外研版（2019）选择性必修第一册Unit 5 Revealing nature Using language 课件（18张PPT)
文档属性
| 名称 | 外研版（2019）选择性必修第一册Unit 5 Revealing nature Using language 课件（18张PPT) |  | |
| 格式 | zip | ||
| 文件大小 | 9.1MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2022-11-28 17:11:16 | ||
图片预览
文档简介
(共18张PPT)
SB1U5 Using language
Past perfect
Activity 1 (P53)
Look at the sentences from the reading passage and answer the questions.
In sentence (a), which action happened first, “suspected” or “evolved from a common ancestor”
In sentence (b), which action happened first, “refused to believe” or “evolved from lower forms of life”
What does the structure had done indicate
“evolved from a common ancestor.”
“evolved from lower forms of life.”
It indicates the action happened before a certain past action.
Activity 1 (P53)
Now look for more sentences with the past perfect tense in the reading passage, and summarise its use in your own words.
It was a young man who had left medical school without completing his degree.
... he had recently received a letter from his father predicting that he would be “a disgrace to yourself and all your family.
After Darwin had spent some time in South America, his room on the ship was crowed with samples of the plants and animals he had collected.
Activity 1 (P53)
At that time, people believed that all species had appeared on Earth at the same time, and had not changed since.
It seemed their beaks had evolved according to what food was available on that particular island.
Over time, it had slowly evolved into many new species.
Activity 2 (P53)
Complete the paragraphs with the information from the given sentences.
began
had led to
developed
chose to
had made
Activity 3 (P53)
Complete the online encyclopaedia entry with the correct form of the words in the box.
1 arrived
2 had lived
3 eaten
4 had introduced
5 competed
6 declined
Compete decline eat
Live introduce arrive
decline v. 减少;衰退 n.减少，下降，衰退
decline to ... 下降到...
decline by ... 下降了...
decline in ... 在...方面衰退/减少
decline to do sth. 拒绝做某事
declare v. 声明，宣告
declare for/ against 声明支持/反对
declaration n. 声明，宣告
blame v. 责怪;指责;把...归咎于 n.过失；责备
blame sb./sth. for sth. 因...而责备某人/事
balme sth. on sb. 把某事怪到某人头上
be to blame (for...) (因为...)应受指责 (不定式主动表被动)
Activity 5 (P54)
Listen to the podcast and choose the statements that are made.
Biodiversity
Biodiversity is important.
Bacteria are always harmful to humans.
Some species of bacteria are used in food production.
Many species of bacteria recycle dead organic matter.
Our immune systems are able to fight off all germs.
harmful adj.有害的
harm v./n.
do harm to sb./sth.=do sb./sth. harm 对...有害
be harmful to sb./sth. 对...有害
There is no harm in (doing) sth. (做)某事没有害处
fight off 抵抗；击退
Activity 6 (P54)
Listen again and complete the fact sheet.
made up of cells
bricks that are used to build houses
thirty trillion
thirty-nine trillion
help with digestion
break down
Activity 7 (P54)
Complete the boxes with the expressions from the podcast.
Do you know about...
Have you heard of...
By the way...
Actually...
In fact, ...
Speaking of which, …
Checking background knowledge
Adding information
Activity 8 (P54)
Read the passage and answer the questions.
What species are mentioned and what is special about them
What other unusual life forms do you know of
Two species are mentioned:the blue whale and the water bear.
The blue whale is the largest animal species on Earth, which can
grow up to almost 30 metres in length and weigh over 130,000 kilos. The water bear is probably the toughest species, which can survive temperatures from 150 C to a below freezing -272 C.
Activity 9 (P55)
Complete the paragraphs with the correct form of the words and expressions in the box.
is home to
are native to
scientific
habitats
ecosystem
appearance
primitive
ancestor
be native to 源于...的；原产于...
be a native of ...的人；生长于...的动物/植物
native adj.本地的；本国的 n.本地人；本国人
There is no evidence that 这里没有证据表明...
(同位语从句)
Activity 10 (P55)
Work in pairs
Look at the pictures of the species native to different regions of China.
Talk about biodiversity in China using the words and expressions in this section.
Do online research to find more information.
Thank you
SB1U5 Using language
Past perfect
Activity 1 (P53)
Look at the sentences from the reading passage and answer the questions.
In sentence (a), which action happened first, “suspected” or “evolved from a common ancestor”
In sentence (b), which action happened first, “refused to believe” or “evolved from lower forms of life”
What does the structure had done indicate
“evolved from a common ancestor.”
“evolved from lower forms of life.”
It indicates the action happened before a certain past action.
Activity 1 (P53)
Now look for more sentences with the past perfect tense in the reading passage, and summarise its use in your own words.
It was a young man who had left medical school without completing his degree.
... he had recently received a letter from his father predicting that he would be “a disgrace to yourself and all your family.
After Darwin had spent some time in South America, his room on the ship was crowed with samples of the plants and animals he had collected.
Activity 1 (P53)
At that time, people believed that all species had appeared on Earth at the same time, and had not changed since.
It seemed their beaks had evolved according to what food was available on that particular island.
Over time, it had slowly evolved into many new species.
Activity 2 (P53)
Complete the paragraphs with the information from the given sentences.
began
had led to
developed
chose to
had made
Activity 3 (P53)
Complete the online encyclopaedia entry with the correct form of the words in the box.
1 arrived
2 had lived
3 eaten
4 had introduced
5 competed
6 declined
Compete decline eat
Live introduce arrive
decline v. 减少;衰退 n.减少，下降，衰退
decline to ... 下降到...
decline by ... 下降了...
decline in ... 在...方面衰退/减少
decline to do sth. 拒绝做某事
declare v. 声明，宣告
declare for/ against 声明支持/反对
declaration n. 声明，宣告
blame v. 责怪;指责;把...归咎于 n.过失；责备
blame sb./sth. for sth. 因...而责备某人/事
balme sth. on sb. 把某事怪到某人头上
be to blame (for...) (因为...)应受指责 (不定式主动表被动)
Activity 5 (P54)
Listen to the podcast and choose the statements that are made.
Biodiversity
Biodiversity is important.
Bacteria are always harmful to humans.
Some species of bacteria are used in food production.
Many species of bacteria recycle dead organic matter.
Our immune systems are able to fight off all germs.
harmful adj.有害的
harm v./n.
do harm to sb./sth.=do sb./sth. harm 对...有害
be harmful to sb./sth. 对...有害
There is no harm in (doing) sth. (做)某事没有害处
fight off 抵抗；击退
Activity 6 (P54)
Listen again and complete the fact sheet.
made up of cells
bricks that are used to build houses
thirty trillion
thirty-nine trillion
help with digestion
break down
Activity 7 (P54)
Complete the boxes with the expressions from the podcast.
Do you know about...
Have you heard of...
By the way...
Actually...
In fact, ...
Speaking of which, …
Checking background knowledge
Adding information
Activity 8 (P54)
Read the passage and answer the questions.
What species are mentioned and what is special about them
What other unusual life forms do you know of
Two species are mentioned:the blue whale and the water bear.
The blue whale is the largest animal species on Earth, which can
grow up to almost 30 metres in length and weigh over 130,000 kilos. The water bear is probably the toughest species, which can survive temperatures from 150 C to a below freezing -272 C.
Activity 9 (P55)
Complete the paragraphs with the correct form of the words and expressions in the box.
is home to
are native to
scientific
habitats
ecosystem
appearance
primitive
ancestor
be native to 源于...的；原产于...
be a native of ...的人；生长于...的动物/植物
native adj.本地的；本国的 n.本地人；本国人
There is no evidence that 这里没有证据表明...
(同位语从句)
Activity 10 (P55)
Work in pairs
Look at the pictures of the species native to different regions of China.
Talk about biodiversity in China using the words and expressions in this section.
Do online research to find more information.
Thank you