人教版 (2019)必修 第二册Unit 2 Wildlife protection评课ppt课件

阅读P20中的材料，选出最佳选项

1．What's the poster on the left mainly about?

A．The protection of ugly animals.

B．The protection of good animals.

C．The protection of bad animals.

D．The protection of cute animals.

2．What's the poster on the right mainly about?

A．Cutting down trees.

B．Destroying animals' homes.

C．The habitat of animals.

D．The less paper，the better.

3．What can we learn about dolphins in the poster on the left?

A．They are ugly animals.

B．They are bad animals.

C．They are cute animals.

D．They are dangerous animals.

4．What is the writer's opinion about wildlife protection according to the poster on the left?

A．The good animals are more important than the bad ones.

B．The ugly animals are more important than the bad ones.

C．The ugly animals can make our planet more beautiful.

D．All kinds of animals should be equally protected.

5．Why should we use less paper according to the poster on the right?

A．To plant trees for animals.

B．To protect the habitat of animals.

C．To make animals homeless.

D．To make friends with koalas.

[答案]　1－5　ADCDB

Words and Phrases

知识要点1　(教材P18)It is reported that living spaces for wildlife are being reduced due to the cutting of trees.

据报道，由于砍伐树木，野生动物的生存空间正在减少。

(1)reduce vt.减少；缩小；使沦为，使陷入；节食

[例1]　These glowing plants might help reduce energy consumption.

这些发光植物可能有助于减少能源消耗。

[例2]　It was foggy so the driver had to reduce speed to forty kilometres an hour.

由于大雾，司机不得不把速度减到每小时40千米。

[名师点津]　表示“减少，下降”的词语还有：drop，fall，lessen，decrease，cut down，bring down。

[即学即练]　单句语法填空/同义句改写

①They reduced the expenses by 60 percent.

②The temperature has been reduced from 40 degrees to 28 degrees.

③She is reduced to stealing(steal) to feed her hungry family.

④There has been some reduction(reduce) in unemployment.

⑤The price has been reduced by 20% since May.

→The price has dropped/fallen by 20% since May.

⑥I'm reducing now.

→I'm on a diet now.

(2)due adj.由于；因为；预期；预定；预计；应支付；应给予；应归于

[例1]　Her success was due to her hard work.

她成功是因为她努力工作。

[例2]　She is due to make a speech on the economy next week.

她预期在下周做一个关于经济的演讲。

[即学即练]　写出due的含义

①Rose is due to start school in January.预定的

②Payment is due on 1st October.到期的

③Have they been paid the money that is due to them？应支付的

④After due consideration，we have decided to appoint Mr.Davis to the job.适当的

知识要点2　search for搜索；查找

(教材P19)They got up early ________ search for wild birds.

他们早起……寻找野生鸟类。

[例1]　The rescue workers were working hard to search for those survivors.

救援工作者们正努力寻找那些幸存者。

[例2]　As they entered the forest，they began to search for a suitable camping spot.

当他们进入森林时，就开始寻找合适的露营地点。

[名师点津]　

 in search of 后接寻找的对象或目标，其中search前不加限定词。search for表示搜查某一对象的目的是要找什么。search...for...指“为寻找……而搜查”。

[即学即练]　单句语法填空

①He searched the lost pen for the boy.

②A team of hunters were sent in search of the strange creature.

③Scientists are still searching for a clue to the cold.

[小片段填空]

Tom hurried into the room as if in search of something important.He searched the drawer for John's telephone number.And then he began to search for his address again.

汤姆匆匆进入房间，好像在寻找重要的东西。他搜查抽屉以寻找约翰的电话号码，然后他又开始寻找他的地址。

Sentence Pattern

重点句式　so that“为了，以便”，引导目的状语从句

(教材P20)Is it right to make animals homeless so that humans can have more paper?

让动物无家可归，以便让人类有更多的纸，这样做对吗？

[句式分析]

[例1]　We turned on the light so that we might see what it was.

我们把灯打开，以便看看它是什么。

[例2]　Speak clearly so that/in order that they may understand you.

讲清楚些，以便他们能理解你。

[即学即练]

写出so that从句所作的成分/一句多译

①We turned up the radio so that everyone could hear it.

目的状语

②They worked very hard，so that they finished the work before supper.

结果状语

③他提高了嗓门，以便大家都能听到。

He raised his voice so that/in order that he could make himself heard．

→He raised his voice so as to/in order to make himself heard．

→He raised his voice to make himself heard．

分辨字面意义和隐含意义

字面意义指词的确切的、字面的意义；隐含意义指词的隐含的引申的意义。隐含意义包括词的感情意义、搭配意义、文体意义和不同的风格等，学生在做词义猜测题时，要注意联系画线单词的字面意义和隐含意义。

[例题分析]

★The underlined word“Fragile” in this paragraph probably means “________”．

A．easily broken　　 B．easily found

C．expensive D．heavy

A　[词义猜测题。根据画线词后所给的例子“like those made of glass”及段末的“pieces”可知，画线词指“易碎的”，即easily broken。]

[即学即练]

快速确定下面词义猜测题的答案

Kids actually wash their hands for the proper amount of time because they're drawing on their hands.To obliterate the drawing，they actually wash their hands instead of just going under water and，you know，a one­second wash and off.

★What does “obliterate”underlined in this paragraph mean?

A．Show.　　　　　 B．Reserve.

C．Learn. D．Remove.

D　[词义猜测题。根据上下文意思，孩子们需要花足够的时间去洗手才能洗掉手上的图案，由画线词后的内容可知，为了消除手上的痕迹，孩子们不再只是匆匆洗手了。由此可知，画线词与remove意思相近，故选D。]