【课件】Unit+1+Reading+and+Thinking+课件人教版（2019）选择性必修第二册

Unit1John

Snow

Defeats

“King

Cholera”Reading

and

ThinkingLead-inCholeradiarrhoeaDehydrationDeathLead-inIfyouwereadoctor,whatwouldyoudotostopthespreadofcholera？Before-readingStages

of

scientific

research

ThinkofamethodCollectdataAskaquestionFindaproblemAnalysetheresultsFindsupportingevidenceDrawaconclusionFindaproblemAskaquestionThinkofamethodCollectdataAnalysetheresultsFindsupportingevidenceDrawaconclusionJohnSnowDefeats“KingCholera”Prediction

WhowasJohnSnow?Whatwas“KingCholera”?How

did

JohnSnow

fight

against

cholera

?Skim

to

check

your

prediction(3mins)JohnSnowCholeraWho?What?A

_______doctor

who

even

attend

___________when

she

gave

birth.

He

had

desire

to

______________once

and

for

all.Why

is

it

called

the

king

cholera?famousQueen

Victoriadestroy

choleraCholera

used

to

be

one

of

the

most

feared

disease

in

the

world.

In

the

early

19th

century,

when

an

outbreak

of

cholera

hit

Europe,

millions

of

people

died

from

the

disease.Para.1deadly

choleraCholera

was

caused

by

bad

air.Cholera

was

caused

by

an

infection

from

germs

in

food

or

water.Para.2Para.2

(two

contradictory

theories

about

how

cholera

spread)defeat

order

Stage

1

find

a

problem

2

ask

a

question

3

think

of

a

method

4

collect

data

5

analyse

the

results6

find

supporting

evidence

7Draw

a

conclusionHow

does

Snow’s

questioningmindwork

in

defeating

“King

Cholera”?

(Ex.3&4)It

was

believed

that

cholera

was

caused

by

bad

____

or

germs

in____________.ASnow

______________

the

places

where

the

people

who

_______

had

lived.

BMany

deaths

occurred

near

the

_________________in

Broad

Street.CSome

people

_______drunk

the

water

from

the

pump,

and

lived.A

woman

and

her

daughter

died

in

another

part

of

London

after_______.The

pump

water

carried

______________DThe

________

of

the

pump

was

removed.Etheoriesprocessevidenceconclusionsolutionairfood

or

waterdiedinvestigatedwater

pumphadn’tdrinking

the

pump

watercholera

germshandlePara.3What

helps

John

Snow

most

in

defeating

cholera?Detailed

reading

A.

His

experience

B.

His

map

How

does

it

work?epidemiologicaldotmap流行病学标点地图

beerItseemedthewaterwastoblame.Manydeathshappenednearthewaterpump.Thosewhohadn'tdrunkthewatersurvived.waterpumppubProbablyitwasthewaterthat

causedthedisease.Para3CollectresultsNote:——1deathPH:publichouse30,31,…:numbersofhousesWhat

link

did

John

Snow

find

between

the

deaths

and

drinking

water.Detailed

reading

of

para.

4The

water

from…had

been…The

polluted

water

from…The

people

who…The

water

infected

by

wasteThe

polluted

water

sold

to

or

drank

by

peopleThe

people

infected

by

choleraSnow

prove

on

of

the

two

contradictory

theories

by…

Detailed

readingmaking

an

immediate

___________(investigate)marking

on

an

______________(epidemiology)

mapanalysing

the

______

between

deaths

and

drinking

water.announcing

the

result

with

___________(fact)

evidence.investigationepidemiologicallinkfactualExercise

5Write

out

the

questions

according

to

the

answers.1

Q:______________________________________________________?

_____________________________________________________?

A:

Snow

thought

that

cholera

was

caused

by

germs

in

food

or

water.2

Q:______________________________________________________?

A:

Snow

had

the

handle

of

the

pump

removed

so

that

it

could

not

be

used.3

Q:______________________________________________________?

A:

The

cholera

threat

was

defeated

thanks

to

the

work

of

John

Snow.

Ask

questionsOne

way

to

approach

a

reading

passage

is

to

ask

questions

about

it.

Asking

questions

can

help

you

understand

the

content.

It

can

also

help

you

think

more

deeply

about

topic.What

theory

was

Snow

subscribe

toHow

did

Snow

think

cholera

was

causedWhy

did

Snow

have

the

handle

of

the

pump

removedHow

was

the

cholera

threat

defeatedDetailed

reading

of

para.5Para.5Contribution&achievement

of

John

SnowHow

has

John

Snow’s

work

affected

our

daily

life?

WhyisJohn

Snowconsideredthefatherofmodernepidemiology（传染病学）?Thanks

to

John

Snow’s

work,

we

know

how

to

prevent

cholera.

With

Snow’s

work,

the

world

saw

a

substantial

decrease

of

the

threat

of

cholera,

and

he

transformed

the

way

scientists

study

diseases.

WhatgoodqualitiesdoyouthinkJohnSnowhave?Whatotherqualitiesdoyouthinkscientistsneed?DiscussionbraveryqualitiesdevotionLogical

thinkingexpertcarefulnesspersistencecreationTo

raise

new

questions,

new

possibilities,

to

regard

old

problems

from

a