover为及物动词， 意为“_”辨析：discover/ find/ inventdiscover表示“偶然”或“经过努力”发现客观存在的事物、真理或错误。find意为“发现，找到”，指对某种事物的寻找，强调找的结果，其后可接名词或从句。invent意为“发明”，指经过认识和实践创造出以前没有的东西。【exercise】 who _ america?a. found b. discovered c. invented d. looked3. astronauts have already been to the moon. but no one has been to mars.科学家们已经去过月球。但是没有人去过火星。试比较：1). i have been to beijing twice.2). astronauts have been to the space station. they returned last week.3). tom has gone to america. he will return next week.4). lingling and daming have gone to shanghai.they will stay there for five days.have/has been to去过某地（已经回来）have/has gone to去了某地（还未回来）牛刀小试：(1)-where have you been? -i have _ to the supermarket.(2)-where is lingling? she is not here now. -she has _ to the zoo.(3)tony has _ to england many times. he wants to go there again.(4)-have you _ to the hospital to see ms wang? -yes, i have.4. grammar:朗读下面4个句子：1）.has it arrived ityet?2）.ive just made this model of the space station）3.i havent started it yet.4）.but astronauts have already been to the moon.比较：already表示已经，用于_句，放在句_或_yet表示，尚，未用于_和_句，放在句_just表示刚刚用于_句,放在句_-【即学即练】 用just, already, yet填空:(1)theyve _seen the film twice. its wonderful.(2)david has _come back from new york.(3)mum, ive _finished my homework. can i play football?(4)theyve _heard the news. now, theyre talking about it.(5)xiao ming hasnt returned _. his mother is angry.(6)have the students found the lost dog _?(7)no one from other planets has sent us a message_.（四）、当堂达标检测1.用have/has gone或have/has been1)-where are the boy students ?-they _ to the school factory.2)- is your father at home?- no, he _ to shenzhen. -_he ever _ there before ?-yes, he _ there several time2. 用动词的适当形式填空：1). i _just_(eat) some ice cream.2). they_( not find) any life on mars yet.3). lucy _(show) her model to usalready.3. 单项选择：1).they _to america last year.a. have travelled b. travel c. travelled2). i am listening to the news _the radio about the war in iraq.a. in b. on c. of3). “_ does it take?” “it takes half an hour.”a. how long b. how soon c. how far d. how often4). he promised to pick me up at the school gate. however, he _ yet. a. didnt arrive b. doesnt arrivec. is