2020-2021学年人教版高中英语选修八Unit 5 Meeting your ancestors language points 课件（17张PPT）

unit5 reading
language points
Step 1 Match the following words and their meanings
1．alternative A．to break the flow of speech or action of someone by saying or doing sth.
2．starvation B．ancient
3．interrupt C．enough
4．assume D．untidy
5．sharpen E．choice
6．ample F．suppose
7．messy G．to become or make sharp
8．primitive H．suffering or death from lack of food
1. It is a great pleasure to meet you students from England. (L3)
_______________________________ you go shopping with me.
有你陪我去购物真是件高兴的事
It is a great pleasure to have
It is a great pleasure to do sth 很高兴做某事
It is an honour to do
It is a privilege（特权） to do
2.Can you think of the alternatives we would use today？
n. 可能的选择 ；adj.供选择的; 其他的
①I'm afraid I have no alternative but to report you to the police.
②New ways to treat arthritis may provide an alternative to painkillers.
③For us, there is no alternative but to take immediate action to stop pollutiont
别无选择只能做某事
......的替代品
别无选择
①The manager said that they had an ___________ plan if the plan they had submitted was not accepted.
② It was so serious a matter that I had no alternative but______ (call) the police
alternative
to call
3. I'm sorry to interrupt you but how could they live here? (L8)
vt.& vi.打断……讲话；打岔；暂时中断或中止
用interrupt的正确形式填空
1).It is bad manners ____________the speaker.
2).The race ______________ by the pouring rain, so the competitors had to leave the track.
3).She has been working out at the gym for several years _________________.
to interrupt
was interrupted
without interruption
...被...打断
连续地；不断地
interrupt v. 打断。
强调“打断，使……不能继续”。
disturb v. 打扰, 妨碍。
强调“使……心烦，使……不安”之意。
VS
eg: His speech was constantly interrupted by applause.
Bad dreams disturbed her sleep.
即学即练
1.Traffic in the city __________________ （interrupt）by a snowstorm.
市内交通被暴风雪所阻断。
2.(中译英) 电话铃声打断了他们的谈话。
—————————————————————————————
3. (英译中) If you get up early, try not to disturb anyone else.
__________________________________________________________
was interrupted
The ringing of the telephone interrupted their talk.
如果你起得早，尽量不要打扰别人
4.So we think it is reasonable to assume they lived in these caves, regardless of the cold. (L10)
assume: to think or accept that sth is true but without having proof of it
假定；设想
1)._______________（assume） that he is still alive, how old would he be now?
2). 许多人认为他是对的。
Assuming
假设，用作连词或副词，同义词Supposing that
A lot of people make the assumption that he is right.
= A lot of people assume him to be right.
= It is assumed that he is right.
假设......
认为某人是......
人们认为
(1)(2018·江苏卷)It is wrong___________ (assume) arts groups cannot make a profit.
(2)A lot of people make the _____________(assume) that poverty only exists in the third world.
能力提升
要是我当选为北京冬奥会的志愿者， 我将全心全意为人民服务。
______________________ I am chosen to be a volunteer at Beijing Winter Olympic Games，I will serve the people heart and soul. (assume)
to assume
assumption
Assuming that
regardless of (prep) paying no attention to sth “不管，不顾”
(侧重指不计后果和代价)
①He says what he thinks，____________________________________________.
他怎么想就怎么说，不考虑别人的感受。
②The law requires equal treatment for all，___________________________________.
这一法律要求平等对待每一个人，不管种族、宗教信仰或性别。
③_______________________________________________，we have to follow his decisions.
不论他是对还是错，我们必须遵守他的决定
regardless of other people’s feelings.
regardless of race, religion, or sex.
Regardless of whether he is right or wrong
5.We continue discovering tools that were sharpeners for other tools. It seems that they used the sharpened stone to cut up (切碎) animals and remove their skin. (L32)
v．(使)锋利；尖锐；清晰；加剧
_________ adj.锋利的；机敏的；尖刻的；严厉的
____________ adv.突然地；急剧地
_______________ n．磨具；削
sharp
sharply
sharpener
1. A pencil _____________(sharp) is a device that can be used _____________ (sharpen) a pencil.
2. 这把刀需要磨了.
This knife needs __________________(sharpen).
3. At night，the temperature would drop __________.
在夜间，气温将急剧下降
sharpener
to sharpen
sharpening /
to be sharpened
sharply
sharpen是形容词sharp加后缀?en组成的动词，类似的变化形式常见的还有
形容词
动词
词义
weak
__________
变弱；变衰弱
soft
____________
使……软化
thick
____________
使……变厚
short
__________
使……变短
deep
__________
加深；深化
weaken
soften
thicken
shorten
deepen
形容词
动词
词义
hard
__________
使……变硬
loose
__________
放松；解开
quick
__________
加快；刺激
rough
__________
变粗糙
light
__________
减轻
harden
loosen
quicken
roughen
lighten
6. cut up vt. 切碎 ; 使伤心难过
cut
cut off
切断，隔绝
cut in
插嘴
cut down
砍倒，削减
cut out
删除
cut across
抄近路
cut away
切掉，减掉
即学即用——用cut的相关短语填空
(1)You smoke too much—you should really try to .
(2)She kept on our conversation.
(3)Our water supply has been .
(4)She was pretty about their leaving.
cut down
cutting in
cut off
cut up
1. You could buy a new machine for about $350，$400 _________most.
2．Our club is open to everyone regardless ______age，sex or educational background.
3．Electricity_____________(interrupt) in the course of work，so we didn’t finish it on time.
4．There were so many cars held up by the heavy rain on the road that we had no alternative but____________(wait)．
5．My desk isn’t always this___________(mess)—I’ve been working on a major project these days and I haven’t had time to clear up.
6．The kitchen knife has become dull，so Mother asked me to________ (sharp) it. 第7、8小题用assume的正确形式填空：
7.We all can go out for a picnic this afternoon—__________that the others agree.
8.The theory is based on a series of wrong________________，so it can’t be put into practice.
at
of
was interrupted
to wait
messy
sharpen
assuming
assumption
Thank you！