冀教版八年级下册Lesson 38 The World Is a Big Place教学设计及反思

这是一份冀教版八年级下册Lesson 38 The World Is a Big Place教学设计及反思，共4页。

Teaching
aims
Knwledge aim
Master the wrds and expressins f the cntinents and ceans in English.
Ability aim
Learn mre abut the wrld’s gegraphy
Emtinal aim
T build up public awareness in lving the earth
Key pints
The wrds and expressins in this lessn
Difficult pints
Knw abut the wrld’s physical features
Teaching methd
(Learning methd)
Cmmunicative methd; task-based methd
Teaching prps
English bk, blackbard, PPT
Lead-in
-Hw many cntinents are there in the wrld? What are they?
-What d yu knw abut the place where yu live?
Teaching prcedures
Step1: Wrds
planet /ˈplænɪt/ n.行星
billin /ˈbɪlɪən/ n.十亿；千兆
ttal /ˈtəʊtl/ n.总计；总数
adj.总的；总计的
increase /ɪnˈkriːs/ v.增加；增大
surface /ˈsɜːfɪs/ n.表面；表层
Indian /ˈɪndɪən/ adj.印度的 n.印度人
Atlantic /ætˈlæntɪk/ n. & adj. 大西洋（的）
Arctic /ˈɑːktɪk/ adj.北极的
Listening
Step2: Listening
Listen and fill in the blanks
1. In 2010, the wrld’s ppulatin was ver 7 billin ___in ttal_____. By 2025, the wrld will have ___8 billin__ peple.
2. Abut ___ne third__f the wrld is land.
3. Oceans cver abut ____tw thirds____ f the earth’s surface.
4. The earth is ur hme nw, and it will be __ur hme__ in the future.
Language pints
The wrld’s ppulatin was ver 7 billin in ttal.
the ppulatin f…意为“…的人口”，作主语时，谓语动词用单数。
E.g: The ppulatin f Shenzhen is mre than ten millin.
深圳的人口超过1000万。
billin意为“十亿”，前面有基数词修饰时，billin不加s; 后与f连用时，billin加s
seven billin peple 七十亿人
billins f peple 几十亿人
The wrld’s ppulatin was ver 7 billin in ttal.
in ttal意为“总计；总共”， 常常放在句末
E.g.: I was with my pet dg fr five years in ttal.
我和我的宠物狗在一起的时间总共有五年。
ttal意为“总数；总计”， 可用于短语a ttal f
E.g.: A ttal f ten meetings were held t discuss the prblem.
总共举办了十次会议来讨论这个问题。
Abut ne third f ur planet is land.
ne third表示“三分之一；1/3”
(分子（基数词）)/(分母（序数词）) 分子>1时， 分母+s; 分子>1时， 分母+s
① “分数+f+复数名词”作主语时，谓语动词用复数
② “分数+f+可n.单/不可n.”作主语时，谓语动词用单数
E.g.: Tw thirds f the teachers here are wman. ①
One third f the land is plluted by waste water. ②
Oceans cver tw thirds f the earth’s surface.
cver…with…表示“用…覆盖…” 其被动形式为 “be cvered with…被…覆盖”
E.g.: Antarctica is cvered with snw and ice all year rund.
南极洲终年被冰雪覆盖。
Step3: Reading-fast reading
Para1. a. Six f the seven cntinents are gd fr peple t live n
Para2. b. We shuld treat the earth well
Para3. c. An increasing ppulatin is a big prblem fr the earth
Para4. d. Tw thirds f the earth is cvered with ceans.
Para5 . e. Peple cannt live everywhere n the earth.
1-c; 2-e; 3-a; 4-d; 5-b
Reading
Step3: Reading-careful reading
What prblems des the earth face?
The ppulatin f the wrld
The land peple can live
Grammar
Step4: Grammar
英语中动词分为主动和被动两种语态。
主动语态：动作的发出者。 被动语态：动作的承受者。
我教你们。 你们由我来教。
I teach yu. Yu are taught by me.
他拿走了那本书。 那本书被他拿走了。
He tk away that bk. That bk was taken away by him.
例句（主动）
例句（被动）
时态
被动语态构成
We cleaned the classrm.
The classrm is cleaned by us.
一般现在时
am/is/are+dne
He made the kite.
The kite was made by him.
一般过去时
was/were+dne
(We) will plant trees tmrrw.
Trees will be planted tmrrw.
一般将来时
will+be+dne
I can find him.
He can be fund by me.
含有情态动词
情态动词+be+dne
Summary
Wrds: planet; billin; ttal; increase; surface; Indian; Atlantic; Arctic
Phrases: in ttal; ne third; be cvered with; tw thirds
Sentences:
These dry places are called deserts.
Antarctica is cvered with snw and ice all year rund.
Oceans cver tw thirds f the earth’s surface.
Hmewrk
Cpy the wrds, phrases and sentences n the exercise bk.
Finish wrkbk 《轻松学英语》
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