牛津译林版（2020）必修第三册Unit 1 Nature in the balance Reading 知识点课件(17张PPT)

(共17张PPT)
alive adj. “活着的;有活力的”，可作表语、后置定语或补语。
教材原句：a huge sea of green alive with the sounds of animals. 这是一片绿色的海洋，处处可闻各种动物的声音. (Line 1)
(be)alive with 充满，到处都是(活的或动的东西)
living adj.“活着的”，与 alive同义，可作表语或前置定语。
live adj. “活的”，一般不指人，通常作前置定语;还可指“现场直播的”。
lively adj.“充满活力的，生动有趣的”,可指人或物，作前置定语或表语。
单句语法填空
1. The enemy officer was caught _________.
2. The ________ are more important to us than the dead.
3. Last night there were millions of people watching the opening ceremony _________ on TV.
4. Young children are usually ___________.
alive
living
live
lively
02
倍数的表达方式：
教材原句：With an area of around 6 million square kilometers, the Amazon rainforest is more than half the size of China. （Line 6）
亚马逊雨林的面积约为600万平方千米，比中国的国土面积的一半还要大。
A+be+倍数+the+名词（size/length/width/height）+of+B.
A+be+(n-1)倍数+比较级+than B.
A+be+倍数+as+形容词原级+as+B.
A+be+倍数+what从句.
请改写所给的句子。
The size of the newly broadened library is three times what
the previous one was.
1.The newly broadened library is _________________ the previous one.
2. The newly broadened library is ________ _________ the previous one.
3. The newly broadened library is the previous one.
twice larger than
three times as large as
three times the size of
03
variety n. 不同种类 [U]变化，多样性 [C] 变种，变体
教材原句： The forest's different levels support an unbelievable variety of wildlife. 雨林的不同层次养活的野生动物种类多到难以置信。（Line 15）
a (wide/great/large)variety of =various = all kinds/ sorts of各种各样的
a variety of+n复 各种各样的
the variety of+n复 …的品种
various adj.各种各样的
vary vi. 变化；改变；相异
vary in 在…方面不同
vary from…to… 从…到…之间 变化/不等
【语境应用】翻译句子。
With the development of economy, there are goods in stores,
daily groceries luxury goods (奢侈品), which greatly enrich people’s life. In addition, the goods with the season in and quantity.
随着经济的发展，商店里的商品种类繁多，从日常用品到奢侈品不等，大大丰富了人们的生活。此外，货物的种类和数量也随季节而变化。
various
varing from
to
vary
variety
04
教材原句： Above that is the mass of leaf litter on the dark forest floor.
在它的上面是黑暗森林地面上的大量落叶。（Line 16）
介词短语above that放句首，句子用完全倒装。在这类倒装结构中，要注意其中的谓语应与其后的主语保持一致。
完成句子
1. his friend Jim.
他的朋友吉姆就在这些人当中。
2. with a magazine in his hand.
窗户边坐着一个年轻人，手里拿着一本杂志。
Among these people was
By the window sat a young man
05
survive 用作不及物动词(vi)，意为“生存，存活，继续存在”。
教材原句： While a significant number of jaguars survive here, they are only one element of this forest’s food chain. 尽管这里生存着数量可观的美洲豹，但它们仅仅是雨林食物链上的一环。（Line 23）
survive on sth. 靠......维持生活
survive from sth. 从......留存下来
survive用作及物动词 vt.幸存；艰难渡过；
survive sb. by +时间 比…活（存在）的时间长
survivor n. 幸存者
survival n.幸存[U];残余物；幸存物[C]
单句语法填空
1.Baptiste is biking across Europe, (survive) entirely on
discarded (丢弃的) food.
2.The California condors’ average (survive) time in the wild
is now just under eight years.
3.Three days later,he and other (survive) were safe in Glasgow.
4. Some traditions earlier times.
surviving
survival
survivors
have survived from
06
break down 分解，发生故障
教材原句： When a jaguar dies, a tiny army of microorganisms helps break down its body and return the nutrients to the earth. 美洲豹死后，一小支微生物军队会助力其尸体的分解，让营养素重回土壤之中。（Line 28）
break through 突破
break away (from...) 逃脱；脱离
break in 打断，插嘴；强行闯入
break into 闯入，破门而入
break out (战争、火灾等)突然发生，爆发
break up 打碎；(关系)破裂；(会议等)结束
break off 突然停止，暂停
用合适的短语填空。
1.When the news came that the war , he decided to serve in the army.
2.He had to pause from time to time to wipe the sweat from his forehead, because the air conditioning system .
3.The boy suddenly , his talk with his classmate at the sight of the teacher.
4.There is a call to huge digital companies because they have controlled the data market.
5.Cinderella from the prince to rush back home each night.
6. The thieves the office and stole some money.
7.Scientists hope to soon in their fight against heart disease.
broke out
broke down
broke off
break up
broke away
broke into
break through
07
breathe life into 给......带来起色，注入活力
教材原句：The Amazon rainforest breathes life into the planet by fixing carbon and producing over 20 percent of all the Earth’s oxygen.
亚马孙雨林通过固定碳 ，并生成占全球总量20%以上的氧气，来为地球注入活力。（Line 30）
breathe v. 呼吸
breathe in 吸入
breathe out 呼出
breath n. 呼吸
take a deep breath 深呼吸
out of breath 闯不过气
单句语法填空
1. Still, most of us volunteers (breath) a sigh of relief when the season comes to a close.
2. The company needs new, young employees to the important
project. 这家公司需要新的年轻的员工给这个重要的项目注入活力
3.The ability to talk is an ability to communicate information to others by varying sounds we make as we .
说话的能力就是通过我们呼气时发出不同的声音
4.We would on our way to work, instead of complaining about heavy traffic.
我们会深吸一口气，而不是抱怨繁忙的交通。
breathe
breathe new life into
breathe out
take a deep breath
08
be used for sth. /doing sth. 被用来做......
教材原句：Moreover，the Amazon rainforest is a treasure house of species that can be used for food or medicine. 此外，亚马逊雨林还是食用物种和药用物种的宝库。（Line 33）
be used to do sth. 被用来做......
be used to doing sth. 习惯于做......
used to do sth. 过去常常做......
用合适的短语填空。
I play basketball after school.
They working hard.
Plastic make bags.
used to
are used to
is used to