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九年级英语重要知识点笔记（冀教版3-4单元）
1.necessary（adj.）必须的/必要的
it is necessary for sb. to do sth.做某事对某人来说是必要的
it做形式主语：
【1】itis+ adj. for sb. to do sth.
be后的adj.一定是描写事物性质的形容词，如important/difficult/useful/interesting
e.g. It is necessary for us to protect the environment.
【2】it is+ adj. of sb. to do sth.
be后的adj.一定是描述人的品质的形容词，如brave/careful/polite/kind
e.g. It is nice/kind/friendly of you to help me.
例题：
of/for填空
「1」It is foolish of him to believe her words.
「2」It is important for us to study hard.
「3」It is clever of her to work it out.
「4」It is easy for me to work out the problem.
2.ugly（adj.）丑的-uglier（比较级）更丑的-ugliest（最高级）最丑的 an ugly cat一只丑陋的猫
3.wound
【1】v.受伤e.g.He was wounded in the arm.
【2】n.伤口an ugly shoulder wound一个丑陋的肩伤a leg wound一处腿伤
【3】wounded（adj.）受伤的wounded soldiers受伤的士兵the wounded伤员
4.sudden（n./adj.）突然（的） a sudden change骤变 all of a sudden=suddenly（adv.）突然地
5.【1】blood（n.）血e.g. He lost a lot of blood in the accident.
【2】bloody（adj.）流血的/血腥的 a bloody nose一个流血的鼻子
【3】bleed（v.）e.g.He is bleeding.
6.scissors（复数名词）剪刀 a pair of scissors一把剪刀 two pairs of scissors两把剪刀
e.g.（1）The pair of scissors is very good.（2）The scissors are made of iron.
复数名词举例：trousers，pants，shorts，jeans，glasses（一般以复数形式出现）
7.although虽然/尽管（不与but连用，但可与yet连用）
e.g. Although our teacher is strict with us，she is still a very good teacher.
though不过/可是/然而（相对于though，although的语气更强，更正式，通常放在句首）
（1）He said he would come，he didn’t go，though.
（2）Have you ever been to Australia？-No，I’d like to go，though.
扩展：because不与so连用
8.text
【1】n.正文/课文：an English text一篇英语课文
【2】v.发短信：text sb.给某人发短信
【3】n.短信：send a text/message发一条短信
test（n./v.）测验（注意和test拼写的不同）have a test参加测验
9.single单一的/单个的/未婚的/单身的
【1】a single bed单人床
【2】a single man单身的人
【3】a single ticket单程票
反义词：double双的/两倍的a double room/bed双人房/床
awake（adj.）醒着的-asleep（反义词）睡着的e.g. Is he asleep or awake？
11.konck（v.）敲
【1】knock at/on敲击knock at the door敲门knock on the window敲击窗户
【2】knock down拆除/撞倒
（1）They will knock down the wall.
（2）She was knocked down by a bus.
12.【1】music（n.）音乐listen to music听音乐
【2】musical（adj.）音乐的musical talent音乐才能musical instrument乐器
【3】musician（n.）音乐家e.g. He is a famous musician.
13.【1】humor（n.）幽默e.g. He is full of humor.
【2】humorous（adj.）幽默的e.g. It is a humorous story.
【3】humorless（adj.）乏味的（反义词：humorous）
14.【1】care「1」n.关怀/关心take care of=look after照顾
「2」v.照顾/关心/喜爱carefor照顾/喜爱care about关心
【2】careful（adj.）小心的/仔细的
「1」be careful=look out=take care小心
「2」be careful with小心.../当心...e.g. Be careful with knives.
「3」be careful to do小心做某事
「4」be careful not to do小心不要做某事e.g. Be careful not to wake the baby.
【3】carefully（adv.）小心地/仔细地e.g.（1）Please listen to me carefully.
【4】careless（adj.）不小心的/粗心的（反义词：careful）
e.g.（1）It was careless of me to leave the dooropen.
（2）Don’t be so careless with spelling.
【5】carelessly（adv.）不小心地/粗心地（反义词：carefully）
【6】carelessness（n.）粗心e.g. Because of my carelessness，I failed the exam.
例题：
The more carefully （认真）people drive，the fewer （少）traffic accidents there will be.
15.hang-hung-hung悬挂v.
hang-hanged-hanged绞死v.
【1】hang up「1」挂起/悬挂「2」挂断电话hang up the clothes挂衣服
e.g. Hang up and I will call you back in a few minutes.
【2】hangon别挂电话e.g. Hang on，I will see if he is here.
【3】hangout/around闲逛
e.g. Many fashionable young people go there to shop，or just hang out.
16.stick（n./v.）-stuck（过去式/过去分词）
「1」stick to sth.坚持...
（1）I will stick to my decision.
（2）He promised to help us and he stuck to his word.
「2」stick sth. out of sth.把...从...伸出来e.g. Don’t stick your head out of the window.
【1】v.插入/穿入e.g.Stick the fork into the potato.
【2】v.粘住/粘贴e.g.I stuck the photos into an album.
【3】n.棍/手杖walking stick拐杖
17.burn（v.）-burnt/burned（过去式/过去分词）燃烧/烧伤
【1】burndown烧毁/火势减弱e.g. His house burned down in 1999.
【2】burnoff/up烧掉/烧毁
【3】burnto the ground全部烧毁
pare（v.）-comparison（n.）比较
【1】compare...to...将...比作...
e.g.Teachers are often compared to candles.
【2】compare...with...和...相比较
e.g. You can compare this book with that one，and you will find which one is better.
【3】compared with...与...相比/和...比起来（做状语，放句首）
（1）Compared with my father’s handwriting，mine is poor.
（2）Compared with poems，stories usually have a lot of passages.
19.【1】express（v.）表示/表达/表露express oneself表达某人自己的思想
e.g. I have expressed myself clearly.
【2】expression（n.）表示/表达/表情/词语
an expression of support表示支持
an expression of sadness表情悲伤
e.g. We will learn these words and expressions.（词语）
【3】express（adj.）特快的/快速的/快递的/提供特快服务的
an express train特快列车
an express mail特快邮件
20.spread-spread-spread（v.）
【1】扩展/张开
e.g. The birds spread its wings.
【2】传播（消息）e.g. The news spread through our school very quickly.
21.【1】safe（adj.）安全的（反义词：dangerous危险的）keep safe保持安全
it is（not）safe to do sth.（不）安全去做某事e.g. It is not safe to play soccer in the street.
【2】unsafe（adj.）不安全的/危险的（同义词：dangerous，反义词：safe）
e.g. She lives in an unsafe city.
【3】safely（adv.）安全地e.g. The plane landed safely.
【4】safety（n.）
「1」food safety食品安全
「2」public safety公共安全
「3」safety tips安全提示
22.serious（adj.）严重的/严肃的-seriously（adv.）严肃地
【1】「1」aserious accident一场严重的交通事故
「2」aserious disease一个严重的疾病
「3」aserious teacher一位严肃的老师
【2】be serious about对...是认真的
e.g. We are serious about the problems.
【3】takeab./sth. seriously认真对待...
例题：
Don’t worry，there’s（ C ）.
A. something serious B. serious something
C. nothing serious D. serious nothing
23.【1】strange（adj.）奇怪的/陌生的be strange to对...生疏/陌生
（1）The place is strange to me.
（2）She is strange to the work.
【2】stranger（n.）陌生人/外地人e.g. He is a complete stranger to me.
24.【1】train
「1」n.火车takea train乘火车go...by train乘火车去...get on/off the train下火车
「2」v.训练train horses训练马train hard努力训练
【2】training（n.）训练/培训take the basketball training参加篮球训练
【3】trainer（n.）「1」教练员「2」运动鞋a pair of trainers一双运动鞋
【4】trainee（n.）接受培训者/实习生
【5】trainman（n.）列车员/乘务员
25.put out the fire灭火
26.关于fire的短语：
【1】start a fire生火/引起火灾
【2】make a fire生火/点火
【3】catch fire着火
【4】be on fire失火
【5】play with fire玩火
27.calm（adj.）镇静的
【1】stay/keep calm/cool保持镇静
【2】calm/cool down冷静下来
【3】calm sb. down使某人平静
e.g. He took a few deep breaths to calm himself down.
28.keep an eye out for密切注意/提防/警觉
（1）He kept an eye out for thieves yesterday evening.
（2）I always keep an eye out for falling rocks.
29.bring down
【1】bring sb. down打垮/击败某人e.g.（1）The failure didn’t bring me down.
（2）We are sure to bring Class 21 down in the basketball match.
【2】bring sth. down使...瘫痪/降低/减少
（1）We will bring down the prices on the computers.
（2）Too many calls will bring down the phone system.
30.pull over把车开到路边
（1）Please pull over and stop there.
（2）Let’s pull over our car to pick him up.

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