高二英语必修5Unit1 Great Scientists-Warming up & Reading 课件- (共32张PPT)

(共32张PPT)
Unit
1
Great
scientists
What
do
you
know
about
great
scientists?
Try
this
quiz
and
find
out
who
knows
the
most?
Warming
up
1.
Which
scientist
discovered
that
objects
in
water
are
lifted
up
by
a
force
that
helps
them
float?
Archimedes
It’s…
Give
me
a
place
to
stand
and
I
will
move
the
world
!
2.
Who
wrote
a
book
explaining
how
animals
and
plants
developed
as
the
environment
changed?
Charles
Darwin
3.
Who
invented
the
first
steam
engine?
James
Watt
4.
Who
used
peas
to
show
how
physical
characteristics
are
passed
from
parents
to
their
children?
Gregor
Mendel
radium
5.
Who
discovered
radium?
Marie
Curie
Thomas
Edison
6.
He
invented
the
way
of
giving
electricity
to
everybody
in
large
cities.
Genius
is
one
percent
inspiration
and
ninety-nine
percent
perspiration.
天才就是百分之九十九的汗水加上百分之一的灵感.
7.
Who
was
the
painter
that
studied
dead
bodies
to
improve
his
painting
of
people?
Leonardo
da
vinci
8.
Who
invented
a
lamp
to
keep
miners
safe
underground?
Sir
Humphry
Davy
9.
He
invented
the
earliest
instrument
to
tell
people
where
earthquakes
happened.
Zhang
Heng
10.
Who
put
forward
a
theory
about
black
holes?
Stephen
Hawking
Do
you
konw
who
is
John
Snow?
John
Snow
is
a
well-known
doctor
in
the
19th
century
in
London
and
deafeated
King
Cholera.
relationship
attended
her
as
her
personal
physician
A
brief
introduction
of
cholera
Broad
Street
It
begins
in
the
stomach,
causing
diarrhea(腹泻),
vomiting(呕吐)
and
leg
cramps
(小腿抽筋).
A
severe
case
can
lead
to
death
without
immediate
treatment.
500
deaths
in
10
days
in
1854
in
London.
Spread
from
one
person
to
another.
So
it
is
an
infectious
Disease.
John
Snow
defeats
“king
cholera”
Character
event
Reading
Skim
the
text
and
find
the
main
idea
of
the
text
and
each
paragraph.
1.The
passage
is
mainly
about:
__________________________________________________________________
2.Find
out
the
main
idea
of
each
paragraph.
Fast
reading:
How
John
Snow
found
the
cause
of
the
cholera
and
defeated
it.
para.1
A.
Cholera
was
finally
defeated.
para.2
B.
Look
for
evidence
para.3
C.
Analyse
the
water
para.4
D.
Two
possible
theories
para.5
E.
Find
other
supporting
evidences
para.6
para.7
G.
Deadly
disease:
cholera
outbreak
in
London
F.
Mark
information
on
a
map
to
find
out
where
people
died
or
did
not
die
Draw
a
conclusion
Think
of
a
method
Collect
results
Make
a
question
Find
a
problem
Analyse
results
Find
supporting
evidence
3.Translate
the
following
phrases
and
try
to
match
these
pharases
with
each
paragragh
得出结论
找出研究方法
收集材料
形成研究主题
发现问题
分析材料
找到能确证的证据
draw
a
conclusion
find
a
problem
make
a
question
think
of
a
method
collect
results
analyse
the
results
find
supporting
evidence
Para
1
Para
2
Para
3
Para
4
Para
5
Para
6
Para
7
7
Stages
in
examining
a
new
scientific
idea:
To
prove
a
new
scientific
idea,
seven
stages
are
needed.
Read
the
text
carefully
and
fill
in
the
blanks.
Careful
reading:
Stage
1
Find
a
problem
A
large
number
of
people
died
of
cholera,
but
neither
its
1.
_______
nor
its
2.
_____
was
understood.
Stage
2
Make
a
question
◆
Theory
one:
Cholera
3.
___________
in
the
air
and
floated
around
until
it
found
its
victims.
◆
Theory
two:
When
people
4.
___________
cholera
into
their
bodies
with
meals,
their
bodies
were
attacked.
cause
absorbed
multiplied
cure
Stage
3
Think
of
a
method
Began
to
gather
information
to
5.
_______
that
the
second
theory
was
correct.
Stage
4
Collect
results
Marked
where
the
dead
people
had
lived
on
a(n)
6.
______.
Stage
5
Analyse
the
results
Looked
into
the
7.
________
of
the
water
to
see
if
the
problem
was
the
water.
map
prove
source
Broad
Street
Many
deaths
happened
here.
No
death
happened
here.
The
water
from
the
pump
was
to
blame.
Public
house
Stage
6
Find
supporting
evidence
Found
supporting
evidence
from
two
other
deaths:
Both
of
them
died
of
cholera
after
8.
_____________________.
Stage
7
Draw
a
conclusion
◆
9.
_______________
carried
the
virus.
◆
All
the
water
supplies
should
be
10.
_________.
drinking
the
water
Polluted
water
examined
extra
evidence:
A
woman
and
her
daughter
who
lived
far
away
but
drank
the
water
also
died.
___
John
Snow
began
to
test
two
theories.
___
An
outbreak
of
cholera
hit
London
in
1854.
___
John
Snow
marked
the
deaths
on
a
map.
1
2
4
Post
reading:
1.Read
the
passage
and
number
these
events
in
the
order
that
they
happened.
___
He
announced
that
the
water
carried
the
disease.
___
John
Snow
investigated
two
streets
where
the
outbreak
was
very
severe.
___
King
Cholera
was
defeated.
___
He
found
that
most
of
the
deaths
were
near
a
water
pump.
___
He
had
the
handle
removed
from
the
water
pump.
3
5
6
7
8
2.Summary
John
Snow
was
a
famous
doctor
in
London,
who
was
so
expert
____he
attended
Queen
Victoria
as
her
personal
physician.
But
he
was
famous
for
________
(defeat)
“King
Cholera”.
Cholera
was
a
_____
(dead)
disease
and
neither
its
cause
____its
cure
was
understood.
John
Snow
wanted
to
face
the
challenge
and
solve
the
problem.
He
suspected
that
people
_______
(absorb)
this
disease
into
their
bodies
with
their
meals.
So
when
another
severe
outbreak
hit
London
,
he
began
his
enquiry.
that
defeating
deadly
nor
absorbed
He
found
that
many
victims
_____(link)
to
the
outbreak
were
near
the
water
pump,
so
he
had
the
handle
_______
(remove).
Soon
afterwards
the
disease
slowed
down.
He
drew
the
_________(conclude)
that
the
polluted
water
was
_______
(blame).
The
water
companies
were
instructed
not
to
expose
people
___
polluted
water
any
more.
Finally,
"King
Cholera"
was
defeated.
conclusion
to
blame
to
linked
removed
What
should
we
pay
attention
to
in
our
daily
life
in
order
not
to
get
infected
with
all
these
infectious
diseases?
Heal
the
food
left
overnight
Cook
raw
food
thoroughly
Wash
hands
often
Keep
away
from
flies
choose
fresh
sea
food
Keep
the
kitchen
clean
Dispose
rubbish
properly.
Drink
boiled
water
Discussion
Thanks
for
listening!
Were
it
not
for
others’
devotion,
we
could
never
enjoy
the
peaceful
life.
岁月静好，是因为有人替你负重前行。