高二英語Astronomy教案
1). “a + be + 倍數 + as +形容詞原級 + as +
b”.
this tree is three times as tall as that one.
his father is twice as old as he.
2). “a + be + 倍數 +形容詞比較級 + than +
b ”
the yangtze river is almost twice longer than the pearl river.
the number of students in our school is three times larger than that in theirs.
3). “a + be + 倍數 + the +名詞 (size, length, amount) + of + b”
the newly broadened square is four times the size of the previous one.
6. we watched, amazed as fire broke out on the outside of the spaceship as the earth’s gravity increased.
break out
1) 戰爭爆發
2) 發生爭吵
3) (火災)發生
7. cheer up; cheer sb. up
感到高興振奮
8. masses of 許多，大量
9. get the hang of 熟悉,掌握,理解
10. exhausting (sth); exhausted (sb)
step 4 homework
collect passages about gravity.
prepare for speaking.
the third period language study
step 1 revision
translate the following sentences
1. 你遲早會成功的。
you’ll succeed in time.
2. 我的車與你的不一樣。
my car is different from yours.
3. 站在門旁邊的那個人是誰？
who is the person standing by the door?
4. 他總是第一個來，最后一個離開。
he’s always the first to come and the last to leave.
5. 既然你已經長大了，你自己決定吧。
now that you have grown up you can decide it yourself.
step 2
check the exercises in this part .
step 3 grammar
what part does the underlined part serve as in each sentence?
a tree has fallen across the road.
you are a student.
to find your way can be a problem.
smoking is bad for you.
“how do you do?” is a greeting.
what she said is not yet known.
that we shall be late is certain.
it is certain that we shall be late.
we can see from these sentences that a sentence serves as subject, so we call it subject clause
1. noun clauses as the subject
to tell what it is and the importance with some examples