(共18张PPT)
Unit 1 Wise men in history
Reading 2
In ancient Greece, a crown maker made a golden crown for King Hiero. The king was satisfied (1) ___________his new golden crown at first. But soon he wondered (2) ___________it was made of real gold. So Archimedes (3) ___________(ask) to find out the truth.
At first, Archimedes thought it was (4) ___________(difficulty) to solve the problem. Archimedes went on (5) ___________(think) it when he filled his bath with water. (6) ___________ he got into the bath, some water ran over and he got an idea.
He used the crown, some gold, two big bowls, two pots and some water to do (7) ______ experiment. Then he found that compared with a crown (8) ___________ (make) of gold and another mental, a crown made completely of gold displaced (9) _________ (little) water.
He was sure that the crown was not completely made of gold. King Hiero was angry. The crown maker (10) ___________ (send) to prison.
with
if/whether
was asked
difficult
thinking
After/When
an
made
less
was sent
Review
C1 Circle the correct answers.
C1 Circle the correct answers.
Later, however, he began to doubt that...
a. feel sure b. not feel sure
2. This problem seems difficult to solve.
a. write down
b. find the correct answer
3. …as he filled his bath with water.
a. made…full b. emptied
4. next, he put two pots into two big bowls…
a. deep round dishes b. flat dishes
5. A crown made completely of gold displaces
less water.
a. a little b. a smaller amount of
truth
seems
filled
certain
real
solved
C2 Complete the story below with the words from the box. Change their forms if necessary.
order sb. to do sth.
cut...in half
divide...between...
go ahead
be filled with fear
be amazed at...
solve this problem
Phrases in C2.
命令某人做某事
把...切成两半
在...之间分配...
开始干,着手做
充满了恐惧
对...感到惊奇
解决这个问题
1. ...King Hiero asked a crown maker to make him a golden crown.国王要工匠给他造一个黄金皇冠。
_________________ 叫某人做某事
_________________ 叫某人不要做某事
老师叫我们按时完成作业。
_____________________________________________________________________
他让我不要在街上踢球。
_____________________________________________________________________
Language points
ask sb. to do sth.
ask sb. not to do sth.
The teacher asked us to finish the homework on time.
He asked me not to play football on the street .
补充:ask sb. for sth.问某人(索)要某物
ask for 请求;要求
2. King Hiero asked a crown maker to make him a golden crown.
make sb sth.=make sth for sb 给某人制作某物
He always makes me happy.
He always makes me laugh.
make sb+adj.
make sb+v.
3. He began to doubt that it was a real golden crown.
(1)毫无疑问,他在说谎。
____________________________________________
(2)毫无疑问,我们必须采取措施保护环境。
______________________________________________________________________
doubt v./n. 怀疑 doubt引导宾语从句
doubtful adj 质疑的,不确定的
There is no doubt that+从句 毫无疑问…
There is no doubt that he is lying.
There is no doubt that we should take actions\ make measures to protect the environment.
(3 )The news that he won the first prize is __________
doubtful
4. “Is it made completely of gold ” he wondered.
他想知道这个皇冠是不是完全由黄金制成的。
_________________ 意为“由……做成(看得出原材料)”,
同义短语是________________(看不出原材料),注意两者的区别。试比较:
这张桌子是由木头做成的。(看得出原材料是木头)
_____________________________________________
纸是由木头做成的。(看不出原材料是木头)
_____________________________________________
be made of
be made from
This desk is made of wood.
Paper is made from wood.
5. He sent it to Archimedes and asked him to find out the truth.
他将皇冠交给阿基米德并要求他寻找真相。
总结:
(1) find out是指_________________
(2) find是指_________________
(3) look for是指_________________
翻译下列句子:
(1)警察最终查明车祸是怎么发生的。
_____________________________________________________
(2)你会在书的前面找到那幅图片。
_____________________________________________________
(3)有些鸟在寻找食物。
_____________________________________________________
查明,弄清(情况)
发现(discover),找出(强调结果)
寻找(强调过程)
The police finally found out how the car accident happened.
You will find that picture in the front of the book.
Some birds are looking for food.
辨析:at first与first of all
at first 起初;当初 相当于at the beginning,与后来发生的事相对照,其反义词组为at last(最后,终于)
first of all 首先,第一 相当于first,表示顺序,是时间上或一系列行动的开始,后面往往接next,then等。
选词填空( at first /first of all ):
起初我不想去,可是不久我改变了主意。
______ I didn't want to go, but I soon changed my mind.
At first
6. At first, he was very happy with it.
6. This problem seems difficult to solve.
seem 后可接_______,________, ________或________。
Everything seems easy.
He seems an honest man.
The maths problem seems to be very difficult to work out.
It seemed that no one knew what happened.
形容词
名词
不定式
that从句
seem adj.
seem sth.
to do
It seems that...
8. …so I'm certain that it's not completely made of gold.
be certain=be sure, 意为“相信确信,对有把握”。
be certain/sure+ that从句 确信
be certain/sure to do sth 肯定要做某事
be certain/sure of/about 对……确定,有把握
be certain/sure of doing sth 对做某事有把握
I am not certain/sure where she lives.
He is certain/sure to finish the task on time.
We are certain /sure of success.
He is certain/sure of winning the match.
adv. 确定地,一定地 certainly
adj.不确定的 undertain
9. A crown made completely of gold displaces less water than a crown made of gold and another metal.
完全用黄金制成的皇冠排出来的水比用金子和另一种金属制成的皇冠排出的水少。
①displace v. 取代;替代
汽车已取代了马车。
The automobile has displaced the buggy.
他已被另一个年轻人顶替。
He was displaced by another young man.
★近义短语:take the place of
9. A crown made completely of gold displaces less water than a crown made of gold and another metal.
完全用黄金制成的皇冠排出来的水比用金子和另一种金属制成的皇冠排出的水少。
此句中,谓语动词是displaces
所以,过去分词made 仅充当非谓语结构,表明被动含义
被动含义 可用被动语态be done表示(在句中充当谓语动词),
也可用过去分词done表示(在句中充当非谓语动词\句中已有谓语动词时采用)
The bridge (was built\built) two years ago connected the the village to the city.
The coffee (is mixed\mixed) with sugar taste better.
I prefer the books (are written\written) by Mo Yan.
He offered (helped\ to help) but (was refused\ refused).
Key phrases
1. 在古希腊 ________________
2. 对...满意 ________________
3. 用……做成 _______________
4. 找出真相 ________________
5. 看起来难于解决 ________________
6. 思考问题 ________________
7. 用……把……装满 ________________
8. 溢出 ________________
9. 同样的重量 ________________
10. 少于 ________________
11. 确信 ________________
12. 把……关进监狱 ________________
in ancient Greece
be happy with
be made of
find out the truth
seem difficult to solve
think about the problem
fill... with...
run over
the same weight
less than
be certain
send... to prison
Practice
一、用适当的词或所给词的适当形式填空。
1. I don't doubt____ he will come.
2. They were _____(real) surprised at the wonderful
flowers.
3. Books are made ____paper while paper is mainly
made ____wood.
4. He was ______(send) to prison six years ago.
5. The king was wearing a _______(gold) crown.
6. You'd better tell me the ________(true).
7. I am sure it is not _______(really) flower.
8. His teacher is happy ____him.
that
really
of
from
sent
golden
truth
real
with