Unit 4 Natural Disasters 单元知识系统复习课件(共49张PPT) -人教版(2019)必修第一册

(共49张PPT)
必修一Unit 4
单元知识系统复习
1.flood n. & vi & vt. __________
2.disaster n. ____________
3.rescue n.& vt. ____________
4.destroy vt. ________________
一、重点单词检测
洪水；淹没；泛滥
灾难；灾害
营救；救援；营救
摧毁；毁灭
5.helicopter n. __________
6.death n. ____________
7.shelter n. & vt. & vi. __________
8. as if ________________
直升机
死亡
避难所；庇护；躲避
好像；似乎
9.damage vt.& n. _________
10.in ruins __________________
11.metal n. __________
12. trap vt. & n. _______________
13.in shock __________
损害；破坏
成为废墟；严重受损
金属
使陷于困境；陷阱
震惊；处于休克状态
14. revival n.____________
15.bury vt. ______________
16.affect vt. __________
17.suffer vt. & vi. _________________
18.crack n. & vi. & vt. ____________
复兴；复苏；苏醒
埋葬；掩埋
影响；感动
遭受；忍受；受苦
裂缝；开裂；使破裂
19.effort n. ______________
20.breathe vi.& vt. ___________
21.context n. ________
22.wisdom n. ____________
努力；艰难的尝试
呼吸
上下文；背景；语境
智慧；才智
23.supply n. & vt. __________
24.survive vi. vt. _______________
25.percent n. & adj.&adv _____________
26. aid n. & vi.& vt. ____________
供应；补给；供给
幸存；生还；比……活得长
百分比；百分的
援助；帮助；辅助
27.unify vi.& vt. ____________
28.strike n. &vi. ____________
29.whistle vi. & vt. & n. ___________
30. sweep away ______________
31.emergency n. _____________
统一；使成一体；
罢工；袭击；打击
吹口哨；汽笛声；口哨
卷走；冲走；清除
紧急情况
32.calm adj. & vt. _______________
33.on hand ________________
34. wave n. & vi.& vt ___________
35.crash vt.& vi.& n. ______________
36.sweep vt. & vi. ( swept, swept) __________
打扫；清扫
碰撞；撞击
海浪；挥手
现有
镇静的；使镇静
1．__________ shock震惊；吃惊
2．__________ if似乎；好像；仿佛
3．slide __________（使）滑入; 溜进
4. volcanic __________火山喷发
二、单元重点短语补全
in
as
into
eruption
5．sweep __________消灭；彻底消除
6．__________ ruins严重受损；破败不堪
7．rescue sb./ sth. __________
…从……中营救
8．dig __________ 挖出
away
in
from
out
9. cause damage __________ 对……引起损害
10. make __________ effort to 作出努力
11. suffer __________
因…而痛苦；患有（疾病等
to
an
from
12. hold one’s __________屏住呼吸
13. be __________ to do sth .
被期盼做某事
14 carry __________执行；履行
breath
expected
out
15. be __________ in…被困在……中
16. wake __________醒来
17. the __________ of ……的长度
18. according __________ 根据；按照
trapped
up
length
to
1.wise adj.明智的→__________ n．智慧；才智→unwise adj.不明智的
2． destroy t.摧毁；毁坏→过去式和过去分词__________
3．shock n．震惊；令人震惊的事；休克 vt.(使)震惊→__________ adj.令人震惊的→_________ adj.感到震惊的
三、单词词形归纳
wisdom
destroyed
shocking
shocked
4． origin n.起源 → __________ adj.最初的；原本的 → __________ adv
5．breathe vi.&vt.呼吸→__________ n．呼吸→breathless adj.气喘吁吁的
6． die v．死亡→__________ n．死；死亡→__________ adj.死的→deadly adj.致命的
7． electricity n．电；电能→__________ adj.电的；用电的→electronic adj.电子的
original
originally
breath
death
dead
electrical
8．emerge vi.浮现；出现
→__________ n．突发事件；紧急情况→emergent adj.紧急的
9．survive vi.生存；存活 vt.幸存；艰难度过→__________ n．幸存；生还→__________ n．幸存者；生还者
10． beg vt.恳求；祈求→过去式和过去分词 __________
11．deliver vt.&vi.递送；传达 vt.发表→__________ n．投递；送交
emergency
survival
survivor
begged
delivery
12． affect vt.影响；(疾病)侵袭；深深打动→__________ n．效果；影响
→__________ adj.有效的
→__________ n．喜欢；喜爱；感情
13. suffer vt.遭受；蒙受 vi.(因疾病、痛苦、悲伤等)受苦→__________ n．受难；苦楚
14. long adj. 长的→__________ n.长；长度→__________ vt.加长
effect
effective
affection
suffering
length
lengthen
1.Michael’s new house is like a huge palace,_____________ (compare) with his old one.
2.Dance expresses love and hate, joy and sorrow,life and ___________ ( dead)，and everything else in between.
四、单句语法填空
compared
death
3.She found out that the room is twice the____________(long) of the kitchen.
4. For thousands of years, people have told fables (寓言)to teach a lessonor to pass on ___________ ( wise).
length
wisdom
5. Although he has suffered ___________ a seriousdisease, he is positive.
6. He was too frightened to take some____________(effect) measures in face of emergency.
from
effective
7.She began chatting ___________(calm) with him, asking his name,his favorite books and his favorite characters.
8. As I expected, he was_______________ at the_____________news for I saw his ________________expression. ( shock)
calmly
shocked
shocking;
shocked
9．If he couldn't find his way out of the forest, there would be little chance of _____________(survive).
10.As long as we make every effort ________(solve) the problems, we will surely achieve our goal.
survival
to solve
11. If you exercise out of doors, you can learn to_________( breath) more deeply, which allows more oxygen to get to your brain.
12.Do you want to get this book_____________ (deliver) to your house or would you prefer to come tothe shop for it yourself
breathe
delivered
13.To avoid(避免) knee pain，you can run on soft surfaces，do exercise to_____________ (strength ) your leg muscles.
14. Newspapers are making every effort_____________(attract) readers in an age when most people get news online for free.
strengthen
to attract
15.We have reached the stage where we must start taking_____________( effect) measures to protect the environment so as to save ourselves.
16.The main purpose of the passage is to supply visitors __________hotel information.
17.The lifeboat was sent out to rescue the sailors ___________ the sinking ship.
effective
with
from
18.______________(bury) himself in reading novels, he didn't notice me enter the room.
19.___________strikes me that I ought to cut outsugary drinks.
20. Brave firefighters broke the window and rescuedthe boy_________the burning house.
21. With a history of more than 2,000 years, some sections of the Great Wall are now_________ruins or even have disappeared.
Buried
It
from
in
22. We all know that playing with the smartphone for a long time has a bad effect____________ our eyesight.
23.________________a lot from a big earthquake, he knows the value of life deeply. So he always donates food and clothes to those 24.__________
from various disasters, feeling great pit y for their__________________.(suffer)
on
Having suffered
suffering
suffering
25.The local community is making efforts___________( solve ) the parking problem with new technologies.
26. The areas_________(strike) by the typhoon took on a poor look.
to solve
struck
27.In my dream, my mother smiled, waving _________ me.
28.With the buildings___________(destroy), the man searched for his son desperately.
29.________ summary, my mom's simple act has a deep effect____________me.
30. My brother likes to jog________the open air so that hecan be close to nature.
to
destroyed
In
on
in
31. They got lost in the forest and couldn't find aplace to shelter themselves ___________wind and rain.
32. Within a few days she had become seriously ill, __________ (suffer) great pain and discomfort.
from
suffering
33. In the spare time, the young___________(deliver)man reads some collections of poems.
34. Damian McClellan is among the many Australians welcoming the ____________(revive) of the international tourism.
35.I was___________(shock) when I saw more than half of the corals(珊瑚)were fading under the water near the island in 2020.
delivery
revival
shocked
Strange things were happening in the countryside of northeastern Hebei. There was something wrong with wells. Animals behaved 21_______ (strange). At about 3:00 a.m., on 28 July 1976, bright lights 22 ______________ (appear) in the sky and loud noises were heard. However, people were asleep as usual.
五、短文填空
strangely
appeared
At 3:42 a.m., everything began to shake. It seemed as if the world were coming to an end. A 23__________ (frighten) earthquake had begun. In less than one minute, Tangshan lay
24 _______ ruins. Two thirds of the people 25___________ lived there were dead or injured.
frightening
in
who
Nearly everything in the city was destroyed, a large number of 26______________ (animal) were dead and people were in shock. Later that afternoon, another big quake shook Tangshan again. It was difficult for people 27_____________ (get) water, food and electricity.
animals
to get
But hope was not lost. Soon after the quakes, soldiers, doctors, nurses and workers 28_______________ (send) to Tangshan. Slowly, the city began to breathe again.
were sent
With strong support from the government and the efforts of the city’s people, the city began to revive 29________ (it) and get back up on its feet. Tangshan city has proved to the world that in times of disaster, people must unify and show the 30____________ (wise) to stay positive and rebuild for a brighter future.
itself
wisdom
1.It seemed as ifthe world were coming to an end .
要点：It seems as if ……似乎……；看起来好像……
仿写：三年前他好像是出国了。
______________________________________________
六、单元重点句型归纳
It seemed as if he had gone abroad three years ago.
2.Rats ran out of the fields looking for places to hide .
要点：looking for …… 在句中作状语
仿写：学生们站在校门外等待李教授的到来
The students stood outside the school gate, waiting for Professor Li’s arrival.
3.Two thirds of the people who lived here were died or injured .
要点：two thirds 是分数的表达，分子大于一，分母用复数。分数+名词作主语，谓语动词取决于名词。
仿写：五分之三的学生都喜欢流行音乐。
Three fifths of the students like pop music
4.The number of people who were killed or badly injured in the quake was more than 400000.
要点1：the number of 表示：……的数量，后接名词做主语，谓语动词用单数。
要点2：a number of … 表示：许多…… , 后接名词做主语，谓语动词用复数。
仿写：近年来俱乐部会员的数量逐渐增多了。
仿写:许多外国人都想来参观长城。
The number of club members has been increasing in recent years.
A number of foreign people want to visit the Great Wall .
5.Water ,food, and electricity were hared to get .
要点：此句为“主语+系动词+表语+头to do ”的特殊句式，是使用主动来表示被动，后面的动词不定式要用主动形式，与前面的主语构成动宾关系。
仿写：英语学起来很难，但是日语也不容易学。
仿写：生活中有些问题很难解释。
English is hard to learn, but Japanese is not easy to learn either.
Some problems in life are hard to explain.
6.Workers built shelters for survivors whose homes had been destroyed .
要点：whose引导的是定语从句，特点是whose作定语，后面要接名词。
仿写：你认识那个父亲在一所学校教学的男孩么？
Do you know the boy whose father teaches in a school
7.Tangshan city has proved to China and the rest of the world that in times of disaster, people must unify and show the wisdom to stay positive and rebuild for a bright future .
要点：1.prove 表示证明、证实，可以做系动词，后接形容词。
2.prove to ……表示：向……证明
3.in times of ……在……时期
4.wisdom 智慧，形容词为wise .
5.stay 表示保持，为系动词，后接形容词
仿写：他向我们证明中国人事坚强而勇敢的。
仿写：面临危险，人们更要保持镇静。
Faced with danger, people should stay calm.
He has proved to us that the Chinese are strong and brave.
8.Thousands of people are still missing ,and the number ofdeaths is expected to grow even higher ……
要点;missing 表示丢失的；不见的，为形容词。even修饰比较级，表示“很，非常”
仿写：不幸的是，他的自行车也不见了。他看起来更伤心了。
Unfortunately, his bike was missing and he looked even sadder
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