2023-2024学年英语鲁教版（五四学制）九年级全一册Unit 9It’s important to have good habits 单元复习课件 (共22张PPT)

(共22张PPT)
Unit 9　It’s important to have good habits.
Section A
to get enough sleep得到足够的睡眠(P65)
enough修饰名词时,放在名词前后都可以;修饰形容词或副词要后置。“形容词或副词+enough (for sb.)+to do sth.”意为“(对某人来说)做某事是足够……的”。
▲He speaks English well enough to pass for a British.
他英语流利的使人以为他是英国人。
enough to句型的用法
(1)形容词或副词+enough to+动词原形,意为“足够地……;可以……”。
▲He is old enough to take care of himself.
他大了,能照顾自己了。
若enough前出现否定词,则不仅否定了enough,而且也否定其后的不定式。
▲He was not strong enough to do the work.
他不够强壮,不能做这工作。
(2)与so(such)...that结构转换
▲He is rich enough to buy a plane.→He is so rich that he can buy a plane.
他很有钱,可以买一架飞机。
(3)与too...to句型转换
▲He is too young to go to school.→He is not old enough to go to school.
他还不够大,还不能上学。
1.我们有足够的时间赶到车站。
.
2.这本书够简单, 你们可以看懂。
.
We have enough time to get to the station.
The book is easy enough for you to read.
I think it’s important for teenagers to talk problems over with someone.我认为对于青少年来说与别人讨论问题是重要的。(P65)
这是一个含有宾语从句的复合句。在宾语从句中,it是形式主语,to talk problems over with someone是真正的主语。
It is+adj.(+for sb.) +to do sth.表示“(对某人来说)做某事是……的”。
▲It’s easy for him to learn English well.
对他来说,学好英语很简单。
talk over意为“商量;讨论”,其宾语为名词时,可放在talk与over中间,也可放在over后面;宾语为人称代词时,则只能放在talk与over中间。talk sth.over with sb.意为“与某人商量/讨论某事”。
▲Tony always talks things over with his parents before he makes an important
decision.
托尼在做重要决定之前总是与父母商量一下。
1.到我办公室来,我们讨论一下这个问题。
Come to my office and we will 　　 　 the problem.
2.琳达和我谈过它了,我认为她对此的观点是正确的。
Linda and I have 　　 　 it 　　　,and I think she’s right on this.
3.It is difficult to get there before dark.
.
talk over
talked
over
天黑之前赶到那里很困难。
Exercising helps teenagers to stay healthy.锻炼有助于青少年保持健康。(P65)
本句为动名词作主语。exercising是动名词,在句中作主语,谓语动词用第三人称单数形 式。如:
▲Reading in bed is not good for your eyes.
躺在床上看书对你的眼睛不好。
stay healthy意为“保持健康”,相当于keep healthy/fit。
▲To stay healthy,you should eat more vegetables.
为了保持健康,你应该多吃蔬菜。
与health(健康)相约
(1)health n.健康
(2)healthy adj.健康的
(3)unhealthy adj.不健康的
(4)healthily adv.健康地
【一言辨异】
Eating healthy food is good for your health,so you must eat healthily.
吃健康的食物对你的健康有益,所以你要健康地饮食。
1.Going to school by car usually 　　 　(take) me 5 minutes every day.
2.It is good for our 　　 　(healthy) to eat more fruit and vegetables.
3.We should eat the food 　 　　(health).
4.To be/　　　　(be) a volunteer in the village is great.
takes
health
healthily
Being
need作实义动词,意为“需要”,用法如下:
(1)need sth.需要某物
▲We need a lot of plastic bottles.
我们需要大量的塑料瓶。
(2)need to do sth.需要做某事
▲We need to look for a lot of food.
我们需要寻找大量的食物。
(3)need doing=need to be done需要被做
▲The door needs repairing.=The door needs to be repaired.
这扇门需要(被)修理。
Well,you need to be very careful in order to be safe...嗯,为了安全,你需要非常小心……(P66)
need还可作情态动词,表示“需要”,多用于否定句或疑问句。
▲—Mom,need I wash my trousers right now
妈妈,我需要马上洗裤子吗
—Yes,you must./No,you needn’t.
是的,你必须(马上洗)。/不,你不必(马上洗)。
in order to 意为“为了”,后跟动词原形;否定式为in order not to do sth.,表示“为了不做某事”。
▲You must study hard in order not to fail the exam again.
为了不在考试中再一次不及格,你必须努力学习。
英语里可用to,in order to,so as to或so that,in order that来表示目的。
▲He got up early to/in order to/so as to catch the first bus.=He got up early so that/in order that he can catch the first bus.
他早起是为了赶上第一班公共汽车。
1.The boy needs to take care of his young sister.
.
2.The car needs washing.
.
3.We started early in order to arrive before dark.
.
这个男孩需要照顾他的妹妹。
这辆车需要洗一下。
为了在天黑前到达,我们很早就动身了。
Her parents have asked her to try to eat more healthily,but she doesn’t like to.她父母要求她尽量吃得更健康些,但她不喜欢。(P67)
try意为“尝试;努力”,用法如下:
1.他正设法在一家银行找一份工作。
He’s trying 　　 　 a job in a bank.
2.他尽最大努力使她开心,但是她还是沉默不语。
He 　 　　 to make her happy,but she still kept quiet.
3.我试穿了一下,大小正合适。
I 　　 　 them 　　　 and they were the right size.
to get
tried his best
tried
on
Section B
Not getting enough sleep has serious effects on our brain’s ability to work.得不到足够的睡眠会严重影响我们大脑的工作能力。(P70)
have effects on(=have an effect on)意为“对……有影响”。effect在此处用作可数名词,意为“影响”。
▲Human activities have many serious effects on the ocean environment.
人类活动对海洋环境有许多严重的影响。
1.父母担心流行音乐对他们的孩子的影响。
Parents worry about the 　　 　 of popular music 　　　 their children.
2.此事未对生产造成影响。
This has not 　　　 　　　 production.
effect
had an effect on
on
In order to concentrate at school or perform well in tests,we really need to get a good night’s sleep.为了在校专心或在测试中好好表现,我们真的需要在晚上睡一个好觉。(P70)
concentrate为动词,意为“专心;集中”,concentrate on意为“集中注意力”,后跟名词、代词或动词-ing作宾语。
▲She concentrated on her scientific studies and made something of herself.
她专心于科学研究并有所成就。
concentration n.集中;专注
1.Just concentrate on 　　　　(write),don’t look out of the window.
2.He is a boy with little power of 　　 　　(concentrate).
writing
concentration
The amount of sleep we need is different from person to person, though the average seems to be just under eight hours.我们需要的睡眠多少是因人而异的,虽然平均时间似乎刚好在8个小时之内。(P70)
amount为名词,意为“数量;数额”。
▲ He gave me a fifth of the total amount.
他给了我总数的五分之一。
the amount of,an amount of
the amount of 后接不可数名词,表示“……的量”,作主语时谓语动词用单数。
▲The amount of everyday exercise depends on your physical condition.每天的运动量取决于你的身体状况。
an amount of 后接不可数名词,表示“相当数量的……”,作主语时谓语动词用单数。
▲An amount of money was left after her grandpa died.她爷爷死后留下了一笔钱。
【注意】the number of,a number of后跟可数名词复数形式,分别意为“……的数量” “很多……”。
1.　　　　 great number of people have realized how important it is to reduce　　　
amount of land pollution.
2.A large amount of work　　　 　(finish)every day.
A
the
is finished