外研版（2019）必修第三册Unit1 Knowing me, knowing you Words and expressions第一部分课件(共29张PPT)

(共29张PPT)
Unit 1 Words and expressions第一部分
Learning objectives:
After the class, you will be able to
1. learn to guess the meanings according to the context.
2. master the key words and expressions and learn to use them for writing.
1. loose
Guess the meanings.
1) If you feel a tooth is very loose, your dentist may recommend that it be taken out.
2) Why are the students asked to tie back their loose hair in the lab.
3) She wore such a loose jacket that I didn’t recognise her.
松动的
披散的
宽松的
4) The sheep had got out and were loose on the road.
5) Loose lips sink ships.
自由的
说话随便的
2. sink v. sank sunk
Guess the meanings.
1) The ship sank to the bottom of the sea.
2) She sank back into her seat, exhausted.
3) Far off the west the sun is sinking.
4) My heart sank as I heard I failed in the driving test.
5) My salary has sank to 80%, which makes me depressed.
沉没
坐下
落下
沮丧
下降
3. fault n. 责任，过错
find fault with 对······不满，挑剔
be at fault 有过错，有责任
1) Rather than admitting they __________________(有错误), they tried to shift the blame onto someone else.
2) She was highly self-critical and also ______________
(挑剔) her friends.
were at fault
found fault with
4. resolve v.①解决②下决心
resolution n.
resolve a problem 解决问题
resolve to do 下决心做某事
=resolve on doing
=make a resolution to do
1) They ____________(resolve) their differences and made an effort to get along.
2) After careful consideration and long discussion with my parents, I resolved on _____________(study) abroad.
3) I resolved ______________(adjust) my previous plan independently because it cost too much time.
4) With the problem ______________(resolve), they flew back and continue their project.
resolved
studying
to adjust
resolved
5) We must find a way to ___________________(解决这些问题) before it’s too late.
resolve these problems
5. signal n.信号；暗号v.发信号；示意
give sb the signal to do sth 示意某人做某事
=signal to sb to do sth
=signal that
1) My mother signaled to me _____________(remove) the table.
2) His disappointed expression is a signal __________ we let him down.
to remove
that
辨析signal/symbol/mark/sign
①signal信号；
②symbol象征，标志；
③mark标记；
④sign迹象，征兆。
1) In Greece, the olive tree is a ___________ of peace and wisdom.
2) He made a ___________ at the bottom of the page where he had problems.
3) The look on her face was a definite ____________ that something was wrong.
4) When the bell rang and the teacher closed his book, it was a ___________ for everyone to stand up.
symbol
mark
sign
signal
6. concern n.忧虑，担心v.
concerned adj.担心的，忧虑的
concerning prep.关于
be concerned about/ for 关心，担心
=show/express/raise concern about/for
be concerned with 与······有关
as far as sb be concerned 就某人而言
1) Certain new regulations _____________(concern) studying abroad have been announced recently.
2) All the people _________________(与······有关的) children’s education were invited to attend the meeting.
3) 我写信的目的是和你分享一些关于中国餐桌礼仪的信息。
________________________________________________
concerning
concerned with
I am writing to share with you some information concerning Chinese table manners.
7. help sb out 帮某人解决难题
help sb do sth 帮助某人做某事
=help sb with sth
help sb to sth 随便吃
can’t help do sth 不能帮助做某事
can’t help doing 禁不住做某事
can’t help but do 不得不做某事
1) The ice cream looked so good that I couldn’t help __________(try) it.
2) Make yourself at home and help __________(you).
3) Sometimes, in order to succeed, we
______________________________(只能勇敢面对失败) and learn from it.
trying
yourself
can’t help but face failure bravely
4) 每当我陷入麻烦的时候，我的老师总是会帮助我摆脱困境。
_________________________________________________________________________
Whenever I get into trouble, my teacher always helps me out.
8. let sb down使某人失望
let alone 更不用说
let off steam 发泄怒火，宣泄情绪
1) He ________________________(发泄怒气) by removing bricks all afternoon.
2) 他在高考中失利，这使他父母很失望。
________________________________________________________________________________________________
He failed in the College Entrance Examination, which let his parents down.
let off steam
9. take a breath 吸一口气
take a deep breath 深吸一口气
hold one’s breath 屏住呼吸
out of breath 上气不接下气
1) 最终我们按时到达了目的地，上气不接下气的。
________________________________________________________________________________________________
Finally, we arrived at the destination on time, out of breath.
10. pull one’s weight 做好分内事，尽责
put on/gain weight 增加体重
lose weight 减肥
1) 只有大家都各尽其责，我们才能成功。
________________________________________________________________________________________________
We will succeed only if everyone pulls his weight.
Practice
用词汇的适当形式填空。
1. It’s your ______________(过错) to let the dog loose and run away.
2. The best strategy to _____________(解决) the problem is to apologise to him.
3. If a boat ______________(沉没), it is sure to cause people’s concern about the safety of the crew.
fault
resolve
sinks
4. Look! It’s like a ___________(信号) when a ship sinks. We should rescue it immediately.
5. Because of the typhoon, the rope tied to the boat got _____________(松散的), causing the boat to sink.
6. The government has sent a signal of ____________(关切) for economic development.
signal
loose
concern
运用相关短语填空。
7. At present, I an in a mess and need someone to ________________(帮我解决困难).
8. She was __________________(发泄怒火) at that moment because she was angry with her partner.
9. The boy was so crazy about video games that he
________________________(让父母很失望).
help me out
letting off steam
let his parents down
10. I am angry with Jack because he is always ________________________(挑剔) everything I do.
11. This problem concerns everyone and we should
________________(关心) its end.
12. As long as everyone ______________(做好分内事), we are sure to make achievements.
13. If you do a maths problem, ______________(吸一口气) before you work on a difficult problem.
finding fault with
be concerned about
pulls his weight
take a breath