冀教版九年级英语unit3-4单元重要知识点笔记

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 ... ...