Unit 13 We’re trying to save the earth Section A 第 3 课时(3a-4c)学案

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名称 Unit 13 We’re trying to save the earth Section A 第 3 课时(3a-4c)学案
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科目 英语
更新时间 2022-06-29 10:20:25

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Section A 第 3 课时(3a 4c)
自主学习方案
1.学生自学生词,并记住单词拼读和拼写。
2.预习课本,找出重点短语和句式。(见学案中自学导练的内容) 3.读记后完成自学导练作业。
课堂导学方案
Step1 情景导入
Have you heard of the shark fins soup It comes from sharks. People catch the sharks and cut off the fins and throw the sharks into the ocean. They are cruel and they are destroying the environment. If we want to learn about more , we can learn the passage on P99.
环节说明:借助多媒体课件,通过师生问答的方式导入新课,生动自然,能引起学生学习短文的兴趣。
Step2完成教材3a 4c的教学任务
1.要求学生快速默读短文,熟知大意,并完成课本3a的任务,然后邀请几位同学给出自己的答案,全班一起检查讨论。
2.先邀请几位同学朗读短文,教师要注意语音,及时纠正错误,然后播放录音,全班同学一起跟读。
3.再读短文,完成3b的任务,教师引导复习so, although,if,but,when 等连词的用法。
4.短文内容巩固练习,教师将短文中重点短语及词汇空出,让学生不看书补充完成。
环节说明:将读、写的任务结合起来,不仅可锻炼 学生语言综合运用能力,还巩固了学生对目标语言的学习、识记和运用。
Step 3 完成教材Grammar 4c的任务
1.学生朗读语法句子,教师引导学生归纳语法知识, 参考学案单元语法精讲精练并完成相对应的练习。
2.学生独立完成4a 4c的任务,并列出清单。
Step4 问题探究
(C)1.(山东潍坊中考)一Are Betty and Lingling still living in Beijing
— No,they ________ to Qingdao.
A. will move B. are moved
C. have just moved D. move
(D )2.(贵州黔西南中考)I _________ my hometown for a long time,I really miss it.
A. left
B . went away from
C. have left
D.have been away from
课堂资料包
Step 1重难点解析
1.Save the Sharks!拯救鲨鱼!
save作动词,意为“救,拯救”后常跟介词from。如: He saved the boy from the big fire.他从大火中救出了那个男孩。
The dog saved the girls life .那只狗救了女孩的命。
【拓展】①save作及物动词,意为“储蓄,贮存;节省”。如:
She saved her strength for the last minutes of the race.她保存体力,准备在比赛的最后几分钟冲剌。
Good house keeping saves money.善于理家节省开支。
②save作不及物动词,意为“节省;存钱;贮存物品”。如:
Children should learn to save.孩子们应学会储蓄。
Some animals save for the future. 一些动物为未来之需储存食品。
2.When people catch sharks, they cut off their fins and throw the shark back into the ocean.当人们抓住鲨鱼的时候削下它们的鱼鳍,又把它们扔回海里。
cut off有以下几种意思:
(1)切断(水、电);中断;关掉。如:
Their water supply was cut off.他们的水源被切断了。All communications are cut off. 一切通讯都被切断了。
(2)切下来;剪下来。如:
The rope is two feet longer than we needed, so we cut off the extra length.绳子比我们需要的长两 英尺,因此我们把多余的给剪下来了。
(3)孤立。如:
The enemy soldiers were cut off from their headquarters.敌军同总部的联系被切断,成了孤军。
The flood cut off the villagers from the rest of the world.洪水切断了村民们与外界的联系。
(4)剥夺继承权。如:
He has cut his son off without a penny.他取消了儿子的继承权,一便士也不给。
【拓展】cut的其他短语:
cut in插嘴;超车;插入
cut out切断;删去;停止;关掉
cut back削减;修剪
cut short缩短;打断;缩减
cut from从 上切下
cut through刺穿;抄近路走过
cut away切掉,砍掉
cut down on 削减,减少
cut up切碎;抨击
cut down削减;砍倒;杀死;删剪;胜过
3. ________ you ever ________ (take) part in an environmental project?你曾经参加过环保活动吗?
take part in意为“参加”。如:
Did you take part in any activities?你参加过一些活动吗?
I take part in individual sports.我参加个人运动。
Everybody can take part in the tender.任何人都可以参加投标。
【辨析】join ,join in 与 take part in
Step 2小结训练
(C) 1.(福建泉州中考)一If we take a shower instead of bath, more water _________ .
—I agree with you.
A. has saved B . can save
C . can be saved
(A)2. I was ________ the middle of the telephone call.
A. cut off B . cut down
C . cut in
(C )3. People who ________ sports must be in condition.
A . join B . join in
C . take part in
Step3 问题探究
凯特从树丛中剪下一些花。
Kate cut off some flowers from the bush.
Step4 家庭作业
完成课后提升作业。
教学反思
本课时主要是了解动物所处的生活环境。通过多媒体的展示及教师课堂设计,让学生在愉悦的环境下轻松地掌握了本课时重要语法点及语言知识点。