人教版（2019）必修第一册Unit 4 Natural disasters Language points课件(共37张PPT)

(共37张PPT)
Words
Part 1
flood
(1)①n. 洪水[U]/[C]
The heavy rain caused floods in the houses by the river.
②vt.淹没；使…灌满水
A flood of floods flooded the valley.
③vi. 淹没；The cellar（地窖） floods whenever it rains heavily.
大量
a flood of
(2) flood into sth /in 涌入（…）
Donations began to flood in from kind people.
flood sth with sth 某处铺满或者充满… (be flooded with…充满…)
The place was flooded with light.
2. rescue
n.& vt. 营救；救援
rescue workers
What are the rescue workers and soldiers doing in the flood-hit area
在受灾地区，救援人员和士兵在做什么？
救援人员
Firefighters rescued a child from a burning building
come to one’s rescue援救或救助 某人
A boy was trapped in the building and soon a rescue team came to his rescue.
rescue sb./ sth. from… 从……中营救某人/某物
3. damage
vt. 损害；破坏
Smoking seriously damages your health.
吸烟严重损害健康。
n.损坏；损失
cause damage to sb/sth 对……引起损害
The earthquake caused serious damage to the house.
地震给这所房子造成了严重的损坏。
do damage to sb/sth 对……造成损害
The storm didn't do much damage to crops.
暴风雨并未对庄稼造成严重损失。
4. death n.死，死亡
Adj. 垂死的
Adj.死亡的
dying
dead
die
V. 死亡；去世
4. death n.死，死亡
【总结下列有关单词的含义】
(1)The hero _______(die) ten years ago. That is to say, he _________________for ten years.
(2) The_______ man was saved by a kind passer-by.
(3)The tornado has caused many ________.
died
has been dead
dying
deaths
（4）了解一下：
a matter of life and death ；
be frightened/scared to death;
starve to death;
be sentenced to death
逝世，死亡；消亡
奄奄一息的
死亡，灭亡；生命终止
6. affect
（1）vt. 影响；（疾 病 ） 侵袭 ；深深打动
A bad home environment can affect a child's healthy growth.
不良的家庭环境能影响儿童的健康成长。
be greatly/deeply affected by… 被…深深影响
eg. 我们所有人都被他的故事打动了。
All of us are greatly affected by his story.
(2)n. effect 影响；结果
have an effect on sth/sb；
have an influence on sth/sb;
对某事/某人产生影响
make a difference to sb. 对某人有作用或影响
Sometimes family environment has an unbelievable effect on the shaping(塑造） of children’s characters.
7.Power n.电力供应；能量；力量；控制力
have the power to do sth.
out of one’s power
beyond one’s power
powerful
powerless
强有力的
无力的
Words and Expressions
part2
针对何时的假设 as if从句谓语动词
①现在情况
②已过去情况
③对将来情况
1. as if
一般过去时，即 were 或did
过去完成时，即had done
“过去将来时”，即would/could/might/should +V原形
※as if 从句动词所用的时态，比实际情况要早一个时态！
③对将来情况进行假设时，
He will open he his mouth as if he ___________something.
①对现在情况：
When a chopstick is put into a cup of water, it looks as if it ________(be) broken.
He looks as if he ____________ (not know) the result.
②对已过去情况：
My mother turned her back on me as if she_________
(know) my exam grades.
were
didn’t know
had known
would say
Exes
1.He behaved as if nothing _____________.
2.Children looks up to her as if she _______ their own mother.
3.It was John who broke the window. Why are you talking to me as if I ____________it
had happened
were
had broken
(be)
(happen)
(broke)
2.come to an end = to finish 完结
eg Everyone wishes the war would come to an end soon.
【拓展】常见的含end的其它短语：
in the end 最后
on end 连续地
【语境应用】用end短语的适当形式填空。
1) There has been no rain for weeks ______________.
2) We were thinking about going to Switzerland, but ______________ we went to Austria.
3) The meeting finally ______________ at six yesterday.
on end
in the end
came to an end
3. ruin
n. 破坏；毁坏；废墟（多用复数）
vt. 破坏；毁坏
（be/lie) in ruins 严重受损；破败不堪；成为废墟
in ruins 一片废墟
The bad weather ruined
our trip.
【语境应用】根据提示补全句子。
1) After the flood, the houses along the river were _____________ (严重受损).
2) You’ll completely ______________ (毁了这些花) if you touch them.
in ruins
ruin the flowers
(1)词形变化：adj.________;
__________
shocking
词形变化以及短语搭配同“surprise”
shocked
4. shock n.震惊[U]，令人震惊的事[C]；休克；
vt.使某人感到震惊，
(2)短语及句型：
对…感到震惊；____________
____________
震惊，吃惊；__________
be shocked at /by sth;
be shocked to do sth
in shock
【语境应用】完成句子。
1) I still remember visiting a friend who’d lived here for five years and I _____________ (shock) when I learnt she hadn’t cooked once in all that time.
2) After the __________ news spread throughout the whole city, everyone felt ________. (shock)
3) She was __________ (震惊地) for about two weeks after the accident.
was shocked
shocking
shocked
in shock
5. trap
n. 险境；陷阱
set a trap
fall into a trap
A fox fell into a trap.
一只狐狸掉进了陷阱里。
设陷阱
掉进陷阱
vt. 使落入险境；使陷入圈套
Some of the workers were trapped in the ruins.
They trapped him into stealing the purse.
be trapped in…被困于
trap sb into（doing）sth诱使某人（做）某事
无连词且被动形式的短语作非谓时：去be，
即只保留 V-ed（+介+宾）
Exes 用trap的正确形式填空
①She ____________ in the burning house.
②someone him committing a crime .
③_________ in the burning building, the team were waiting for rescue anxiously.
was trapped
Trapped
traps
into
(1)短语：bury sth in sth.
6.bury vt.埋葬；安葬;
把…埋到…里
She buried her face in her hands and cried.
_______ himself in the book，
_______ in the book,
（2）bury oneself in sth
He has buried himself in his work since he came here.
be buried in sth
He was buried in the book , so he didn’t notice it raining outside .
无连词且vt 作非谓时：
①无自身宾语，用V-ed形式；
②有自身宾语，用V-ing形式
Buring
Buried
谓语
连词
he didn’t notice it raining
outside.
无连词
专心于…
7. breathe
vi.& vt.呼吸
【拓展】
breath n. 气息；呼吸；一口气
hold one's breath
屏住气
out of breath
上气不接气
take a deep breath.
深呼吸
【语境应用】完成句子。
1) When we climbed to the top of the building, we _________________ (上气不接下气)．
2) If you are nervous, you can _______________ (深呼吸)．
3) 人们每天呼吸着脏空气。
People breathe dirty air every day.
were out of breath　
take a deep breath
8. effort短语
make an effort/efforts/every effort to do sth.
尽一切努力做某事
with (an) effort 努力地
without effort 毫不费力地
【拓展】“用尽全力做某事”的表达：
try/do one’s best to do sth.
【语境应用】完成句子。
1) 我们必须尽一切努力以减缓病情的发展。
We must _________________ to slow down the progress of the illness.
make every effort
2) 他毫不费力地举起那块大石头。
He lifted the big stone _____________.
without effort
9. suffer vt.
遭受；蒙受
suffer from heart disease
患心脏病
suffering n.
suffer from
n. 痛苦, 苦恼；劳苦, 困难
受……折磨；患……病
10. survive
vt. 幸存；艰难度过 vi.生存；存活
survive sth 从……中幸存下来
The baby who survived the earthquake.
【拓展】
（1）survivor n. 幸存者；生还者
There was only one survivor of the accident.
（2）survival n. 存活；幸存
Life is a fight for survival.
生活就是一场求生的斗争。
11. Strike
vi. & vt. 侵袭；突击；击打 n. 罢工；罢课；袭击
某人突然想到
罢工
It strikes sb. that …
be on a strike
12. Deliver
vt.& vi.递送；传达 vt.发表
deliver a baby
接生
deliver a speech
发表演讲