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1、八年级英语上第2单元第4课时学案Unit 2 How often do you exercise?The fourth period Section B (2a2e) 平邑街道一中 赵旋 联系电话: 13791506529 【学习目标】1. 学习并掌握下列单词:percent, online, television, although, through, mind, body, such, such as, together, die, writer2. 能正确使用以下常用表达:in ones free time, use of the Internet, fifteen percent of
2、, one to three times a week, notat all, go online, be surprised that, the answers to the questions, Its good to do sth., the best way to, start doing3. 学会使用以下句型: 1) Our questions were about exercise, use of the Internet and watching TV. 2) Here are the results. 3) Only fifteen percent of our student
3、s exercise every day. 4) Most students use it for fun and not for homework. 5)Although many students like to watch sports, game shows are the most popular. 6) Its good to relax by using the Internet or watching game shows, but we think the best way to relax is through exercise. 7) Its healthy for th
4、e mind and the body. 8) Old habits die hard. 2. 【重点难点】重点:掌握percent, although, through, mind, such as, die等重点词汇的运用。 难点:Here are引导的倒装句;although引导的让步状语从句; Its good to do sth.【新知预习】一、根据汉语意思写出短语。1.玩电脑游戏_ 2. 去野营_ 3. 空闲时间_4. 百分之十五_ 5. 一周四到六次_ 6. 一周一到三次_7. 一点也不_ 8. 上网_ 9. 我们问题的答案_10. 放松的最好方式_ 11. 例如_ 12. 共度
5、时光_ 【课堂探究】1. Here are the results. 这是一个倒装句。在英语中here, there放在句首时,句子通常用倒装语序。例如:Here are the results of the math exam.【互动训练针对训练】Here_ the bus. (公共汽车来了)2. percent的用法:percent意为“百分之”,没有复数形式,“数词+percent of+名词”意为“当中的百分之多少”,在通常情况下,其中的名词是特指的,所以通常会带有定冠词the或其他表特指的限定词(如his, her, these, those, Toms等),用它所修饰的名词来判断谓
6、语的单复数。如:Only fifteen percent of our students exercise every day.【针对训练】Sixty percent of students _(be) 16 years old. 【拓展】The result of意为“的结果”,of后跟名词,result 可用单数也可用复数。【互动训练】这是他们比赛的结果。Here is _ _ _ their match.23. Most students use it for fun and not for homework. for 此处意为“为了”。例如:He came to Jims home f
7、or dinner.【拓展】介词for的用法:1). “对于,关于”例如:English is easy for him. 2). 做事“达到”多长时间,例如:I slept for 10 hours last night. 3). 表示目的,“为了”,例如:The girl bought a sweater for her mother. 4). 表示原因,例如: Thanks for helping me. 34. Although many students like to watch sports, game shows are the most popular.although连词,
8、意为“即使,纵然,虽然”,相当于though,在同一个句子中,although/though不能与but 连用。例如:Although/though he is very tired, he doesnt have a rest.【互动训练针对练习】_they are brothers, they dont look like each other at all. A. Because B. Though C. When D. As It isnt warm today, the sun is shining. A. or B. and C. because D. although45. su
9、ch as的用法。such as用来列举同类人或物中的几个例子,可置于被列举的事物与前面的名词之间,但其后边不能用逗号。如:Boys such as John and James are very friendly.像约翰和詹姆斯这样的男孩都很友好。【针对练习互动训练】I like drinks (例如)tea and milk. 6. And remember,“old habits die hard”. 记住“旧习难改”。 【拓展】such as与for example的用法区别。for example强调“举例”说明,而且一般只举同类人或物中的一个作为插入语,且用逗号隔开,可置于句首、句
10、中或句末。如:Many people here, for example, John, would rather have coffee. 这里有许多人,例如约翰很喜欢喝咖啡。 【互动训练】He, , is a good student. A. like B. such as C. for example D. because【达标练习】一、单项选择。( )1. (2012山东日照)I really enjoyed your speech, _ there were some parts I didnt quite understand. A. because B. for C. until
11、D. though( )2. Milk is good _ our _.A. to; healthy B. to; health C. for; healthy D. for; health( )3. What kind of food do you think is junk food?Junk food _ hamburgers.A. for example B. such as C. because D. so( )4. How many students do not exercise at all? Most of us exercise every day, only _ of s
12、tudents do not exercise at all. A. fifteen percent B. fifty percent C. seventy percent D. eighty percent( )5. My mother goes to the shopping centre .A. once time a week B. once a week C. one time a week D. once every week( )6. There are 85% students watching TV every day. So we know students do it.
13、A. all B. some C. most D. noII.二、 根据句意及首字母完成单词。1. Twenty p_ of the students play sports after school.2. Lu Xun is a famous w_. 3. Whats your favorite p on TV?4. How often do you usesurf the I ?5. Here are the r of the student activity survey at Green High school. III. 三、句型转换。1. She plays sports ever
14、y morning.(改为一般疑问句)_ she _ sports every morning?2. She watches TV at least once or twice a week. (就画线部分提问) _ _ does she _ TV?3. They often play basketball on Saturdays and Sundays. (改为同义句)They often play basketball _ _.4. They often sleep for eight hours every night.(对画线部分提问) do they sleep every night?