(共27张PPT)
Unit 3 The environment
第2课时 Reading
目录
01
要点精讲
02
课堂练习
要点精讲
1
Without it, the Earth would be the same as the Moon—cold and lifeless. 没有它,地球将会像月球一样冷冰冰的,毫无生命迹象。
用法
1. 本句是虚拟语气。虚拟语气是说话者用来表示假设或难以实现的情况,而非客观存在的事实。它所陈述的是一个条件,不一定是事实,甚至可能与事实完全相反。使用虚
拟语气时,若表示与现在事实相反,则从句要用一般过去时(be用were而不用was),主句用would / should / could / might + 动词原形。句中的without … 相于if there weren’t …。如:
If there were no air or water,there would be no living things on Earth. 如果没有空气或者水,地球上就不会有生物。(事实:地球上既有空气也有水)
Without the Sun, nothing would grow. 没有太阳,什么东西都不会生长。
2. (be) the same as表示“类似,相同”,通常指某个事物跟另一个事物很像。如:
His last name is the same as mine. 我们同姓。
1. We couldn’t finish our work so early __________ your help. Thank you!
2. 这条牛仔裤跟我的一样。(汉译英)
____________________________________________________
应用
without
This pair of jeans is the same as mine.
2
When we burn fuels such as petrol and coal, we produce a gas called carbon dioxide (CO2). 当我们燃烧如汽油和煤这样的燃料时,会产生一种叫二氧化碳的气体。
用法
when在句中引导时间状语从句,而called carbon dioxide则充当后置定语,修饰gas。如:When he brought her a drink, she gave him a sweet smile of thanks. 当他给她拿来一杯饮料时,她给了他一个甜美的充满感激的微笑。
( )1. __________ the dinner was all over, everyone helped wash the dishes.
A. How B. When C. Before D. What
2. I don’t know anyone __________ (call)Scott.
应用
Have you seen the teleplay called Reset 你看过《开端》这部电视剧吗?
B
called
3
This creates mountains of rubbish and pollutes our land and seas. 这就产生了大量的垃圾,并且污染了我们的土地和海洋。
用法
mountains of 意为“许多;大量”,既可以修饰可数名词复数,又可以修饰不可数名词。如:
Jimmy is a book-lover and he has mountains of books at home. 吉米是个“书虫”,他家里有很多书。
既可以修饰可数名词复数,又可以修饰不可数名词的单词或短语有:mountains of, a lot of, lots of, some, all, enough, plenty of等。
拓展
1. Computers can store mountains of data and information.
___________________________________________________
2. There are plenty of activities at the resort.
___________________________________________________
应用
改为同义句
Computers can store lots of data and information.
There are mountains of activities at the resort.
4
In order to protect the environment, we need to take proper action . 为了保护环境,我们需要采取恰当的行动。
用法
1. in order to意为“为了;以便”,用于引导目的状语从句,可以置于句首或句中。如:
In order to go to school on time, my father drives me to school every day. 为了准时到校,我爸爸每天开车送我上学。
We got up early in order to catch the first bus. 为了赶上早班车,我们早早起了床。
2. take proper action 意为“采取恰当的行动”。如:
The government has taken proper action to stop such kind of cheating. 政府已经采取了恰当的行动去阻止这种欺骗行为。
1. in order to do sth. =so as to do sth. ,意为“为了做某事”。
2. in order that+从句=so that+从句,意为“为了……”,后者常位于句中。
3. take action to do sth.=take steps to do sth.,意为“采取行动去做某事”,后者通常位于句中。
拓展
( )1. _____he can have a better English-learning environment, his parents decide to send him to go camping in the US during next summer vacation.
A. In order to B. In order that C. So as to D. So that
应用
B
2. We should get rid of these bad habits and take action to protect the environment. (改为同义句)
___________________________________________________
___________________________________________________
We should get rid of these bad habits and take steps to protect the environment.
一、根据汉语意思完成句子,每空一词
1. 你对将进行的考试有什么担忧?
What is your __________ __________ the coming exam
2. 野生动物如今处于危险之中,我们应该保护他们。
Nowadays wild animals are __________ __________ , so we should protect them.
课堂练习
concern
about
in
danger
3. 西蒙有早上读语文的习惯。
Simon __________ __________ __________ __________ reading Chinese in the morning.
4. 由于天气不好,运动会取消了。
The sports meeting was canceled __________ __________ __________ __________ the bad weather.
has
a
habit
of
as
a
result
of
5. 燃烧塑料制品是错误的,因为它对环境有害。
It is wrong to burn things made of plastic because it isn’t __________ __________ the environment.
friendly
to
二、本课时主要短语串联应用(用方框内所给短语的适当形式填空)
in danger, be concerned about, in order to, make a difference, be different from
Dave 1.___________________ the environment so he decides to do something to protect it. Every morning, he starts his day by taking a shower instead of taking a bath. After having
is concerned about
breakfast, he rides a bike to school. After washing his hands, Dave will turn off the tap in time. And he will switch off the lights when he leaves the classroom. 2.______________ save paper, he always uses both sides of the paper when he does his homework.
Dave thinks that everyone has a responsibility to protect the environment because our world is 3._____________ . As
In order to
in danger
students, we should 4.________________ many adults and become “green citizens”. He says that if everyone learns to live in green ways, we will 5.________________ in protecting our home.
be different from
make a difference
三、短文填空
以下是一则短文,请阅读短文,并从下列方框里的六个句子中选择五个还原到原文中,使原文的意思完整、连贯。
A. There, sunlight and waves break the plastic waste down to very small pieces.
B. The scientists are sure that the plastic must be harmful to humans.
C. According to USA Today, 90% of sea salt which is sold in the world includes plastic.
D. The scientists followed eight healthy volunteers from different parts of the world.
E. However, the scientists aren’t sure if the plastic is harmful to humans.
F. Scientists found nine different kinds of plastic in the stool samples, according to the study.
We have found plastic in the ocean and in animals like birds, fish and whales. But for the first time, scientists have found plastic in human poop (大便), USA Today reported. The findings came from a study led by scientists from Environment Agency Austria. 1. _____ The volunteers wrote down what they ate for a week and then provided a stool sample (大便样本) for testing.
D
2. _____ About 20 small plastic particles (IM) were found in every 10 grams of stool. “The smallest plastic particles can enter the blood, the lymphatic system(淋巴系统), and may even reach the liver (肝脏),”said Philipp Schwabl, who took part in the research. 3. _____ They’re not sure how the plastic got in the volunteers’ bodies either. But most of the volunteers said they drank from plastic bottles and also ate seafood that could include plastic from ocean pollution.
F
E
In fact, plastic is everywhere around us. Every year, lots of plastic waste goes into the ocean.
4. _____ Most of the particles stay in the ocean. Others can spread into the soil and air. Could plastic in the air fall onto food and get into the human body
Some past studies may also give us a clue(线索). 5. _____ And even some drinking water has been found to have tiny plastic particles in it.
A
C
THANKS!