Unit 4 教学 知识细解码 教材讲解 2021-2022学年 外研版（2019）高中英语必修第一册

1．familiar adj.熟悉的→unfamiliar adj.不熟悉的

2．prefer v．更喜欢→preference n．偏爱；爱好

3. deliver v．递送，传送→delivery n．交付，递送

4．advance n．进步，进展→advanced adj.先进的，高级的

5．significant adj.重大的→significantly adv.重大地，显著地→significance n．意义，重要性

6．able adj.有能力的，能干的→enable v．使可能，使发生

7．usual adj.通常的，惯例的，平常的→unusual adj.异常的，不平常的→usually adv.通常

8．crime n．罪行，犯罪活动→criminal n．罪犯

9．date n．日期→update n．最新消息

10．illustrate v．(举例)说明，阐明→illustration n．说明，插图

deliver vt.接生；生(小孩儿)；递送；发表(演说等)

①Two doctors delivered the baby safely for a woman of 45 last night.

                                                  接生

②The store is more than happy to deliver goods to our home.           递送

③The president delivered an inspiring speech at the national conference.   

                                   发表(演说等)

Words and Phrases

　familiar adj.熟悉的

(教材原句P37)With no familiar faces in view

看不到熟悉的面孔

[例]　I am familiar with his work and look forward to hearing his views on this novel.

我很熟悉他的作品，期待听到他对这部小说的评论。

[即学即练]　单句语法填空

①The course is designed for students who are unfamiliar (familiar)with computers.

②The smell is very familiar to everyone who lives near a bakery.

③Most people are familiar with the idea that matter consists of very small atoms.

[小片段填空]

As a taxi driver，he is familiar with every street of the city.He was born here so almost everything in the city is familiar to him.That is why he chooses to be a taxi driver and always tries to find something new and unfamiliar (familiar).

　prefer vt.更喜欢；选择某事物(而不选择其他事物)

(教材原句P38)How do you prefer to communicate with friends every day?

你喜欢如何每天与朋友交流？

[例]　Which do you prefer，staying at home or going swimming with me?

你更喜欢干什么，待在家里还是和我出去游泳？

[即学即练]　单句语法填空

①My mother prefers to go (go)to work rather than stay(stay)at home.

②In the crowded city，my father prefers walking to taking (take)a bus.

③I prefer him to come (come)to see me right now.

[小片段填空]

During the weekend，some prefers staying /to stay(stay)at home watching TV，and some prefers to go (go)out shopping rather than stay(stay)inside.I prefer doing a thorough cleaning to watching(watch)TV.

　lose track of 不了解……的情况，不了解……的动态；忘记

(教材原句P38)How would you feel if moving to a new town meant losing track of your friends?

如果搬家到一个新的城镇意味着与你的朋友失去联系，那么你会感觉如何？

[例]　It is typical of him to wander in mind and lose track of what he is doing.

他通常会走神，忘了自己正在干什么。

[即学即练]　单句语法填空

①They hope to track down the source of the great epidemic at the beginning of the year.

②Social media makes it easy for us to keep track of all one's old school friends.

③So far，they all have been more or less on track.

④If you can not use WeChat at the present time，you are at the risk of losing track of your most friends，especially the young ones.

　(教材原句P38)Thanks to advances in technology，how we make friends and communicate with them has changed significantly.

由于科技的进步，我们结交朋友、与朋友沟通的方式已经有了明显的改变。

(1)thanks to归功于……，多亏……

[例]　Thanks to the timely help，we went through the hard situation.

多亏了及时的帮助，我们渡过了难关。

[即学即练]　单句语法填空

①Thanks to your inspiration，I am successful.

②He had to retire because of ill health.

③Our delay was due to the heavy traffic.

(2)advance n.进步，进展；v.前进；促进；提出；提前 adj.预先的，在前的

[例]　He has made great advances in sculpting skills.

他在雕刻技能方面有了很大的进步。

[即学即练]　单句语法填空

①England was one of the most advanced (advance)industrial nations in the world.

②He preferred to book a ticket for the football match in advance，but missed the chance.

③In the near future，scientists will make an advance in robot technology.

[小片段填空]

Determined to learn the advanced(advance)technology abroad，he has made advance preparations and applied for a passport in advance.He believes he will make great advances(advance)in this field and be far in advance of his classmates.

　up to 忙于，从事着(尤指坏事)；在捣鬼

(教材原句P38)Social media tools let us see what our friends are up to and maintain friendships.

社交媒体工具让我们了解朋友的最新状态并维系友谊。

[例]　I want to know what he has been up to this week?

我想知道这个星期他一直忙什么呢？

[即学即练]　单句语法填空

①It's up to you to find (find)out what your goals really are.

②My Japanese isn't up to translating (translate)that long e­mail.

③It's up to you whether we accept the present or not.

[小片段填空]

Her father wanted to know what she was up to，so she sent him several working photos via WeChat.She said she found a job that she was up to and the salary she got reached up to ￥5，000 each month.

　tend　v.易于做某事，往往会发生某事

(教材原句P39)On social media sites，people tend to post only positive updates that make them appear happy and friendly.

在社交媒体网站上，人们往往只会将正面的最新信息展现出来，让他们看起来很快乐、很友好。

[例]　Opportunities and success tend to be in favour of those who are ready.

机遇和成功往往青睐于那些有准备的人。

[即学即练]　单句语法填空

①There is a growing tendency(tend)for people to work at home instead of in offices.

②Which sleeping position shows that the sleeper tends to seek(seek)perfection?

③Personally，I tend towards the second plan you offered.

　prove v.证明，证实

(教材原句P40)To prove that making friends was easier in the past.

为了证明过去交友更容易。

[例]　She wants to prove that she has made efforts as well as achievements.

她想证明她既努力了又取得了成就。

[即学即练]　单句语法填空

①If you find you aren't trusted then I can prove yourself to others.

②It was Zhong Nanshan who proved (prove)the epidemic could be controlled.

Sentence Patterns

　what if倘使……将会怎样

(教材原句P38)What if the only way of getting news from faraway friends was writing letters that took ages to be delivered?

如果只有通过写信和漫长的等待才能得知远方朋友的消息，你会怎样？

句式分析：what if意为“倘若……将会怎样；即使……又有什么关系”

[例1]　It sounds like a good offer，but what if it's a trick?

那个提议听起来很诱人，但如果是个骗局会怎么样？

[例2]　We've already ordered a table.What if they do not come?

我们已经定好了位子。要是他们不来该怎么办呢？

[即学即练]　单句语法填空

①What about going to see the movie Mulan tonight?

②What if she finds out that you mistook her wallet?

③—I need to see a doctor.

—What for?

　whatever引导让步状语从句

(教材原句P39)Whatever our hobbies，the Internet can connect us with others who also enjoy doing them，even if they live on the other side of the world.

无论我们爱好什么，互联网总能把我们与喜爱做这些事情的人联系起来，即使那些人生活在世界的另一边。

句式分析：whatever引导让步状语从句，其作用相当于no matter what，意为“不管什么，无论什么”。

[例1]　Whatever human race do，we can't go against nature.

无论人类做什么，都不能违背自然规律。

[例2]　Whatever he told you about me，please don't believe him.

无论他对你说了什么关于我的事儿，都不要相信他。

[即学即练]　完成句子

①Although you have passed the exams，it doesn't mean you can do whatever you like(无论你喜欢什么).

②He can answer the question　however hard it is(无论它有多么困难).

③Whenever/No matter when(无论何时)we met with difficulties，they came to help us.

Ⅰ.单句语法填空

1．The number of people who support him has reduced significantly(significant).

2．The advanced (advance)course was accepted only by 30 students.

3．It's not unusual (usual)for a young doctor like him to do the operation.

4．The new findings will enable doctors to discover (discover)the cause of the disease early.

5．Some students tend to react (react)against the teacher by going against his wishes.

6．In order to get familiar with the city，he cycled around the city in a week.

7．On Sundays my brother prefers staying (stay)at home doing his homework to going out to play with other children.

8．As long as you've paid in advance we won't charge you for delivery (deliver).

9．Margaret proved herself to be (be)a good mother.

10．Whatever you do，it's important that you try your best.

Ⅱ.选词填空

lose track of，throw out the baby with the bathwater，communicate with，what if，keep in mind，up to，stay in touch with，in view，make friends，thanks to

1．Thanks to his help，we had no difficulty finishing the work on time.

2．We don't know how to communicate with our parents about our study.

3．Keep in mind that the homework should be finished by tomorrow afternoon.

4．In my opinion，the young girl is not really up to the job you gave her.

5．It is not easy for shy Helen to make friends easily here in the strange place.

6．Stay in touch with those who matter to you.

7．We lost track of each other after we graduated from high school.

8．We reached the hill top and there was the sea in view．

9．What if there will be a wonderful football match on this Saturday night?

10．Therefore，it seems to me that we throw out the baby with the bathwater when we insist on changing our plan.

Ⅲ.课文语法填空

Thanks to 1.advances (advance)in technology，how we make friends and communicate with them 2.has changed (change)significantly.Nowadays，we can move around the world 3.and still stay in touch with the people that we want to remain friends with.Social media tools let us see what our friends are up 4.to and maintain friendships without 5.missing (miss)a beat.The digital age also enables us 6.to find (find)people who share our interests.But we need to keep in mind that what we see on social media is often not the whole 7.truth (true)about a person.On social media sites，people tend to post only good things that make them appear happy and 8.friendly(friend).But smiling photos can hide real problems.But this doesn't mean that we should throw the baby out with the bathwater.9.Although technology has changed the way we acquire friends，the meaning of friendship and our 10.longing(long)for friends remain the same.