2024年2月27日发(作者：)

冀教版八年级下册Unit3知识点总结（解析版）

(动词)跑

搭配：run out of… 用完…;用尽…

-- run out of the resource 用尽资源

-- run 逃避...；远离...

--run after… 追逐…

-- in the long run 从长远来看

好句赏析：The fact that they were running out of the food added to their difficulty 他们即将用完食物的事实增加了他们的困难

课文原句：I ran all the way to your house. 我一路跑到你家。

例题（1）We ___ B _____ let the water run to waste.

A．daren’t B．mustn’t C．needn’t

例题（2）Many Olympic Games players’ winning experience tells us students that we should run after our dreams

_ B ____ there may be only hope now.

A．as long as B．even though C．as far as

ship（名词）友谊

短语：the meaning of friendship 友谊的意义

-- values friendship 珍惜友谊

--a symbol of friendship 友谊的象征

--build deep friendships 建立深厚的友谊= establish friendships

好句赏析：As we live in social groups, there are many benefits of friendship that we can enjoy. 当我们生活在社会群体中时，我们可以享受友谊的许多好处。

课文原句：Friendship truly has no boundaries. 友谊无界限。

例题（1）Pandas are a national treasure in China. As a ___ C _____ of friendship, two pandas, Ling Ling and Hsing

Hsing, were sent to the US on April 16, 1972.

A．custom B．memory C．symbol

例题（2）

— My friends always encourage me when I feel down. I think friendship is the greatest gift ________ in our life.

— I agree with you. A true friend is a person __ C ______ reaches for your hand and touches your heart.

A．whom B．whose C．who D．which

3. care（动词）关心；在意

词转:careless（形容词）粗心的

--carelessness（名词）粗心

--careful（形容词）小心的；仔细的

搭配：be careful with… 小心对待…

-- driver more carefully 更加小心开车

--care for=look after=take care of… 照顾…

好句赏析：You should be more careful from now on than ever. 从现在开始，你应该比以往任何时候都更加小心。

课文原句：Good friends can show they care without words. 好朋友能够不用语言来表达他们彼此的关心。

例题（1）Old people ___ B _____ good care of in China today.

A．is taken B．are taken C．will be taken D．take

例题（2）—People have come to know that their health must __ D ______.

—You are totally right. Everyone should care about health today.

A．pay more attention B．pay more attention to

C．be paid more attention D．be paid more attention to

4. warn（动词）警告

短语：warn sb to do sth 警告某人做某事

--warn sb not to do sth 警告某人不要做某事

--issue flood warnings 发布洪水警告

词转：warning（名词）警告

--because of one's warning 由于某人的警告

好句赏析：The specialist has warned him repeatedly not make friends with strangers online. 这位专家一再警告他不要在网上与陌生人交朋友。

课文原句：It also makes noise to warn the rhino about coming danger. 它也会发出声音来警告犀牛即将到来的危险。

例题（1）The policeman warn the man ___ D _____ after drinking, because it may cause an accident.

A．drive B．driving C．to drive D．not to drive

例题（2）This sign ____ D ____ to warn people to keep away from the river.

A．uses B．used C．is using D．is used

5. be used to doing sth.习惯于做某事=get used to doing sth

--be used to do ……被用来做某事=be used for doing sth

--used to do sth 过去常常做某事

好句赏析：The young lady used to depend on her relatives to look after her child. 这位年轻女士过去常常依靠亲戚照顾孩子。

课文原句：I used to think only the same animals live together. 过去我认为只有相同的动物生活在一起。

例题（1）—Nowadays, many young people get used to __ B ______ late every day. They don’t have enough sleep.

—Exactly. But that’s not a good habit.

A．stay up B．staying up C．stay out D．staying out

例题（2）He ___ B _____ to be alone in the big city, but now he ________ living in the city.

A．was used ; is used to B．used ; is used to C．used ; has used to D．used; has been used to

ear（动词）消失

搭配：disappear forever 永远消失

-- disappear with time going by 随着时间的流逝逐渐消失

--disappear from the earth 从地球上消失

词转：appear（动词）出现

--appearance（名词）出现；露面；外表

--disappearance（名词）消失

好句赏析：Hopes are disappearing for the survival of the missing climbers 对于失踪攀登者幸存的希望正在消失

课文原句：As forests disappear, tigers lose their homes. 随着森林的消失，老虎失去了他们的家园。

例题（1）A lot of wild animals are in danger and ___ D _____ disappear from the earth in the future.

A．must B．need C．should D．may

例题（2）___ C _____ more and more people surf the Internet for news, the traditional newspaper may not disappear

in a short time.

A．Because B．As C．Although D．Whenever

（名词）危险

短语：be in danger 处于危险当中

--be out of danger 脱离危险

--in the face of danger 面对危险

-- the victims in danger 处于危险中的受害者

--bring danger to… 给…带来危险

课文原句：In recent years, tigers have been in danger of disappearing. 在近几年，老虎处于濒临灭绝的危险中。

例题（1）—Did the doctor save the girl?

—Yes, she ___ A _____ on the morning of May 10th. She is out of danger now.

A．was operated on B．operated on C．was operated D．operated

例题（2）If the number of the sharks drops too __ A ______, it will bring danger to all ocean life.

A．low B．little C．few

（动词）（名词）跳

搭配：the high jump 跳高

--the long jump 跳远

-- jump the farthest 跳的最远

--jump out of the hole 跳出洞穴

-- jumps to conclusions 妄下结论

课文原句：It can jump out of the water and flap its wings up to 70 times a second. 它可以跳出水面，以每秒钟多达七十次的频率挥动翅膀。

例题（1）—I can’t see John. Where is he?

—He ___ B _____ high jump in the playground.

A．was practicing B．is practicing C．will practice

例题（2）The frog (青蛙) couldn’t jump out of the hole, because it was too __ B ______.

A．big B．deep C．wide D．short

（动词）使害怕

--scare sb 使某人害怕

词转：scared（形容词）害怕的=frightened

--be scared of+名词 害怕...

--be scared by… 被…吓到

--be scared to do 害怕做某事

--I was so scared that I couldn't move 我是如此的害怕以至于我不能动

课文原句：Maybe cameras scare the animals. 也许摄像机会吓到动物。

例题（1）

Jim was ___ C _____ by the big fire.

A．scare B．scaring C．scared D．to scare

例题（2）

Tommy and Jack were warned __ A ___ or scare the animals when they were in the zoo yesterday.

A．not to feed B．not feed C．don't feed D．to not feed

10. reason（名词）原因=cause

短语：the reason for+名词... ...的原因

--the reason why+句子 ...的原因

--the reason to do sth 做某事的原因

--reasonable（形容词）合理的

--at a reasonable price 有着合理的价格

--unreasonable（形容词）不合理的

好句赏析：It is of great importance to stay calm and reasonable when our parents and teachers blame or criticize us

当我们的父母和老师责备或批评我们时，保持冷静和理性非常重要

课文原句：For this reason, tigers are important to the environment. 因为这个原因，老虎对环境很重要。

例题（1）Jim does his homework ___ B ______ than Tom. That is the reason why he learns better than Tom.

A．more careful B．more carefully C．less careful D．less carefully

例题（2）—Would you like to come to my birthday party this weekend, Jenny?

—Sure, I’d love to. I have no reason to ____ D ____ your invitation.

A．cut off B．take in C．show up D．turn down

（动词）听见--heard-- heard

搭配：hear from sb 收到某人的来信

--hear sb do sth 听见某人经常做某事；听见某人做过某事

--hear sb doing sth 听见某人正在做某事

好句赏析：Make sure (that) your child hears positive and encouraging words from you 确保您的孩子听到您积极和鼓励的话

课文原句：We heard about it on the radio! 我们是从收音机中听到的！

例题（1）

— Did you hear someone knock at the door just now?

— No, Sir. I __ B ______ to music.

A．am listening B．was listening C．listened D．have listened

例题（2）

—My right arm is so __ B ______ that I can’t write.

—Sorry to hear that. You should go to see the doctor.

A．warm B．painful C．smooth

（形容词）凶猛的；猛烈的

短语：a huge fierce monster 一个巨大的凶猛的怪兽

好句赏析：Their quarrel was so fierce that they finally exchange blows 他们的争吵如此激烈，以至于最终互殴起来了

课文原句：There’s a fierce bear coming. 有一只凶猛的熊来了。

例题（1）

—Jack asked __ B ______ go to Shanghai this weekend.

—Of course not. The pandemic stuck the city and the situation is really fierce (严峻).

A．if he can B．whether he could C．why he could

例题（2）

The tour guide happened to meet a huge fierce monster __ B ____ Mystery Island.

A．in B．on C．at D．by

（名词）玩笑；笑话

短语：play 和某人开玩笑=trick sb

--tell a joke 讲笑话

好句赏析：Do you have any jokes to play on anyone？ 你还有什么玩笑可以和别人开的吗？

课文原句：You’re joking, aren’t you? 你们在开玩笑，不是吗？

例题（1）

I decided to play a joke __ B ______ my sister ________ her birthday.

A．at; at B．on; on C．at; on D．on; at

例题（2）

My father _ B _______ me a funny joke and I can’t stop laughing every time I think of it.

A．tells B．told C．will tell D．is telling

14. number（名词）数字；号码

搭配：a number of… 一些…--作主语谓语动词用复数

--the number of… …的数量--作主语谓语动词用三单

--the number of the volunteers 志愿者的数量

-- a growing number of… 越来越多的…

-- a number of sticks of equal length 一些数量等长的棍子

好句赏析：The new survey shows that the number of the students addicted to computer games has been on the

increase in recent years. 他新的调查显示，近年来沉迷于电脑游戏的学生人数一直在增加。

课文原句：At the beginning of the 20th century, the number of tigers in the wild was around 100000. 在二十世纪初期，野生老虎的数量大约是十万只

例题（1）

—The number of the volunteers ___ C _____ reached 3 million.

—Yeah, a number of them ________ college students and party members.

A．is; are B．have; is C．has; are

例题（2）

____ B ____ students at my school have done some voluntary work and ________ them is increasing.

A．A number of; a number of B．A number of; the number of C．The number of; a number of

（动词）下降（可数名词）滴

短语：a sharp drop 急剧的下降

--drop the glass to the floor 把杯子摔到地上

--a drop of… 一滴…

--save every drop of water 节约每一滴水

--drop in on sb 拜访某人

好句赏析：This cook is the one on whom we dropped in the other day. 这个厨师是我们前几天拜访的那个

课文原句：But today that number has dropped to a few thousand. 但是现在，数量已下降到几千只。

例题（1）

According to the rules, you __ D ______ drop the used masks in the yellow bin for harmful wastes.

A．need B．can C．may D．must

例题（2）—Don’t ___ A _____ water. We must save every drop of it.

—Sorry, I won’t do it again.

A．waste B．throw C．play D．leave