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人教版九年级英语各单元知识点归纳
Unit 1 How can we become good learners？
Section A
1、ask相关短语
ask sb. for sth. 向某人要某物
ask sb. about sth 向某人询问某事
ask sb.(not) to do sth 要求某人（不）要做某事
be askd (not) to do sth. 被要求（不）做某事
2、aloud
adv.大声地；出声地
辨析：aloud：adv.；出声地，大声地
loud：用于loud enough, as loud as 等短语中或与too, very, so连用
loudly：loud 的常用副词；含有令人讨厌或打扰别人的意思Mrs. Li reads aloud while we speak loudly, so he has to read loud enough to make herself heard.
3、practice
●v.练习
●后+n./pron./V.ing等
●作不可数名词：练习
eg：Students get lots of practice in the English club.
4、patient
adj.有耐心的n.病人
patiently：adv. 修饰动词
patience：n. 耐心
短语：in patience 耐心地
5、It takes sb. some time to do sth.某人花费时间做某事
=Sb. spends some time doing sth.
It took me three years to finish the work. = I spent three years finishing the work.
6、the ＋比较级（+主语+ 谓语），the ＋比较级（+ 主语+ 谓语）：越……，越……
eg：The more you eat, the heavier you will be.
7、find it + adj.+ to do sth.发现做某事……
eg: I find it very interesting to learn English.
8、secret：n.秘密；秘诀
eg：Neither of them knows the secret.
adj.秘密的；保密的
eg：We discovered a secret passage behind the wall.
短语keep the secret =keep sth. to oneself 保守秘密
the secret to/of ...：……的秘诀/ 秘密
keep sth secret 对某事保密
9、expression：n.表情；表示
express：v.及物动词；表达；表露
express...to sb.：向某人表达……
eg: I find it difficult to express my meaning to the old Frenchman.
10、辨析
invent：发明(从无到有的东西)
discover：发现(本来就已经存在，但不为人知的事物)
find：找到或发现
11、look up：查阅；抬头看
宾语的位置：名词可前可后
eg: Look up the word in the book, and you will know its meaning.
look+pron.+ up
eg: Please look them up in the dictionary carefully.
look up to：仰慕
eg: Many young people look up to Yao Ming as their hero.
look短语
look down on sb. 小瞧某人
look for 寻找
look out 小心
look around 环顾四周
look over 仔细检查
12、by
后加名词、代词或动词-ing形式
by＋地点名词，表方位
在……旁边eg：We live by the sea.
by＋时间名词，到……时为止(已发生某事)；最晚、不迟于……
谓语可用完成时eg：I must be in bed by ten o’clock.
by＋交通工具、交通方式，通过……，由……，乘……
eg：by train / taxi / bike/ boat / sea / water
辨析
by：乘某种交通工具
I go to school by bike.
in：后+某种材料、衣服、颜色或语言
Now she begins to paint in oils.
with：后+身体器官或某种工具
He often writes with his left hand.
表示具有，拥有，戴
Who’s that man with sunglasses？
Section B
1、increase
v.增加；增长
短语
increase to 增加到……
eg：The population in this city will increase to 1,000,000.
increase by...
增加了……
eg：The price of the vegetables increased by 10%.
increase n.增加；增大
eg：The increase in population caused a shortage of food.
2、speed
n.速度
短语
at a/the speed of 以……的速度
at high/low/full speed
以高速/ 低速/ 全速
speed up 加速
