仁爱科普版Topic 1 Pollution has causes too many problems.公开课课件ppt

这是一份仁爱科普版Topic 1 Pollution has causes too many problems.公开课课件ppt，共31页。PPT课件主要包含了Free talk，Word bank，Work on 1a，para1，para2，coal，effect，cause，oil，sore eyes等内容，欢迎下载使用。

Learning bjectives
4. Tell the differences between Simple Past and Present perfect.
1. Sme wrds: cal, create, bld, planet2. Sme phrases: in many ways, high bld pressure, as well3. Sme sentences: With the increase in ppulatin and the develpment f industry, litter is everywhere.
What d yu think f it? Hw d yu feel?
air pllutin
nise pllutin
water pullutin
Read 1a and chse the best answer.
( ) 1. What is the passage mainly abut? A. Air pllutin B. Light pllutin C. Litter. D. All srts f pllutin( ) 2. ________ destry(s) the sil. A. Chemicals B. Weather C. Nise D. Industry( ) 3. Hw d peple feel after they wrk in strng light fr a lng time? A. Excited. B. Happy. C. Terrible. D. Sad.
Read para.1 and answer the questins.
1.Read and finish the mind-map.
2.Read and understand the first sentence. Then cmplete the secnd ne.
They are bad fr ur health in many ways. They ____________t ur health in different ways.
sil pllutin
light pllutin
peple’s health
d harm
/ are harmful
Read para.2 and answer the questins.
burning gas
Peple may lse their hearing if they wrk in a nisy place fr a lng time.If peple wrk in nisy cnditins fr a lng time they may have ______________.
breathing prblems
hearing lss
Read para.3 and answer the questins.
Litter is everywhere.
the develpment f industry
Farmers use t many chemicals.
effect: dirty envirnment
Peple put lts f water int the land.
the increase in peple
effect: unhealthy fd
Read para.4 and answer the questins.
wrk in a nisy place fr a lng time
Nise pllutin can make peple deaf. Peple may ______ deaf _____________ nise pllutin.
cause high bld pressure
t much nise
make peple deaf
because f
Read para.5 and answer the questins.
wrk in strng light fr a lng time
feel terrible
kinds f illnesses
be bad fr eyes
Language pints
There are many kinds f pllutin arund us, including air pllutin, sil pllutin,nise pllutin and light pllutin. They are bad fr ur health in many ways. Burning gas, il and cal creates air pllutin. It can cause sre eyes and breathing prblems.With the increase in ppulatin and the develpment f industry, litter is everywhere. It makes ur
be bad fr 对有害
make sb./sth. +adj. 使某人/某物怎么样
不健康的 healthy 健康的
lse ne’s hearing=have a hearing lss 丧失听力
It makes ur envirnment dirty. Peple put lts f litter int the land. In the fields, farmers use t many chemicals which destry the sil. Sil pllutin causes unhealthy fd. Nise pllutin can make peple deaf. Fr example, peple may lse their hearing if they wrk in a nisy place fr a lng time. T much nise can cause high bld pressure as well.
Wrking in strng light fr a lng time may cause sme kinds f illnesses. It makes peple feel terrible and is especially bad fr eyes. With less pllutin, ur planet will becme greener and ur health will be better. L et's be greener peple.
Read and remember
the develpment f 的发展
Fr example 例如
high bld pressure 高血压
greener peple 环保人士
Cmplete the passage accrding t 1a.
There are many __________ f pllutin arund us. They are ______ fr ur health in many ways. Air pllutin causes _____ eyes and __________ prblems. ______ makes ur envirnment dirty. Sil pllutin ________ the sil and _______ unhealthy fd. Nise pllutin makes peple ______ and causes high bld pressure. Light pllutin is bad fr _____ and causes sme kinds f __________. With less pllutin, ur planet will becme _______ and ur health will be better. Let’s be greener peple.
kinds/srts
1. 如今，很多人患有高血压。 Nwadays, many peple have _____ ______ ________.2. 动物可以在很多方面帮助人们。 Animals can help peple ____ ____ ______.3. 迈克会打篮球，他跑步也很快。 Mike can play basketball. He runs fast ____ ______.4. 随着工业的发展，污染越来越严重。 ____ ____ ____________ ___ industry, pllutin has becme _____ _____ _____ serius.
high bld pressure
in many ways
With the develpment f
mre and mre
根据汉语意思完成句子。
1.哦，太遗憾了。Oh, 2.有几家化工厂正往溪流里排废水。There are several chemical factry int the stream.3.更糟糕的是，工厂制造太多噪音 ,the factry makes t much nise.
what a shame.
puring waste water
what’s wrse
4.噪音对人类健康有害。Nise humans’ health.5.工作和生活在噪音条件下的人们经常会变聋。Peple wh wrk and live in nisy cnditins ften6.许多美国年轻人的听力几乎和六十五岁老人一样差。Many teenagers in America can hear 65-year-ld peple d.
is harmful t
n better than
Simple Past ＆Present Perfect
has happened
Let’s check
1. Linda has many hbbies, ________ listening t music, cllecting cins, ging cycling and s n. A. fr example B. including C. abut D. and
2. There is ______ pllutin in the wrld. We must stp it. A. much t B. t much C. many D. t many
3. _______ the increase in ppulatin, fd has becme a serius prblem. A. And B. By C. T D. With