高中英语Unit4naturaldisastersSectionAListeningandSpeakingppt课件新人教版

UNIT

4NATURAL

DISASTERS1An

earthquake

is

a

terrible

experience!However,there

is

noadvancewarning

nor

is

there

a

particular

time

of

year,like

monsoons(季风),when

an

earthquake

always

occurs①.Unlike

a

tornado

orhurricane,there

areno

known

methods②

of

predicting③

an

earthquake.2Though

it

is

estimated④

that

about500,000earthquakes

occur

eachyear,only

100

of

them

cause

damage!However,an

earthquake

could

occur

any

time

of

the

day

or

night

so

it

pays

to

be

prepared

if

you

are

unfortunately

caught

in

the

middle

of

one.

If

you

are

indoors,stay

indoors

unless

you

are

in

the

ground

floorwhere

you

can

easily

run

outside.The

best

thing

to

do

if

you

areindoorsis

hideunderastrongpiece

of

furniture⑤

likea

bed

ordesk.Do

not

try

to

head

for

the

stairway

if

you

are

living

in

an

upperstorey,as

the

stairways

may

collapse⑥.3Though

it

is

estimated④

that

about500,000earthquakes

occur

eachyear,only

100

of

them

cause

damage!However,an

earthquake

could

occur

any

time

of

the

day

or

night

so

it

pays

to

be

prepared

if

you

are

unfortunately

caught

in

the

middle

of

one.

If

you

are

indoors,stay

indoors

unless

you

are

in

the

ground

floorwhere

you

can

easily

run

outside.The

best

thing

to

do

if

you

areindoorsis

hideunderastrongpiece

of

furniture⑤

likea

bed

ordesk.Do

not

try

to

head

for

the

stairway

if

you

are

living

in

an

upperstorey,as

the

stairways

may

collapse⑥.4词海拾贝①occur

vi.发生②method

n.

方法③predict

vt.预测④estimate

vt.估计⑤furniture

n.家具⑥collapse

vi.倒塌⑦emergency

n.紧急情况5典句欣赏However,an

earthquake

could

occur

any

time

of

the

day

or

night

soit

pays

to

be

prepared

if

you

are

unfortunately

caught

in

the

middle

ofone.译文:然而,地震可能在一天的任何时候发生,因此,如果你不幸遇到地震,那么做好准备是值得的。分析:本句总体上是一个由并列连词so连接的并列复合句。anearthquake

could

occur...是第一个分句,it

pays

to

beprepared...是第二个分句。在第二个分句中有一个if引导的条件状语从句。6理解诱思What

does

the

passage

mainly

deal

with?What

will

one

do

if

he

is

in

the

first

floor

of

the

building?答案:1.What

to

do

during

an

earthquake.2.Better

runoutside.7Section

A8Listening

and

SpeakingⅠⅡⅢⅠ.知识体系图解9ⅠⅡⅢdisasterslidetsunamifloodrescuedamagesurvivedestroyevacuateshelter10ⅠⅡⅢ超过;多于逃脱日日夜夜至少损害建议做某事给……提供建立;搭起11ⅠⅡⅢ12A.a

mass

of

rock

and

earth

moving

suddenly

andB.a

long

period

when

there

is

little

or

no

rainC.someone

who

continues

to

live

after

anaccidentD.a

place

to

live,considered

as

one

of

the

basic

needsⅡ.释义匹配

1.droughtquickly

down2.survivor3.evacuate4.landslideoflife5.sheltersafe

place答案:1.B

2.CE.to

send

people

away

from

a

dangerous

place

to

a3.E

4.A

5.DⅠⅡⅢⅢ.听说导学听教材P48的News

report

1,

答第1小题。1.How

many

people

were

killed

in

the

Ecuador

earthquake?A.230.

B.1,500.

C.1,730.答案:A听教材P48的News

report

2,

答第2小题。What

is

the

government

helping

the

people

in

Hunan

and

Jiangxi

todo?Rebuild

their

homes.Get

away

from

theflood.Leave

the

dangerousbuildings.答案:B13ⅠⅡⅢ听教材P48的News

report

3,答第3小题。3.What

happened

in

southern

Memphis,theUSA?B.A

landslide. C.A

tornado.A.An

earthquake.答案:C14听教材P48的News

report

4,

答第4小题。4.What

was

the

result

of

the

disaster

inSeoul?A

library

and

a

supermarket

were

damaged.Many

buildings

weredestroyed.One

persondied.答案:A重点词汇重点句式随堂练习1.damage

vt.损害;破坏

n.损害;损失【课文原句】The

7.8-magnitude

earthquakedamaged

manybuildings,and

early

reports

said

that

about

230

people

were

killed

andmore

than

1,500

wereinjured.这场7.8级的地震破坏了许多建筑,

期报道称大约230人死亡,1500多人受伤。【词汇精讲】句中的damage意为“损坏”,是及物动词。Their

houses

weredamaged

by

the

fire.他们的房子在大火中受损。If

we

have

advance

warning,we’ll

be

able

to

reduce

the

damage.如果我们预先得到警告的话我们就可以减少损害。There

is

no

denying

that

our

earth

is

suffering

severe

damage.不可否认,我们的地球正遭受着严重的破坏。15重点词汇重点句式随堂练习【词汇拓展】16重点词汇重点句式随堂练习17重点词汇重点句式随堂练习182.survivor

n.幸存者;生还者【课文原句】Volunteers

and

rescue

workers

are

helping

thesurvivors.志愿者和救援人员在帮助幸存者。【词汇精讲】句中的survivor意为“幸存者”,是可数名词。Officials

said

there

were

no

survivors

of

the

plane

crash.官方说这次飞机失事无一人生还。He

was

the

only

survivor

of

theaccident.他是这次事故的唯一幸存者。重点词汇重点句式随堂练习【词汇拓展】19重点词汇重点句式随堂练习20After

we

had

survived

the

earthquake,we

were

confident

thateverything

else

would

be

all

right.我们在那次地震中幸存下来后,相信其他一切都会好起来的。It

is

hard

to

imagine

how

he

survived

thatwinter.很难想象他是如何熬过那个冬天的。

How

did

the

man

survive

on

such

little

food?靠这么少的食物那个人是怎么活下来的?重点词汇重点句式随堂练习21重点词汇重点句式随堂练习223.flood

n.洪水;大量【课文原句】More

news

about

the

floods

in

central

China.更多关于中国中部地区洪水的消息。【词汇精讲】句中的flood意为“洪水”,若指“一次洪水”是可数名词,表示泛指意义的“洪水”是不可数名词。After

the

heavy

rain

there

was

a

big

flood

and

water

came

into

ourhouse.那场大雨后闹了大洪水,我们的家都被淹了。Tornadoes,earthquakes,and

floods

are

natural

disasters.龙卷风、地震和洪水都是自然灾害。重点词汇重点句式随堂练习【词汇拓展】flood

vi.淹没;大量涌入vt.使灌满水;淹没There

are

now

fears

that

the

river

could

flood.他们现在害怕河水会泛滥。Our

washing

machine

broke

down

yesterday

and

flooded

thekitchen.昨天洗衣机坏了,把厨房给淹了。23重点词汇重点句式随堂练习24重点词汇重点句式随堂练习25重点词汇重点句式随堂练习264.affect

vt.影响;(疾病)侵袭;深深打动【课文原句】82

killed,500,000

affected

82人丧生,50万人受到影响【词汇精讲】句中的affect意为“影响”,是及物动词。It

was

just

her

childhood

experiences

that

affected

her

character

andlater

life.正是她童年的经历深深地影响了她的性格和后来的生活。重点词汇重点句式随堂练习【词汇拓展】The

places

where

we

live

can

affect

our

thoughts

and

behaviour.我们住的地方可以影响我们的思想和行为。Deeply

affected

by

the

film,the

audience

couldn’t

hold

back

tears.深受电影影响,观众泪流满面。A

lack

of

exercise

leaves

your

body

weak

and

easily

affected

bydisease.缺乏锻炼会让你的身体非常虚弱并且很容易被疾病侵袭。27重点词汇重点句式随堂练习28重点词汇重点句式随堂练习29Rescue

workers

and

soldiers

are

working

day

and

night

tomake

sure

that

people

are

safe.救援人员和战士日日夜夜努力工作确保人们的安全。【句式剖析】本句总体上是一个复合句。Rescue

workers

andsoldiers是句子的主语,are

working

day

and

night是谓语和状语,tomake

sure...是动词不定式短语做目的状语,在状语中有一个that引导的宾语从句。重点词汇重点句式随堂练习【句式拓展】(1)不定式和不定式短语做目的状语,主要用来修饰动词,表示某一动作或状态的目的。为了使目的意义更加清楚或表示强调意义时,还可以在前面加in

orderto或so

as

to。My

brother

went

to

the

shop

to

buy

some

fruit.我哥哥到商店去买些水果。I’ve

written

it

downin

order

not

to

forget.我记了下来,以免忘了。He

shouted

and

wavedso

as

to

be

noticed.他大声呼喊,挥手以便被注意到。(2)当不定式或不定式短语有自己的执行者时,要用不定式的复合结构“for

sbto

do

sth”。He

opened

the

door

for

the

children

to

come

in.他打开门让孩子们进来。30重点词汇重点句式随堂练习31重点词汇重点句式随堂练习32重点词汇重点句式随堂练习33Ⅰ.单词拼写Millions

of

people

are

suffering

from

starvation

as

a

result

of

d

and

poorharvests.答案:droughtIt

is

said

that

the

San

Francisco

earthquake