人教新課標(biāo)必修5unit1課件

人教新課標(biāo)必修五Unit

1

Great

scientists1Let’s

have

acompetition!2Try this

quiz

and findoutwho

knows

the

most.1.Which

scientist

discovered

that

objects

inwater

are

lifted

up

by

a

force

that

helps

themfloat?A.

Charles

Darwin B.

ArchimedesC.

Thomas

Edison(287-212BC)an

ancient

Greek

mathematician &physicist32.

Who

wrote

a

book

explaining

how

animalsand

plants

developed

as

the

environmentchanged?A.

Marie

CurieB.

Gregor

Mendel C.

Charles

DarwinCharles

Darwin

(1808-1882)British author

of

The

Origin

of

Species43.Who

invent

the

first

steam

engine?A.

Thomas

NewcomenC.

Thomas

EdisonB.Archimedes(1663-1729)British,improved

the

first

steam

pump

and

turned

it

into

a

steamenginefor

taking

water

out

of

mines

in1712.54.Who

used

peas

to

show

how

physicalcharacteristics

（身體特征）are

passed

fromparents

to

their

children.A.

Thomas

EdisonC.ArchimedesB.

Gregor

MendelCzech

(1822-1884)65.

Who

discovered

radium?A.

Marie

CurieC.NewtonB.

Zhang

Heng(1867-1934)

(Polish

and

French,

won

two

Nobel

Prizes)76.Who

inventedthe

way

of

givingelectricity

toeverybody

in

large

cities?A.

Stephen

HawkingC.

Thomas

EdisonB.Archimedes(1847-1931)an

American

inventor87.Who

was

the

painter

that

studied

dead

bodies

toimprove

his

painting

of

people?A.

Gregor

MendelC.

Marie

CurieB.

Leonardo

da

Vinci(1452-1519) Italian

artist98.

Who

invented

a

lamp

to

keep

miners

safeunderground?A.

Sir

HumphryDavyC.

FaradayB.

Thomas

Newcomen(1778-1829)British109.

Who

invented

the

earliest

instrument

to

tell

peoplewhere

earthquakes

happened?A.

Charles

DarwinC.

WattB.

Zhang

Heng(78-139)

Chinese,

invented

seismograph1110.Who

put

forward

a

theory

about

black

holes?A.

Stephen

HawkingC.Copernicus12B.Archimedes(1942--) a

British

astronomerJohn

SnowBritish

(

1813~

1858)a

legendary(傳奇的)figure

in

the

history

ofpublic

health,epidemiology（流行病學(xué)）

andanesthesiology（麻醉學(xué)）13ReadingJohn Snow

Defeats“King

Cholera”1415What

do

you

know

aboutCholera?Cholera

is

the

illness

caused

by

abacterium

calledvibrio

cholera(霍亂弧菌).It

infects

people’s

intestines(腸),causing

diarrhea(腹瀉),vomiting(嘔吐的)and

legcramps(腿痛性痙攣).Find

out

themain

idea

ofeach

paragraph.1617para.1Deadly

disease:

cholera

outbreakinLondonTwo

possible

theoriesLook

forevidenceMark

informationon

a

map

to

findout

where

people

died

or

did

not

dieAnalyse

the

waterFind

other

supporting

evidencesThe

polluted

dirty

source

ofdrinking

waterwas

toblamepara.2para.3para.4para.5para.6para.7What’s

the

main

idea

of

the

passage?A.

John

Snow

was

a

well-known

doctor

inLondon.B.

The

cause

of

Cholera

waspollutedwater.C.

The

source

of

all

drinking

water

shouldbeexamined.D.

How

John

Snow

collected,

analyzeddata

and

found

the

cause

of

thediseaseand

solved

it

.18●Answer

the

followingquestions:Why

couldn’t

the

cholera

be

under

controlatfirst?Neither

its

cause,

nor

its

cure

was

understood.What

happened

in

1854?Another

cholera

outbreak

hit

London.How

many

people

died

in

10

days? More

than

500

people.

Why

is

there

no

deathat

No.

20

and

21BroadStreet

as

well

as

at

No.

8

and

9

CambridgeSTthreeeste?

families

had

not

drunk

the

waterfrom

the

Broad

Streetpump.195.

Which

theory

did

John

Snow

believe

in?People

absorbed

cholera

into

their

bodieswith

their

meals.6.

To

prevent

the

cholera

fromspreadingagain,

what

did

John

Snow

do?Suggested

that

the

source

of

all

watersupplies

be

examined.Suggested

that

new

methods

of

dealingwithpolluted

water

be

found.Instructed

the

water

companies

not

to

exposepeople

to

the

polluted

water

anymore.201.

Read the

passageand number

theseevents

in

theorderthat

they

happened.Comprehending21⒈

An

outbreak

of

cholera

hit

London

in

1854.⒉

John

Snow

began

to

test

two

theories.⒊

John

Snow

investigated

two

streets

wherethe

outbreak

was

very

severe.⒋

John

Snow

marked

the

deaths

on

a

map.⒌

He

found

that

most

of

the

deaths

werenear

a

water

pump.⒍

He

had

the

handle

removed

from

the

waterpump.⒎

He

announced

that

the

water

carried

thedisease.⒏

King

Cholera

was

defeated.22Retell

the

passage

according

to

below:John

Snow

was

a

well-known in

London

in

thecentury.

He

wanted

to

find

the

ofcholera

in

order

to it.

In

1854

when

acholera out,

he

began

to

gather

information.He on

a

map

where

all

the

dead

people

hadlived

and

he

found

that

many

people

who

had

drunkthe

dirty

water

from

the died.

So

hedecided

that

the

polluted

water

carried

cholera.He

suggested

thatthe of

all

water

supplybe and

new

methods

of

withpolluted

water

be

found.

Finally,

“King

Cholera”was

defeated.23John

Snow

was

a

well-known in

London

in

thedoctorpolluted

water

be

found.

Finally,

“King

Cholera”was

defe