人教版（2019）必修一 Unit 4 Natural Disaster 知识点课件（共24张PPT）

Unit 4 Natural Disasters
知识点讲解
1．flood n．洪水；大量 vi.淹没；大量涌入
vt.使灌满水；淹没
(P48)Where are the floods?
【用法详解】
be filled with
[针对练习]
单句语法填空
(1)The river was ________ flood after the heavy rain.
(2)All the products in the supermarket are on sale so it ________(flood)with customers now.
(3)The boss receives ________ flood of applications every day.
in
is flooded
a
2. ruin　n．废墟；毁灭　vt．毁灭；使破产
(教材P50)In less than one minute, a large city lay in ruins．
be/lie in ruins 成为废墟；毁灭
fall into ruins 成为废墟；破败不堪
[针对练习]
单句语法填空
(1)Years of fighting has left the area in ________ (ruin)．
(2)A large number of churches fell ________ ruin after the big flood.
　into/to
ruins
3．shock n．震惊；令人震惊的事；休克 vt.(使)震惊
(P50)People were in shock—and then, later that afternoon, another big quake shook Tangshan again.
【用法详解】
in shock 震惊；吃惊
to one's shock 令某人震惊的是
shocked adj.震惊的
be shocked at/by...对……震惊
shocking adj.令人震惊的是
联想：amaze 用法？
[针对练习]
单句语法填空
(1)I was ________ (shock)to hear that he had resigned.
(2)________ his shock, his house was burned when he arrived home.
(3)I was shocked _______ this sudden change in their attitude.
(4)It is ________ (shock)that the accident caused four deaths and nine people injured.
shocked
To
at
shocking
4．bury vt.埋葬；安葬
(P50)Soon after the quakes, the army sent 150,000 soldiers to Tangshan to dig out those who were trapped and to bury the dead.
【用法详解】
bury vt.埋藏；安葬
bury one's face in one's hands 用手捂住脸
bury oneself in＝be buried in 专心致志于；埋头于
【特别提醒】
表示“专心于”的短语还有：
be devoted to＝devote oneself to；
be addicted to；
focus on；
concentrate on；
[针对练习]
单句语法填空
(1)She was sitting with her head ______ (bury)in a newspaper.
(2)He ________(bury)in his hometown after he died.
(3)________(bury)himself in his book, he
didn't know it was raining outside.
(4)________(bury) in his book, he didn't know it was raining outside.
buried
was buried
Burying
Buried
5．effort n．努力；艰难的尝试；尽力
(P50)With strong support from the government and the tireless efforts of the city's people, a new Tangshan was built upon the earthquake ruins.
effort n．努力；艰难的尝试；尽力
make efforts to do sth. 努力做某事
spare no effort to do sth.不遗余力地做某事
[针对练习]
单句语法填空
(1)We will make _______ (effort)to offer you the best service.
(2)People should spare no effort ________ (protect)our hometown.
efforts
to protect
6．(P50)It seemed as if the world were coming to an end!
仿佛世界末日即将来临！
as if 好像，似乎
＝as though
比较： even if/ even though 尽管
7.supply　n．供应(量)；补给；[pl．]补给品vt．供应；供给
(教材P52)The supplies which were provided to the disaster area were collected from around the country．
为某人提供某物
supply sth to sb
supply sb with sth
[针对练习]
单句语法填空
(1)People supplied food and clothes ______ the sufferers.
(2)That company was willing to supply us ________ what we needed.
(3)In Britain, milk ________(supply)to each house in bottles every day.
is supplied
to
with
stay/keep calm保持镇静
calm down　　平静下来
calm sb．down
使某人平静下来；使某人镇定下来
8.calm　 vt．& vi．(使)平静；(使)镇定
adj．平静的；镇静的；沉着的
9．strike vt.&vi.侵袭；突击；击打 n．罢工；罢课；袭击
(P54)The undersea quake struck around 7︰00 a．m., Sunday off the west coast of Indonesia's Sumatra Island.
strike　vi．& vt．(struck；struck/stricken)

某人突然想到
Sth. strikes/ struck sb
It strikes/ struck sb that
be on strike 罢工
[针对练习]
单句语法填空
(1)Miller ________ (strike) by a car and lost his right arm.
(2)________ struck me that playing against the other team was a great learning moment for all the girls on the team.
(3)The workers are ________ strike to ask for higher pay.
was struck
It
on
have an effect on/upon　对……产生影响
come into effect 生效
side effect 副作用
比较：affect v. 影响 ，(疾病)侵袭；深深打动
10. effect 　n．结果；效力
effective adj． 有效的；有影响的
[针对练习]
单句语法填空
(1)As far as I'm concerned, punishment had very little effect ________ him.
(2)We should take _______ (effect) measures to protect the environment.
on
effective