人教版（新课标）高中英语必修五-Unit 1 Great scientists- reading 课件（32张ppt）

(共32张PPT)
What
do
you
know
about
great
scientists?
Try
this
quiz
and
find
out
who
knows
the
most.
(Finish
the
Quiz
Questions
on
P1.)
Warming
up
1.Which
scientist
discovered
that
objects
in
water
are
lifted
up
by
a
force
that
helps
them
float?
Archimedes
(287-212
BC)
an
ancient
Greek
mathematician
2.Who
wrote
a
book
explaining
how
animals
and
plants
developed
as
the
environment
changed?
Charles
Darwin
(1808-1882)
British
author
of
The
Origin
of
Species
3.Who
invented
the
first
steam
engine?
Thomas
Newcomen
(1663-1729)
British,
improved
the
first
steam
pump
and
turned
it
into
a
steam
engine
for
taking
water
out
of
mines
in
1712.
James
Watt
improved
it
and
turned
it
into
the
first
modern
steam
engine
used
on
the
railways.
发明蒸汽机的并不是瓦特，他是改进纽可门的蒸气机，并发明出双动式，使世界进入了“蒸气时代”。这使他成为第一次工业革命中的名气最大的发明家。
James
Watt
(瓦特)
4.Who
used
peas
to
show
how
physical
characteristics
are
passed
from
parents
to
their
children?
Gregor
Mendel
(1822-1884)
Czech
(捷克人)
5.Who
discovered
radium?
Marie
Curie
(1867-1934)
(Polish
and
French,
won
two
Nobel
Prizes)
6.Who
invented
the
way
of
giving
electricity
to
everybody
in
large
cities?
Thomas
Edison
(1847-1931)
an
American
inventor
7.Who
was
the
painter
that
studied
dead
bodies
to
improve
his
painting
of
people?
Last
Supper
Mona
Lisa
Leonardo
da
Vinci
(1452-1519)
Italian
artist
8.Who
invented
a
lamp
to
keep
miners
safe
underground?
Sir
Humphry
Davy
(1778-1829)British
Miniature
Miner's
Safety
Lamp
9.Who
invented
the
earliest
instrument
to
tell
people
where
earthquakes
happened?
Zhang
Heng
(78-139)
Chinese,
invented
seismograph
10.Who
put
forward
a
theory
about
black
holes?
Stephen
Hawking
(1942--)
a
British
astronomer
Q
Answer
1.
Archimedes
(an
ancient
Greek
mathematician)
2.
Charles
Darwin
(author
of
The
Origin
of
Species
)
3.
Thomas
Newcomen
(British,
improved
the
first
steam
pump
and
turned
it
into
a
steam
engine
for
taking
water
out
of
mines
in
1712)
4.
Gregor
Mendel
(Czech)
5.
Marie
Curie
(Polish
and
French,
won
two
Nobel
Prizes)
6.
Thomas
Edison
(an
American
inventor)
7.
Leonardo
da
Vinci
(a
famous
Italian
artist)
8.
Sir
Humphry
Davy
(British)
9.
Zhang
Heng
(Chinese,
invented
seismograph)
10.
Stephen
Hawking
(a
British
astronomer)
Infectious
diseases
can
be
spread
easily.
They
have
an
unknown
cause
and
may
do
great
harm
to
people.
People
could
be
exposed
to
infectious
diseases,
so
may
animals,
such
as
bird
flu.
What
do
you
know
about
infectious
diseases?
Pre－reading
Blood
血液
Airborne
空气
Droplet
飞沫
Fecal-oral
排泄物
Contact
接触
Vector
媒介
animals,
insects
Modes
of
Transmission
传染途径
Do
you
know
what
kind
of
disease
is
cholera?
It
is
a
kind
of
terrible
disease
caused
by
drinking
dirty
water
and
it
caused
a
lot
of
deaths
in
the
old
times
and
it
was
very
difficult
to
defeat.
Find
a
problem
Make
a
question
Think
of
a
method
Collect
results
Analyse
the
results
Find
supporting
evidence
Draw
a
conclusion
Review
the
stages
on
page
1
about
research
into
a
disease.
1.
2.
3.
4.
5.
6.
7
Review
the
stages
on
page
1
about
research
into
a
disease.
1
2
3
4
5
6
7
Find
a
problem
Make
up
a
question
Think
of
a
method
Collect
results
Analyse
the
results
Find
supporting
evidence
Draw
a
conclusion
Reading
John
Snow
defeats
“King
Cholera”
1.
What
happened
in
1854?
2.
How
many
people
died
in
10
days?
3.
Why
is
there
no
death
at
No.
20
and
21
Broad
Street
as
well
as
at
No.
8
and
9
Cambridge
Street?
Cholera
outbreak
hit
London.
500
These
families
had
not
drunk
the
water
from
the
Broad
Street
pump.
Task
1:Skim
and
Scan
2).
Use
the
seven
stages
in
examining
a
new
scientific
idea
to
describe
each
paragraph.
Stage1
Find
a
problem
Many
people
died
of
cholera,
but
neither
its
______
nor
its
______
was
understood.
stage2
Make
up
a
question
Theory
one:
Cholera
________
in
the
air
and
dangerous
gas
floated
around
until
it
found
its
victims.
Theory
two:
When
people
________
cholera
into
their
bodies
with
meals,
their
bodies
were
attacked
and
soon
they
died.
stage3
Think
of
a
method
To
_____
the
second
theory
was
correct.
stage4
Collect
results
Some
___________
was
gathered
on
how
many
people
died
and
where
they
got
water.
Para1
cause
cure
multiplied
absorbed
prove
information
Para2
Para3
Para4
stage5
Analyse
the
results
Analyse
the
______
of
water
to
see
if
it
was
to
blame.
stage6
Find
supporting
evidence
With
extra
_______,
John
Snow
was
able
to
announce
with
certainty
that
______
water
carried
the
disease.
stage7
Draw
a
conclusion
Polluted
water
spread
cholera.
“King
Cholera”
was
______.
Para5
source
evidence
Para6
polluted
Para7
defeated
3.Careful
reading
Read
the
first
paragraph
carefully,then
answer
these
questions
1.Why
was
the
most
deadly
disease
in
19th
century?
2.When
could
the
cholera
be
controlled?
The
cholera,because
neither
its
cause,nor
its
cure
was
understood.
John
Snow
knew
it
would
never
be
controlled
until
its
cause
was
found.
3.
What
were
the
two
theories
explaining
how
cholera
killed
people?
in
Para
2
Read
the
third
paragraph
and
then
tell
these
sentences
are
true
or
false
4.When
another
outbreak
hit
London
in
1854,John
snow
was
ready
to
test
these
two
theories.
5.He
found
that
in
two
tall
buildings
the
cholera
outbreak
was
so
severe.
True
or
false:
tall
buildings
6.
What
helped
John
Snow
find
the
clue
about
the
cause
of
the
disease?
(
Para
6)
7.
When
was
John
Snow
able
to
announce
with
certainty
that
polluted
water
carried
disease?
A
map
of
London
After
he
found
two
deaths
in
another
part
of
London
that
were
linked
to
the
Broad
Street
outbreak.
(Para
7)
8.What
was
his
suggestion
to
defeat
cholera?
He
suggested
that
the
source
of
all
water
supplies
be
examined
and
new
methods
of
dealing
with
polluted
water
be
found.
As
the
disease
spread
quickly,
______
_______________________He
marked
on
a
map
where
all
the
dead
people
had
lived,
___________________and
found
out
_________________
was
the
cause.
Then
he
suggested
that
the
source
of
all
drinking
water______________
John
began
to
gather
information:
9.
How
did
John
Snow
finally
defeat
Cholera?
analyzed
all
evidences
the
polluted
water
be
examined.