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教学课题 Lesson 27　Planet Danny 备注
教学目标 【知识目标】 Important words:telescope,solar,certainly,unless,double,mystery Important phrases:solar system,at night,even if Important sentences: (1)I told my father that we were studying the solar system. (2)Try looking through the other end. (3)Maybe Brian and I can join you after supper.
续表
(4)Scientists use huge telescopes when they look for planets. (5)Well,it's worth a try,even if I don't find a planet. 【能力目标】 学习、了解太阳系,并了解怎样使用望远镜。 【情感目标】 培养学生探索科学的精神。
教学 重难点 重点:1.本课重点单词和句型; 2.unless引导的条件状语从句和even if引导的让步状语从句; 3.宾语从句。 难点:unless引导的条件状语从句和even if引导的让步状语从句。
教学过程
◆Step 1　Lead in Show students the picture on PPT. T:Do you know any of the planets in the solar system Look at the picture.What's this S:It's the sun. Ask other questions on PPT.(见课件) T:OK,now,let's learn something about the solar system. 设计意图:通过让学生看图片,询问学生与本课相关的问题,调动学生的学习积极性。
◆Step 2　Show learning aims. Let the students read the learning aims together.(见课件) ◆Step 3　Learn the new words and expressions. 设计意图:让学生在学习本课时之前,了解本节课的学习目标以及需掌握的单词短语。
◆Step 4　Listening 1.Play the listening material for Lesson 27.Play it once and ask the students just to listen. 2.Play the tape a second time and ask the students to tick the correct answers. (1)What did Danny do last night He tried to study the moon. He tried to find a new planet. (2)What did Danny use A telescope. A book. (3)What did Danny need More sleep.More stars. 3.Check the answers. 【Keys】(1)He tried to find a new planet. (2)A telescope. (3)More sleep. 设计意图:通过反复听磁带并跟读,培养学生们听说的能力。
◆Step 5　Reading Read the lesson and write true(T)or false(F).(见课本P71Let's Do It!1) 1.Danny was studying the solar system at school.(　　) 2.Danny is looking through the telescope when Jenny and Brian come to visit.(　　) 3.During the day,Danny can see many stars in the sky through the telescope.(　　) 4.Jenny and Brian will join Danny after supper.(　　) 5.Danny has discovered a new planet.(　　) 【Keys】1.T　2.T　3.F　4.T　5.F 设计意图:要求学生快速地把握课文信息,学会找关键句,不用详读,快速跳读,以找出答案为目的。
续表
◆Step 6　Language points 1.arrive为不及物动词,意为“到达,来到”,后接表地点的名词时,需使用介词in或at;in用于指较大的地点,at则指比较具体的小地点。arrive at/in与get to/reach同义。 2.本课含有that引导的宾语从句。无论主句是陈述句还是疑问句,宾语从句都应使用陈述语序。 含宾语从句的复合句,主从句谓语动词的时态呼应包括以下三点: (1)如果主句的谓语动词是一般现在时,宾语从句的谓语动词可根据需要,选用相应的时态。 (2)如果主句的谓语动词是一般过去时,宾语从句的谓语动词应用相应的过去时态。 (3)如果宾语从句所表示的是客观事实、普遍真理或自然现象,不管主句用什么时态,从句时态都用一般现在时。 3.【辨析】through与across: through指在立体空间中穿过,多指穿过门、窗、洞、森林等。 across指从某事物表面的一边到另一边,多指穿过街道、马路、桥梁、河流等。 4.come out“出来”,动副短语,无被动语态。 还可表示:(花) 开放;出版,发表。 5.maybe为副词,意为“也许”;may是情态动词,也表示“也许”,但后面必须跟动词原形。 6.join为及物动词,意为“参加,加入”,其后可接人,也可接表示团体、组织、党派等的名词。join为非延续性动词,和表示一段时间的状语连用时应变为be in。 7.unless为连词,意为“除非,如果不”,相当于if...not...。 8.worth意为“有……价值,值得”,常用于be worth+n./doing结构。 9.even if意为“即使;纵然(=even though)”,是从属连词词组,表示假设情况,用来引导让步状语从句。 10.belong to sb.意为“属于某人”,相当于be sb.'s。 belong to不能用于进行时态和被动语态。 11.billions of意为“数十亿计的”。 billion,million,thousand,hundred等数词与具体数字或限定词some,a few,many等词连用时,其后不应加-s。 设计意图:让学生掌握本课重要知识点。
◆Step 7　Practice Read the lesson and fill in the blanks.(见课本P71 Let's Do It!3) On Saturday afternoon,Brian and Jenny visited Danny at his house.When they arrived,Danny was outside looking 　　　 a telescope.Brian and Jenny laughed at Danny because he was using the wrong 　　　 of the telescope.Of course,Danny couldn't see the 　　　 during the day.Brian and Jenny also wanted to join Danny.They decided to come back after supper.After the sun went down,they could see the stars.Danny hoped to 　　　 a new planet. 【Keys】through;end;stars;discover 设计意图:通过练习题,再次阅读对话,着重考查其主要内容的概括,更深层次地理解文章。
◆Blackboard design Lesson 27 重点单词:telescope,solar,certainly,unless,double,mystery 重点词组:solar system,at night,even if 重点句式: (1)I told my father that we were studying the solar system.
续表
(2)Try looking through the other end. (3)Maybe Brian and I can join you after supper. (4)Scientists use huge telescopes when they look for planets. (5)Well,it's worth a try,even if I don't find a planet.
◆Step 8　Exercises Ⅰ.根据首字母提示完成句子 1.With a t　　　,you can see stars in the sky at night. 2.Without treatment,she will almost c　　　 die. 3.Don't ask me to explain u　　　 you really don't understand. 4.According to the research,the total output is d　　　 that of last year. 5.In this way,he was able to solve the m　　　. Ⅱ.句型转换 1.The camera must be Mike's.(同义句转换) The camera must 　　　 　　　 Mike. 2.If you don't go for it,your dream won't come true.(同义句转换) Your dream 　　　 come true 　　　 you go for it. 3.He decided to join an English club.(同义句转换) He 　　　 　　　 　　　 to join an English club. 4.I hope I can pass the exam.(改为简单句) I 　　　 　　　 pass the exam. 5.I would like to have a cup of coffee.(同义句转换) I 　　　 　　　 　　　 a cup of coffee. 【Keys】Ⅰ.1.telescope　2.certainly　3.unless　4.double　5.mystery Ⅱ.1.belong to　2.won't;unless　3.made a decision　4.hope to　5.feel like having 设计意图:通过练习,让学生巩固本课时知识点。
◆Step 9　Homework 1.Preview the words and expressions in Lesson 28. 2.Share your ideas with a partner.
教学反思

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