内容正文:
2024年新沪教牛津版初一上册
Unit 4重点短语和知识
一.重点短语
The solar system太阳系
Black hole黑洞
As far as we know据我们所知
More than超过
On Earth在地球上
On land在地球上
In the world在世上
All over the world全世界
Be home to是...的家园
A grain of rice一粒米饭
Along with和
What’s more并且
Provide sb. With sth.提供某人某物
Provide sth. For sth.提供某人某物
Take care of照顾
Look after照顾
Be full of充满
Be important to对...来说是重要的
Cut down砍倒
Because of因为
Too many太多
The Pacific Ocean太平洋
The Atlantic Ocean大西洋
The Arctic Ocean北冰洋
The Indian Ocean印度洋
Global warming全球变暖
Sea level海平面
Die out灭绝
Plastic pollution塑料污染
Kinds of各种各样的
Get ill生病
Residual waste残余垃圾
Try one’s best to do sth.尽某人最大的努力去做某事
Take part in参与
End up最终处于
Pick up捡起
In the sea海洋里
On the beach沙滩上
Farm chemical农用化学品
Harmful gas有害气体
More and more越来越多
Less and less越来越少
Fewer and fewer越来越少
Each year每一年
Every year每一年
Water pollution水污染
Bring sth. to sb.把...带给...
Turn... into...把...变成
change... into...把...变成
In the north of在...的北部
In the 1800s在19世纪
A group of一群
In the middle of在...的中间
In the centre of在...的中间
Plant trees种树
二.重点句型
1.What do you know about the sea?你对海洋了解多少?
2.What problems is the Earth facing?地球正面临着什么问题?
3.What can we do to protect the Earth?我们可以做些什么来保护地球?
4.It is today the World’s biggest man-made forest.它是当今世界上最大的人造森林。
三.重点知识
1.hundred(百), thousand(千), million(百万), billion(十亿)与具体数字连用时不加s,如:Three hundred, ten billion
与of连用的时候,要用复数,hundreds of, millions of许许多多的
2.形容词和副词的最高级:三者或三者以上做比较
最高级变化规则:(a)直接加est,如:shortest, slowest
(b)以不发音的e 结尾的,直接在后面加st,如:nice-nicest
(c)以一元音加一辅音结尾,双写辅音,加est,如:biggest,
(d)辅音+y结尾的,先把y改为i再加上est,如:heavy-heaviest
(e)多音节词前加most,如:most interesting, most important
注意事项:①最高级前要用定冠词the;但是当有形容词性物主代词时,不用the
如:He is the tallest in his class.他是他们班最高的。
She is my best friend.她是我最好的朋友。
②one of the + 形容词的最高级 + 名词的复数 + 动词的三单
如:One of the most interesting books is Little Women.
3.长宽高深的两种表达方式:①数字+单位+长宽高深(形容词long, wide, high, deep)
如:The river is 100 meters long.这条河100米长。
②数字+单位+in+长宽高深(名词length, width, height, depth)
如:The well is 50 meters in depth.这口井40米深。
4.as...as中间接院级,表“与...一样”
如:This coat is as expensive as that one.这件上衣与那件一样贵。
注意:as long as只要,as soon as一...就
5.land表“陆地,土地”为不可数名词,但构成的island“岛屿”为可数名词
6.现在进行时的构成:be(am/is/are) + 动词ing
用法:表现在正在进行的动作/现阶段正在进行的动作
标志词:look, listen, now等
如:Listen! A bird is singing now.
7.but与however的区别:however要用逗号隔开
8.because和because of的区别:①because后面接句子
②because of后面接短语
9.many和much的区别:many修饰可数名词,much修饰不可数名词
10.too many和too much表“太多”
much too表“太”,后接形容词或者副词
11.dis--为否定前缀,如:like-dislike,appear-disappear
12.代词与副词短语连用的时候,代词要放在副词短语中间,如: pick them up
13.比较级+比较级,越来越...,
如:The city is more and more beautiful.这座城市越来越漂亮了。
The + 比较级,The + 比较级,越...就越...,
如:The more you eat, The fatter you will be.你吃的越多,就会越胖
14.little和a little修饰不可数,few和a few修饰可数
little和few表否定,a little和a few表肯定“一点点”
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