《Earth first》SectionB PPT

描述

《Earth first》SectionB PPT

第一部分内容：课前篇自主预习

Ⅰ.知识体系图解

重点词汇

1._________v.致力,献身,倾注

2._________n.海洋,大海

3._________v.使……突出,使注意力集中于

4._________n.残忍,残酷,残暴

5._________n.打猎,狩猎

6._________n.(报告观点的)陈述,说明

7._________n.(野生生物)保护区

8._________n.员工

9._________v.建立,设立

10._________v.破损,损害,损伤

11._________n.旱灾,干旱

12._________n.洪水,水灾

重点短语

1.be devoted to_________

2.be involved in_________

3.most importantly_________

4.as a request for_________

5.instead of_________

重点句式

The less energy you use,the less carbon dioxide is released.

重点语法 现在分词和过去分词作补语

Ⅱ.释义匹配

1.brochure A.to let news or official information be known and printed

2.reduce B.very serious

3.release C.to make something smaller or less in size,amount,or price

4.severe D.a disease in a part of your body that is caused by bacteria or a virus

5.infection E.a small magazine or book containing pictures and information about sth

答案:1.E　2.C　3.A　4.B　5.D

Ⅲ.完成句子

1.Jenny hopes that Mr Smith will suggest a good way to have her written English _________(提高) in a short period.

2.He is very popular among his students as he always tries to make them_________(感兴趣) in his lectures.

3.Don’t leave the water_________(流淌) while you brush your teeth.

4.The speaker raised his voice but still couldn’t make himself_________ (被听到).

5.If anything happens,I will keep you_________ (被通知).

... ... ...

Earth first PPT，第二部分内容：课堂篇学习理解

重点词汇

1.devote v.致力,献身,倾注

【课文原句】Now,she is a model and performance artist devoted to ocean conservation.

现在,她是一位致力于海洋保护的模特和表演艺术家。

【词汇精讲】devote是及物动词,意为“致力,献身,倾注”。

Chopin is a master who devotes all his life to writing piano music.

肖邦是一位将毕生心血全部奉献于钢琴作品创作的大师。

Mr Brown devotes most of his spare time to playing with children.

布朗先生把大部分的空闲时间用来和孩子们一起玩。

2.establish v.建立

【课文原句】Well,SNNR was established in 2000 and is the highest and second largest nature reserve in China.

三江源自然保护区始建于2000年,是我国海拔最高的第二大自然保护区。

【词汇精讲】establish是及物动词,意为“建立,制定,确立”。

Our goal is to establish a new research centre in the North.

我们的目标是在北方建立一个新的研究中心。

This city was established by German settlers in the 1840s.

这座城市是德国殖民者在19世纪40年代建立的。

The school has established a successful relationship with the local community.

这所学校与当地社区建立了良好的关系。

【词汇拓展】

establishment n.建立

established adj.已确立的

3.damage v.破损,损害,损伤

【课文原句】In recent years,we have seen large areas of wetland that were damaged by human activity.

近年来,我们看到人类活动破坏了大片湿地。

【词汇精讲】句中的damage 是及物动词,意为“破损,损害”,damage也可作名词,意为“损害,损失”。

Their houses were damaged by the fire.

他们的房子在火灾中被毁坏了。

If we have advance warning,we’ll be able to reduce the damage.

如果我们预先得到警告的话,我们就可以减少损失。

There is no denying that our earth is suffering severe damage.

不可否认,我们的地球正遭受着严重的破坏。

重点句式

The less energy you use,the less carbon dioxide is released.

你使用的能量越少,二氧化碳的释放就越少。

【句式剖析】

“The+比较级...,the+比较级...”意为“越……就越……”,第一个“The+比较级”是表示条件的状语从句(在表示将来意义时,从句用一般现在时表示将来);第二个“the+比较级”是主句。

The more you speak English,the better your English will become.

你说英语越多,你的英语水平就会越高。

The more a person reads,the wiser (wise) he will become.

一个人书读得越多就会变得越明智。

The more careful you are,the fewer mistakes you will make.

你越小心,你犯的错就会越少。

The faster,the better.越快越好。

【句式拓展】(1)“比较级+and+比较级”或“more and more+原级”表示“越来越……”。

Holiday flight tickets are getting less and less expensive.

假期的机票越来越便宜了。

(2)“the+比较级+of (the)+名词/代词”,表示“(两者中)较……的”。

Of the two cameras,I would prefer the smaller one,which is very easy for me to carry.

这两个照相机,我喜欢较小的一个,它容易携带。

重点语法

现在分词和过去分词作宾语补足语

1.现在分词作宾语补足语和宾语之间存在逻辑上的主谓关系,强调动作在进行。常用在catch,feel,find,have,hear,keep,set,observe,see,watch等动词后。

The next thing he saw was smoke rising from behind the house.

接下来他看到的是烟雾从房子的后面冒出来。

The man was fired because he had been found smoking in the kitchen.

那个人被解雇了,因为他被发现在厨房里吸烟。

2.及物动词的过去分词作宾语补足语与宾语有逻辑上的被动关系,表示被动意义或已完成意义,有时候两者兼而有之。不及物动词用作宾语补足语时,与宾语没有逻辑上的动宾关系,只表示动作的完成或状态。

When I opened the door,I found the ground covered with snow.

当我打开门时,我发现地面被雪覆盖着。

We must take measures to keep nature balanced.

我们必须采取措施保持生态平衡。

They found all the guests gone when they woke up.

当他们醒来时,发现所有的客人都走了。

When I came in,I saw a strange girl seated in the corner.

我进来时看到一个陌生的女孩坐在角落里。

Mother had the boy stand outside the room.

妈妈让孩子站在门外。

They had the fire burning all night.

他们整夜都让火燃烧着。

The boy had his arm injured when he fell off the tree.

小男孩从树上掉下来时摔伤了胳膊。

随堂练习

Ⅰ.单句填空

1.It is a new magazine __________(devote) to helping parents develop children’s love of learning.

答案:devoted

2.The city of Rome has passed a new law to prevent__________(cruel) to animals.

答案:cruelty

3.The palace,which__________(damage) by bombs in World War Ⅱ,still stood.

答案:was damaged

4.The farmer and his neighbours decided__________(establish) a cooperative farm.

答案:to establish

5.My old teacher would often go__________(hunt) when he lived in the mountain areas.

答案:hunting

Ⅱ.完成句子

1.布朗先生回来后发现墙被刷成了白色。

Mr Brown saw the walls__________white when he came back.

答案:painted

2.他被解雇,因为经理发现他在车间睡觉。

He was fired because the manager found him__________in the workshop.

答案:sleeping

3.他的车出毛病了,他需要找人修理一下。

There is something wrong with his car and he must have it__________.

答案:repaired

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更新时间: 2024-10-04

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