高二英語Astronomy教案
explanation
t: turn to page 25. let’s look at the sentences:
1. it exploded loudly with fire and rock, which were in time to produce the water vapour.
which leads non-restrictive attributive clause.
in time: sooner or later; eventually
i’ll see him in time.
in time (for sth. /to do sth.): not late
she will be back in time to prepare dinner.
in / out of time: in/not in the correct time
the audience clapped in time to the music.
2. nobody knew that it was going to be different from other planets going around the sun.
be different from: not like someone or something else in one or more ways
note: we can use very, much, quite, entirely, totally to modify different
city life is quite different from country life.
going around the sun is-ing form that serves as attributive.
men breaking the law will be punished.
can you see the girl dancing with your boyfriend?
3. whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved.
to come: serves as attributive
she is the last person to do such a thing.
depend on: something might only happen or be true if the circumstances are right for it
our success depends on whether everyone works hard or not.
4. walking does need a bit of practice now that gravity has changed.
now that: because of the fact that
now that i’m free, i can enjoy music for a while.
now that you’ve grown up you can decide it yourself.
passage analyzing
chart of the text
how life began on the earth
text retelling
retell the text using about 100 words.
step ⅵ homework
retell the passage according to the form.
remember important language points.
the second period extensive reading
step 1
show some pictures of the astronauts in the space
step 2
read the passage and fill in the form
step 3 language points
1. last month i was lucky enough to have a chance to make a trip into space with my friend li yanping, an astronomer.
enough: pron adj adv
the boy is old enough to do to school.
he couldn’t run quickly enough to catch up with the cat.
2. then we were off.
be off = set off
i am off today.
we are off today.
3 get close to
靠近，接近，指動態變化
be close to
距......近，指狀態
the school is close to the post office
4. but when i tried to step forward i found i was carried twice as far as on the earth and fell over.