上海版牛津英语8B-Unit1-Unit3-教学重点

Unit 1 Trees
chemical communicate hardly (any) natural run suppose
pollute v. pollution n。

science n. scientist n。

interest n。

interested adj. interesting adj.
noise n. noisy adj.
wood n。

wooden adj.
live v. living adj。

alive adj. life n。

health n。

healthy adj。

unhealthy adj。

nature n. natural adj.
danger n。

dangerous adj。

be interested in
living things
make streets more beautiful and less noisy
keep your whole class alive and healthy
come from
enjoy doing sth.
of course = certainly
one and a half hectares
know a lot about
communicate with
in danger / safety
cut down
warn sb。

（not) to do sth。

They are the biggest and oldest living things on the Earth.
The trees can then protect themselves by producing a chemical that makes their leaves taste nasty.
How many people are there in your class? cf。

How much…？
cf. almost, hardly
another, （the) other（s）
five million，millions of
enough oxygen，fast enough
as well，as well as
for example, such as
join, take part in
Grammar：the present continuous tense
cf. the present simple tense
Speak up: ways to fight pollution
Writing：A newspaper article on…
Unit 2 Water
freeze pump relax until view
loud adj. loudly adv.
comfortable adj. comfortably adv.
cloud n。

cloudy adj。

turn off / on
sound impatient / puzzled
the Yangtze River / Huangpu River
add…to…
remember （not）to do sth。

the journey of…
It’s not easy for me to get here.
Do you know where I am from?
It was time to get cleaned up.
I waited there until you called me。

What do you mean by liquid gold？
Why did Daisy look around？Because she heard a voice。

cf。

voice，sound
carry, take，bring
like，as
talk，speak, tell, say
Grammar: talking about amounts
a lot of / a little / not much / no + u.n.
a lot of / many / a few / not many / no + pl。

n。

the right amount：enough + n.
more than the right amount: too many / too much
less than the right amount：too few / too little / not enough Speak up: the use of water
Writing: Making / Writing about flow charts
Unit 3 Electricity
at last connect electricity energy form monthly trick fool v。

& n。

foolish adj。

change v。

＆n。

changeable adj.
careful adj。

carefully adv.
polite adj。

politely adv。

month n. monthly adj。

＆adv.
safety n。

safe adj。

one evening
a packet of sweets / electricity
laugh at
play a trick on sb.
at last = in the end = finally
look foolish
look like
different forms of energy
flow through a wire / come into one’s flat through thin wires …although electricity is much more dangerous than water。

Electricity is a good servant，but a dangerous one.
Nobody’s ever seen electricity.
It’s invisible。

We call the thick wires cables.
May I have my packet of electricity, please? Yes, you may.
cf。

think of, think about, think over
That's right。

That's all right.
Grammar:
1.Modal verbs：can, must, may
2.Object clauses
Speak up: Safety at home
Writing: Making rules。