北师大版（2019）必修第二册Unit 5 Humans and Nature 复习课件(共22张PPT)

(共22张PPT)
Unit 5
Humans and Nature
--GXY
Acquire English Wisely； Apply English widely.
Review
Focus on our book
Focus on our book
1.be covered with
2.natural disasters
3.noise/ air/ water/ soil pollution
4.climate change
5.be shocked/ surprised/ amazed at/ by/ to do sth.
6.get hurt
7.turn one’s back on
8.in fact
9.different/ all kinds of
10.suffer from
11.share with
12.make use of
1.survive a storm/ a disaster
2.happen to sb.
3.it takes sb. some time to do sth.
4.risk doing sth.
5.all at once
6.in less than a minute
7.in a terrible storm
8.fall into the sea
9.cry out
10.the moment/ at the moment
Focus on our book
11.in the direction of
12.as if
13.on the edge of
14.moment after moment
15.at great speed
16.the more...,the more...
17.the reason why...is that...
18.in the end
19.with my brother in it
20.pick up
Focus on our book
1.seaarch for
2.our goal is to do sth.
it’s our duty to do sth.
my advice is to do sth.
3.move away from
4.knock on a wall
5.interrupt sb.
6.sorry for doing sth.
7.run out of
8.as you know
9.as well as
10.in your rescue attemps
11.feel/ be proud of/ take pride in
12.breathe in/ out
13.try one’s best to do sth.
Focus on our book
1.on 1 June, 1910
2.the race to
3.in preparation for
make preparations for
prepare for
4.make rapid/ great progress
5.ahead of
6.at one time
7.in the distant past
8.have great difficulty (in)doing
9.hope to do sth.
10.carry on
11.get weaker and weaker
12.be moved by
13.fail to do sth.
14.get into a difficult situation
Focus on our book
1.avoid doing sth.
2.protect sb. from doing sth.
shelter sb. from doing sth.
stop sb. from doing sth.
keep sb. from doing sth.
Focus on our book
1.be home to
2.be native to
3.a total area of
4.at least
5.be famous for/ as/ in
6.in fact
7.be made up of
8.be full of/ be filled with
9.the best place to do
10.be perfect for
11.be based on / on the basis of
12.a pack of
13.as a result/ as a result of
13.have an effect on
Focus on our book
Put to use
Put to use
1. All at once, the sky was covered with darkclouds and in less than a minute we were in a terrible storm.
all at once突然间，刹那。如：
Allatonce，his name came into my mind.突然，他的名字跃入我的脑海。
be covered with被……覆盖。如：
The garden is covered with cherry tree flowers so that it looks as though it might be covered with pink snow.整个花园满是樱花，看起来好像是铺着一层粉色的雪。
2. In the end, a boat picked me up.
pick up营救,搭救。如:
The suvivors were picked up by fishing boats from a nearby vilage.幸存者被附近村庄的渔船救了起来。
3. First,his two sledges broke down and then the horses began to have serious difficulties with the snow and the cold.
break down停止运转，出故障。如：
The old electric fan has broken down. Weneed to buy a new one.旧电扇坏了，我们得买个新的。
Put to use
4. Then he prepared for the return journey.
prepare for sth为某事做准备。如：
It's time to prepare for our final exam.该准备期末考试了。
5. The men were soon very tired and were running out of food.
run out（of）用完，耗尽。如：
They almost ran out of food and felt helpless. 食物快吃光了，他们感到很无助。
Put to use
6. Later, these rocks proved that at one time in the distant past, the continent of Antarctica was covered by plants.
at one time曾经有一个时期，一度。如：
At one time he lived with his uncle.他曾一度与叔叔住在一起。
7. Scott and two of his team members carried on and got within eleven miles of one of their food bases.
carry on继续走，继续行进。如：
She stopped and looked back，then carried on down the stairs，她停下来往后看了看，又继续下楼。
Put to use
8. Stop your car as soon as you can,but avoid stopping near a building or under a tree.
avoid doing sth避免做某事。如：
Why do we avoid doing what we love to do？为什么不去做我们热衷的事情呢？
Put to use
Grammar
Grammar:Relative Clauses（2）
定语从句（2）
关系副词where和when引导的定语从句提供地点和时间方面的信息。
·This is the place where I lost my purse.
·Marco Polo travelled to China where there were inventions and developments at that time.
· She still remembers the day when Bill first walked into her office.
· I'll never forget the day when I first met this great inventor.
在reason后使用why引导定语从句。
· Do you know the reason why he's so angry with me
· Could you tell me the reason why you lvaste time going to the bank when you can do your banking online？
有时，reason后面的why可以省略，或者使用that。
● The smog is the reason (that)he's coughing so badly.
Grammar:Relative Clauses（2）
Grammar
Homework
整理、背诵并听写课件中的重点词组；
完成课本46-48页，82-83页。
Thank you for listening!