教版九年级英语上册第五单元lesson 28课件

Unit

5Look

into

ScienceLesson

28The

Study

of

Living

ThingsWould

you

like

to

be

a

biologist

whenyou

grow

up?

Why

or

why

not?What

mysteriesof

nature

doyouknowabout?Think

about

itNew

words:生物

蝴蝶

迁徙的奇异的完全地外孙（女）雌性马利筋（一种植物）化学物质令人费解的biologybutterflymigratingfantasticcompletelyn.n.adj.adj.adv.grandchildren

n.female

n.milkweed

n.chemical

n.puzzling

adj.引起某人的注意回到、返回多达下蛋在大学里小片的森林动身去某地探究课文找短语draw

one’s

attentionreturn

to…as

many

aslay

eggsat

a

universitysmall

piece

of

forestleave

for.中考题型课堂练In

the

United

States

and

Mexico,

farmers

usechemcals

that

kill

milkweed.

(

F

)Do

the

females

lay

eggs

on

only

one

plant?Yes,

theydoWhat

does

Dr.

Chip

Taylor

study?He

studies

one

kind

of

North

American

butterfly

.Here,

as

many

as

230

million

butterflies

spend

thewinter.In

Mexico,

the

butterflies

always

return

to

the

samesmall

piece

of

forest,which

is

only

20

kilometers

wide

.在墨西哥，这种蝴蝶总是回到仅有20千米宽的同一小片森林。Language

Points:有关attention的短语as…as

的用法lie

与lay的用法attentiondraw

one’s

attention

to

sth.(使某人注意某事).catch

one’s

attention(引起某人注意)pay

attention

to

sth.(注意、留心)give

one’s

attention

to

sth.(关心)as…as…1.Heis as

tall

as

hisfather.(像……一样高)2.Ido

myhomework

as

carefully

as

mysister

does.(像……一样认真)3.Theysee as

many

as

onehundredstudents

in

front

of

the

library.(像……一样多)lie

与laylay(下蛋)---laid---laid---layinglie(说谎)---lied---lied---lyinglie(平躺)---lay---lain---lyingThe

hens (lay)

eggs

every

day.layHaveyouever

lied

(lie)toyourparents?Fill

in

each

blank

with

the

proper

word

from

the

brackets:1.

This

is

the (identify)

hotel

that

we

stayed

inlast

year.identicalYourbrothersarepeople

related

(relate)

to

you.Doyouknowwhoisthe

owner

(own)

of

the

house?Yourbody

uses

this

pattern

to

build

(build)itself.You

have

your

own

DNA,

but

it

repeats

the

patterns from

your

parents’

(parent)

DNA.Some

health

problems

come

from

your

family’s

DNA.Scientists

(science)

can

look

for

the