根据提供的信息和语言素材设计教学方案，用英文作答。 设计任务：请阅读下面学生信息和语言素材，设计20分钟的英语阅读教学设计，该方案没有固定的格式．但须包含下列要点： ·teachingobjectives ·teachingcontents ·keyanddifficultpoints ·majorstepsandtimeallocation ·activitiesandjustifications 教学时间：20分钟 学生情况：某城镇普通中学初中二年级(八年级)学生，班级人数40人，多数学生已经达到 《义务教育英语课程标准(2011年版)》三级水平。学生课堂积极性一般。 语言素材： Ifyougotoafastfoodrestaurantorasnakebar,youwillprobablyseealotofteenagers.Today,manyteenagersareoverweight,andsomeofthisisbecauseoftheirbadeatinghabits.Mostteenagerslovefoodwithalotoffat,oil,andsugar.Peopleoftencallthistypeoffood"junkfood". Butfoodeatinghabitsgobeyondfastfood.Manyteenagersfinditdifficulttoeathealthy. Somedon′thavebreakfastbeforetheygotoschool.Duringtheday,somedon′thaveapropermealforlunch.Inarecentsurveyatoneschool,scientistsfoundthatovertwo-thirdsofthestudentsdidn′tfollowahealthydiet.Nearlyhalfofthestudentsdidn′tlikevegetables,andmanyofthemdon′tliketoeatfruits.Theypreferredtoeatfoodwithalotofsalt,sugar,orfat. Parentstodayalsoworryabouttheirchildren′sdiet.Somedoctorsgivethefollowingadvice: ·Teenagersshouldn′teattoomuchjunkfood. ·Teenagersshouldn′teatfoodwithtoomuchsalt.Saltcancausehighbloodpressureinthefuture. ·Teenagersshouldeatfoodwithlessfat,oil,andsugar. ·Teenagersneedtoeatsomefruitandvegetableseveryday.Fruitandvegetablesarerichinvitaminsandhavelittlefat. ·Teenagersneedtodrinkmoremilk.Milkwillhelptheirbonesgrow. ·Teenagersneedtoeatbreakfasteveryday.Thisisgoodfortheirbodyandmind.
Teaching Contents: The passage tells us that many teenagers who are overweight have the bad eating habits, so that the doctors givesome advice about their diet.
Teaching Objectives:
(1) Knowledge objectives
①Students can master the main idea of this passage and know the advantages of the healthy eating habits..
② Students can understand the meaning and usage of the newwords and expressions, such as junk food,overweight, nearly, too much and be good for.
(2) Ability objectives
Students can improve their reading and communicating abilities through class activities.
(3) Emotional objectives .
① Students can know the importance of keeping a healthy diet.
② Students can cooperate with others actively, and improve their confidence of speaking English.
Teaching Key & Difficult Points:
(1) Teaching key points
① Students can make use of the new words and expressions, such as junk food, overweight, nearly, too much andbe good for.
② Students can comprehend the main idea of the passage.
(2) Teaching difficult points
① Students can use the new knowledge correctly in their daily life.
② Students can understand it is very necessary to form the healthy eating habits and begin to refuse the junkfood.
Major Steps:
Step 1 Pre-reading (6 minutes)
(1) Show the table on the blackboard and ask students to discuss about the junk food and healthy food.
Then ask students to fill in the blanks and then check the answer in pairs.
(2) Show the new words and expressions, such as junk food, overweight, nearly, too much and be good for.
① junk food: is food that is unhealthy and/or has little or no nutritional value.
②overweight: too heavy and fat
③ nearly: not quite; not completely
④ too much: more than enough
⑤ be good for: be helpful to
(Justification: Through this step, students can know and divide the junk food and the healthy food. Meanwhile,the students can learn the new words and phrases, which can help them understand the passage.)
Step 2 While-reading (8 minutes)
At this step ask the students to do two activities.
Activity 1: Fast reading
Students will be given two minutes to read the short passage quickly, and then conclude the main idea.
Activity 2: Careful reading
Ask the students to read the passage again and answer the following questions. For instance:
A: How many students didn't follow a healthy diet according to the scientists' survey
B: How many students didn't like vegetables
C: Why the doctors advise that teenagers need to eat some fruit and vegetables every day
(Justification: Different ways of exploiting the text can help students not merely to cope with one particular textin class but to develop their reading strategies and reading ability.)
Step 3 Post,reading (6 minutes)
Choose some volunteers to do the interview. One of the partners acts as the interviewer and the otherinterviewee. Make an interview about the topic of the healthy eating habits, using the knowledge they have learnttoday.
(Justification: Students do the interview in their own way, which helps to apply what they learn in this period inreal situation. At the same time, students can have a better understanding of the topic of food.)
