译林版英语Module 5　Unit 2　The environment知识点课件44张

课件44张PPT。
Module 5　Unit 2　The environment
1.quantity n.数量
教材原句
①Ms Lin suggested we should cut back on 　the???? quantity of things we produce in order to save the environment.◆单句填空
②Large quantities of food　are wasted????(waste)because of the way it looks.
③—Why does the river around the village smell terrible?
—Because large quantities of water　have been polluted????(pollute)al-ready.◆完成句子
④如果你大批量购买的话这种产品会便宜很多。
This product is a lot cheaper if you buy it　in quantity???? .
⑤我们省有大量的雨。
There are large　quantities ???? 　of????rain in our province.
点拨
?[联想]
“许多”的表达有:
①?+可数名词复数
②?+不可数名词2.impress vt.使印象深刻;使铭记
教材原句
①As a result, you 　impressed????(impress) the audience.
◆单句填空
② I 　was impressed???? (impress) to see my dad and Uncle Paul riding horses.(2018浙江)
③His speech made a great impression　on????the audience.
◆完成句子
④他让我们认识到需要立刻采取行动。
He　impressed on us????the need for immediate action.
⑤每个人都穿着他们最好的衣服,渴望给我们留下好的印象。
Everyone was dressed in their best clothes, eager to　make/leave/have a good impression on us????.
⑥我不是被他说的话而是被他做的事深深打动了。
I was deeply　impressed by/with????not what he said but what he did.
⑦她的精彩表演给他留下了深刻的印象。
She　impressed him with????her wonderful performance.点拨
impress sb. with/by... 用……给某人留下深刻的印象
be impressed by/with...被……打动;对……有深刻印象
impress sth. on/upon sb.使某人意识到某事的重要性或严重性
[联想]
impression n.印象;感想;压痕
make a good impression on...给……留下好印象
impressive adj.给人深刻印象的
3.decrease vt. & vi.减少 n.减少
教材原句
①This is one of the cheapest and best ways of 　decreasing???? (decrease) desertification.
◆单句填空
②So even if emissions were to begin　to decrease????(decrease) today, we
would still face the challenge of adapting to climate change.
③3D printing can 　reduce????(reduce/decrease)fuel use and emissions.
◆完成句子
④据报道,那家公司的出口量已经减少了3%。
It has been reported that the exports of that company have decreased by?? 3%.
⑤那家商店一些商品的价格已经降到60%。
The prices of some items in that shop　have decreased to???? 60%.点拨
decrease to... 减少到……
decrease by... 减少了……
decrease in...在……方面减少
[辨析]
decrease和reduce
(1)decrease指逐渐减少或衰弱的过程,主语通常是减少的东西,如size,amount,price等。
(2)reduce强调结果,而不是过程,主语是使事物减少的外力。
4.measure n.措施,方法;尺度 vt.测量;估量,判定
教材原句
①The centre has over 300 scientists devoted to finding 　measures???? (measure) that will stop desertification.
◆单句填空
②It found many youngsters (少年) now measure their status 　by???? how much public approval they get online, often through “likes”.(2018江苏)
③Some villagers reported a huge snake,　measuring???? (measure)over two meters long, was found dead in a nearby cave.
◆语篇填空
Much to my sadness, I have to wear the coats made ④　to my own mea-sure????(按照我自己的尺寸)because I'm getting fatter nowadays. Although I know beauty shouldn't be⑤　measured by???? (以……来衡量)a good
shape, it's time for me to ⑥　take measures to lose weight????(采取措施减肥).
◆一词多义(写出句中measure的含义)
⑦Did you measure the distance between those two development zones?
???测量????
⑧To attend the meeting, you need to get a suit made to your own measure.　尺寸????⑨In recent years humans take many measures to prevent global warming.
　措施????
⑩It is difficult to measure the success of the campaign at this stage.
　估量????
点拨
take measures to do sth. 采取措施做某事make...to one's measure 依照某人的尺寸做……
measure...by...用……来衡量……
measure sb. for...为某人量尺寸
[点津]
(1)measure作名词表示“措施”时,常在短语中用复数形式measures。
(2)measure表示“某物有多长(宽、高)”时,为连系动词,其后接表示事物长(宽、高)的度量名词,不用于被动语态和进行时态;如果表示此意义的短语用作后置定语,要用v.-ing形式。5.range n.范围;一系列;山脉 vi.(在一定范围内)变化;包括;排列
教材原句
①Nor is it good news for the wide range 　of???? fish and wildlife that live in or along the river. ◆单句填空
②Those who truly understand the economic impact and can work to change the patterns can create 　a???? wide range of career possibilities.(2018江苏)
③Color choices 　in???? this range are a step up from the small ones in two major ways.
④The team will hold　a????range of activities,including some training and matches.
◆完成句子
⑤一个不明飞行物进入了我的视野。
A UFO came　in/within range of????my vision.
⑥确保你所选的游戏在学生的能力范围内。
Be sure that the game you select is　within range of???? your students' abil-ity.
⑦该市七月份的温度在摄氏28度与35度之间变动。
The temperature ranges 　between???? 28 　and ???? 35 degrees centigrade in July in this city. 点拨
a range of一系列……
beyond/out of one's range/the range of sb.超出某人的范围
in/within range of在……范围之内
range from...to...从……到……变化
range between...and...在……和……之间变化1.cut back on 减少;削减;缩减
教材原句
①It is our duty to try to cut back 　on???? production and reduce the num-ber of things we make and buy.◆单句改错
②I felt I had been cut of from the outside world for years.
of→off
③I must cut out of going to bed too late.
去掉of
◆巧学活用(用cut短语填空)
④How can you　cut down????the risk of cancer?
⑤He also supplied the north when America　cut off????energy aid.
⑥He had　cut up????the meat before his mother came back.
⑦Don't try to　cut in???? while others are talking.点拨
[联想]
cut across抄近路穿过
cut away切除,剪去
cut down砍倒;减少,缩减
cut in插嘴
cut off剪掉,砍掉,中断;阻碍;使……与外界隔绝
cut out删去,删除
cut up切碎
2.run out(of) 用完;耗尽
教材原句
①What if they 　run out???? (用完)?◆单句填空
②Last Sunday I ran　across????a copy of the English-Chinese dictionary in a second-hand bookstore.
③We ran　into????thick fog on the way home.
④Artificial intelligence may run out　of????human control.
⑤Seeing the owner of the shop, the boy ran　away????.
◆一句多译
他们的钱已经用完了。
⑥Their money has run out.(run out)
⑦They have run out of their money.(run out of)
⑧Their money has given out.(give out)点拨
run across 偶然遇见
run after 追求,追赶
run away 突然离开,逃离
run into sb. 撞上/偶然遇见某人
run into sth. 遭遇(困难/问题/恶劣天气等)
run over 碾过,轧过
[辨析]
run out, run out of, give out与use up3.under way 进行中
教材原句
①Two special government projects are also under　way????(进行中).
◆单句填空
②He travelled from Hong Kong　by????way of London.
③　In????a way, I'm glad you made that mistake, for it will serve as a warning to you.
④Let them know that you are there to help in??? any way that is accept-able, while still respecting the privacy of your neighbor.(2018浙江)
◆完成句子
⑤我并不是要通过语言来表达情感,但是通过观看记录在纸上的经历,我获得了一定的满足。
I did not really need to express my emotions　by way of????words, but I gained a certain satisfaction from seeing my experiences forever recorded on paper.
⑥虽然他认为他在帮我们准备晚饭,但他只是在碍手碍脚。
Although he thought he was helping us prepare dinner, he was only　in the way????.
⑦然而在挪威沿海正在进行的实验可以帮助把它们放在任何地方。
An experiment　under way????off the coast of Norway, however, could help put them anywhere. 点拨
[联想]
(1)与way相关的短语:
by way of 经由;经过
in any way 无论如何;在任何情况下
in a way 不完全地;在某种程度上
in the way 妨碍;挡着……的路(2)与under相关的短语:
under construction在建造中
under discussion在讨论中
under investigation在调查中1.it 作形式宾语
教材原句
①I liked 　it???? when you told that joke.我喜欢你讲那个笑话。
◆单句填空
②It enables small-scale farmers to harvest 175 pounds of green vegetables per hour...suddenly making it possible for the little guys 　to compete????
( compete) with large farms of California.(2018江苏)③It is difficult　for????the boy　to solve????(solve)the problem.
④It is foolish　of????you　to do???? (do)such a thing.
⑤In China it is necessary that a senior high school graduate　(should)take??
(take)an entrance exam to be admitted into a university.
⑥I don't like　it????when the weather gets too hot.点拨
句中liked是及物动词,it是形式宾语,真正的宾语为when引导的从句。
[联想]
(1)It is+adj.+for sb. to do sth.某人做某事……
It is+adj.+of sb. to do sth. 做某事某人……(adj.描述sb.的性格、品行、能力等)(2)It is+adj.+that从句
(3)英语中在表示喜爱、憎恶之类的动词后面常常不直接加宾语从句,而要用形式宾语it,然后再加宾语从句,这样的动词有:appreciate, enjoy,
like, dislike, love, hate, prefer等。
2.倍数+what从句
教材原句
①The world's population has grown by six times 　what???? it was in 1800.
◆单句填空
②The average income of Changzhou, though still well below that of Suzhou, has been on the increase and is three times 　what???? it was in 2001
now.
◆句型转换
③The size of the newly-extended square is four times that of the previous one.
→The newly-extended square is 　four times bigger than???? the previous one.
→The newly-extended square is 　four times as big as????the previous one.
→The newly-extended square is 　four times the size of????the previous one.
点拨
此句中six times what it was in 1800表示“是1800年的六倍”。
[联想]
表示倍数的句型还有: