第二篇阅读gao.ppt

Unit 1
Great scientists
Reading and Writing
Copernicus’ revolutionary theory
’s the center of the solar system?
The sun
discovered it?
Nicolaus Copernicus.
Pre-reading
Nicolaus Copernicus
born: in Poland in 1473
died : May 24, 1543
Reading &Answering
kind of conclusion did Nicolaus Copernicus draw ?
he tell anyone about his theory ? Why ?
did he publish his idea ?
He found that the sun was the center of the solar system instead of the earth.
1543
Although he had tried to ignore them,
all his mathematical calculations led to
the same conclusion: that the earth was
not the centre of the solar system.
虽然他曾经试着不去理睬那些数字,
然而他所有的数学计算都得出同样
一个结论: 地球不是太阳系的中心。
Language Points
lead to 造成; 导致
Your carelessness led to this traffic accident.
Too much work and too little rest often
lead to illness.
All roads lead to Rome.
条条大道通罗马。
lead to + n\ doing
2. Only if you put the sun there did the
movements of the other s in the
sky make sense.
只有你把太阳放在中心位置上, 天空中
其他行星的运动才能说得清楚。
“only + 副词/介词短语/状语从句”
位于句首, 句子要倒装。
=The movements of the other s in the
sky made sense only if you put the sun there.
Only if your identity has been checked,
_____.
A. you are allowed in
B. you will be allowed in
C. will you allow in
D. will you be allowed in
D
Only then did I realize the importance
of knowledge.
Only in this way can we work out the
maths problem.
make sense 有意义, 有道理, 说得通
1) What you say makes no sense.
2) It would make sense to leave early.
3) Can you make sense of this poem?
你说的话没有道理
还是早点走好。(明智的, 合理的)
你看得懂这首诗吗?(理解或弄懂)
小结:
ahead of time 提前
from time to time 有时,时常
all the time 始终,一直
in no time 立刻,马上
3. at times 有时,偶尔
I go to the beach at times.