资源简介

(共35张PPT)
Period 6　
Unit 5　A delicate world
主题语境
人与自然—— 自然环境保护
地点介绍类的演讲稿是一种常见的应用文。写作时注意要突出重点、详略得当。文章不一定要面面俱到，但一定要重点描写该地点的特别之处，突出其特色(如其独特的自然风景、历史文化、地貌特征、风土人情、传说故事、民族习俗或名胜古迹等)，这样才能给读者留下深刻的印象。
如何写地点介绍类演讲稿
课时学案 写作(Writing)
在语言特点上要注意：第一、时态多为一般现在时；第二、要准确运用方位词，恰当使用过渡词；第三、表达要简洁，内容要尊重客观事实。
一、基本框架
开头：整体介绍其地理位置或人文环境；
主体：具体介绍其独特的历史价值或突出的人文特色等；
结尾：总结概括以吸引读者前往。
二、常用表达
(一)开头部分常用表达
1．Good morning/afternoon/evening，everyone．
2．I'm glad/honoured to be here to give a lecture about...
3．It's my great pleasure to give a lecture here on behalf of...
4．Thanks for giving me the chance to talk about...
5．The topic of my speech is...
(二)主体部分常用表达
1．It is located/situated...with an area of...
2．It has a long history of...years．
3．It is a(n)...place/country with...history．
4．It dates back to/dates from...
5．It is in the center of/to the left/to the right/at the foot of/on the top of...
6．It is universally accepted that...The reason why...is that...
7．It is a famous...with a history of...
8．It covers an area of...square kilometers．
9．Is it...that... Or is it the...that...
10．It contains a(n)...environment that...
11．It is also one of the rare locations in the world where...
12．One example is that...Another one is that...
13．According to official statistics...，which represents...percent of...
14．The most impressive aspect of...is...
15．It is well known for its world-renowned places of interest．
16．The city，known as...，attracts millions of visitors from all over the world．
(三)结尾部分常用表达
1．Thanks for your listening/attention．Does anyone have any questions
2．You are welcome to pay a visit to...
3．I think you will have a great time in...
4．...is a must when you are visiting...
假设你是星光中学的李华，将参加主题为“Why was the Great Wall selected for inclusion in the UNESCO World Heritage List？”的英语演讲比赛。请撰写一份发言稿向大家介绍长城，主要内容包括：
1．长城在1987年被联合国教科文组织列为世界遗产；
2．长城的地理位置以及修建长城的目的；
3．对长城的评价。
注意：发言稿的开头和结尾已给出，不计入总词数。
Good morning，everyone！I am Li Hua from Xingguang Middle School．The topic of my speech is “Why was the Great Wall selected for inclusion in the UNESCO World Heritage List？”_______________
___________________________________________________________
___________________________________________________________
___________________________________________________________
Thank you for listening．
[审题构思]
1．确定体裁：演讲稿；
2．确定人称：第三人称为主；
3．确定时态：一般过去时、一般现在时；
4．确定内容：
①打招呼，作简单的自我介绍，提出主题；
②长城被联合国教科文组织列为世界遗产的主要原因；
③长城的其他信息；
④总结发言；
⑤表达感谢。
[遣词造句]
1．据说，它被纳入的主要原因是它是中国文化的一个重要组成部分，与这片土地融为一体。
People say that the main reason _______________ is that it was a great part of Chinese culture and beautifully made ________________．
2．长城位于中国的北部，大约有6 700公里长。
The Great Wall __________________________________，and is about 6，700 kilometers long．
for its inclusion
to go with the land
is located in the northern part of China
3．长城是中国古代劳动人民创造的奇迹。
The Great Wall ___________________________ the ancient Chinese working people．
4．它是人类历史上最伟大的工程之一。
It is one of the greatest projects __________________________．
is a wonder that was created by
in the history of human beings
[句式升级]
1．用it作形式主语升级句1
______________________________________________________________________________________________________________________
2．用“名词＋of which”引导的定语从句升级句2
______________________________________________________________________________________________________________________
It's said that the main reason for its inclusion is that it was a great part of Chinese culture and beautifully made to go with the land．
The Great Wall is located in the northern part of China，the length of which is about 6，700 kilometers．
3．用not only...but also...合并句3和句4
_________________________________________________________________________________________________________________________________________________________________________________
Not only is the Great Wall a wonder that was created by the ancient Chinese working people but also is one of the greatest projects in the history of human beings．
[连句成篇](注意使用适当的衔接过渡词语)
Good morning，everyone！I am Li Hua from Xingguang Middle School．The topic of my speech is “Why was the Great Wall selected for inclusion in the UNESCO World Heritage List？”_______________
______________________________________________________________________________________________________________________
Thank you for listening．
[参考范文]
Good morning，everyone！I am Li Hua from Xingguang Middle School．The topic of my speech is “Why was the Great Wall selected for inclusion in the UNESCO World Heritage List？”
As we know，the Great Wall was listed as a World Heritage Site by UNESCO in 1987．It's said that the main reason for its inclusion is that it was a great part of Chinese culture and beautifully made to go with the land．
The Great Wall is located in the northern part of China，the length of which is about 6，700 kilometers．The Great Wall was originally built in the Qin Dynasty to defend against the attack of the enemies．Not only is the Great Wall a wonder that was created by the ancient Chinese working people but also is one of the greatest projects in the history of human beings．
In a word，all of this explains why the Great Wall earned—and deserves—its place on the UNESCO World Heritage List．
Thank you for listening．
[词块积累]
1．wave one's arms 挥动某人的双臂
2．fold one's arms 某人双臂交叉
3．take one's arm 挽住某人的胳膊
4．catch/grab one's arm 抓住某人的胳膊
动作描写——肢体动作
5．pull sb．into one's arms 拉某人进怀
6．shaky/trembling legs 颤抖的双腿
7．tired legs 疲惫的双腿
8．cross one's legs 盘腿
9．drag one's heavy legs 拖着沉重的双腿
10．with one's legs wide apart双腿叉开
[佳句积累]
1．They walked home arm in arm．
他们手挽手走回家。
2．They are sure to welcome you with open arms．
他们一定会张开双臂欢迎你的。
3．She folded her arms and stared at him．
她交叉着双臂凝视着他。
4．She moved closer to her father and took his arm．
她走近父亲，挽起他的胳膊。
5．He ran up to her and put/threw/his arms around her．
他跑到她跟前，张开双臂搂住了她。
6．I moved the chair away from the table so I could cross my legs．
我把椅子从桌子旁边移开，这样我就可以把我的腿盘起来。
7．He struggled to run towards the finishing line，with his mouth dry and his legs trembling．
他继续挣扎着向终点跑去，他嘴巴干涩，双腿发抖。
8．He fell over，flat on his back with his legs wide apart．
他摔倒了，背部着地，双腿叉开。
9．With a sinking heart，he dragged his heavy legs back home，tired out．
他垂头丧气，拖着两条沉重的腿，疲惫不堪地回到了家。
10．He returned home，crossed his legs and rested his chin on one fist，lost in deep thought．
他回到家中，盘着腿，用拳头支着下巴，陷入了沉思。
阅读下面材料，根据其内容和所给段落开头语续写两段，使之构成一篇完整的短文。
As a senior editor in a famous press，I always think of days twenty years before when I was 18，I lived with my grandparents，and my parents earned their living in another city，struggling to support our family．I had taken to delivering newspapers to support myself and my education．
I would be up every day by 5 am and walk five kilometres from where I lived to the newspaper office．By 6 am，I would collect 50 copies which must have weighed over five kilograms．My delivery range spanned (横跨) three kilometres．After distributing the copies，I would rush home—another three kilometres away—cook my breakfast，and be off to my school．
One Friday morning，I got home after my deliveries，finding Afzal，a boy from the neighbourhood，at my doorstep．Afzal said his mother wanted to see me．When I asked him why，Afzal said，“She will tell you．” Tired after walking around for over 11 kilometres，I was looking forward to breakfast and some rest．I assumed his mother wished to subscribe (定期订购) to the newspaper，so I followed him to his home nearby．
A woman in her 40s opened the door．I later learned she was Afzal's mother，Mrs Kader．She asked me to sit，pulled up her chair next to mine and gently asked，“Tell me about your routine，right from the time you wake up in the morning．” I wasn't quite sure why she wanted to know，but I told her about my morning job in a few words．She asked me，“How many kilometres do you walk every day？” I replied，“A little more than 11 kilometres．” My reply shocked her．
Then she patted my back and went inside，reappearing carrying a large plate full of food for breakfast for me．It was a hearty breakfast，one that brought back memories of happy days spent with my parents．Later，as I was about to leave after thanking them，Mrs Kader asked me to wait and she went inside again．
注意：1．续写词数应为150左右；
2．请按如下格式作答。
Then Mrs Kader appeared again，with a new bicycle．__________
___________________________________________________________
___________________________________________________________
I bowed to Mrs Kader gratefully and left for school．____________
___________________________________________________________
___________________________________________________________
[参考范文]
Then Mrs Kader appeared again，with a new bicycle．_It was a brand-new black bicycle which I had been looking forward to owning someday．“This is for those who are in need．Therefore，it's for you！” she said with a smile，explaining that she was impressed by my spirit of struggling for life whenever she saw my rushing figure．Mrs Kader put her arms around me，gave me a gentle hug and said，“My boy，you deserve it．” Hearing that，I was shocked and more than appreciative for her generosity and kindness．I didn't even realize that tears had welled up in my eyes．
I bowed to Mrs Kader gratefully and left for school．This time I did not have to walk or run in a rush every day—I had the bicycle，which really made my life much easier afterwards．With the incredible bicycle，I could deliver my papers more effectively，thus having more time left for my studies．Even after many years，I still kept this bike in good condition．It witnessed my journey to my new life，and more significantly，it reminded me of a kind-hearted gesture from a stranger．
课时分层作业(十五)
点击页面进入…
（WORD版）
巩固课堂所学 · 激发学习思维
夯实基础知识 · 熟悉命题方式
自我检测提能 · 及时矫正不足
本节课掌握了哪些考点？
本节课还有什么疑问点？
课后训练
学习反思
课时小结
THANKSPeriod 6　 写作(Writing)
如何写地点介绍类演讲稿
地点介绍类的演讲稿是一种常见的应用文。写作时注意要突出重点、详略得当。文章不一定要面面俱到，但一定要重点描写该地点的特别之处，突出其特色(如其独特的自然风景、历史文化、地貌特征、风土人情、传说故事、民族习俗或名胜古迹等)，这样才能给读者留下深刻的印象。
在语言特点上要注意：第一、时态多为一般现在时；第二、要准确运用方位词，恰当使用过渡词；第三、表达要简洁，内容要尊重客观事实。
一、基本框架
开头：整体介绍其地理位置或人文环境；
主体：具体介绍其独特的历史价值或突出的人文特色等；
结尾：总结概括以吸引读者前往。
二、常用表达
(一)开头部分常用表达
1．Good morning/afternoon/evening，everyone．
2．I'm glad/honoured to be here to give a lecture about．．．
3．It's my great pleasure to give a lecture here on behalf of．．．
4．Thanks for giving me the chance to talk about．．．
5．The topic of my speech is．．．
(二)主体部分常用表达
1．It is located/situated．．．with an area of．．．
2．It has a long history of．．．years．
3．It is a(n)．．．place/country with．．．history．
4．It dates back to/dates from．．．
5．It is in the center of/to the left/to the right/at the foot of/on the top of．．．
6．It is universally accepted that．．． The reason why．．．is that．．．
7．It is a famous．．．with a history of．．．
8．It covers an area of．．．square kilometers．
9．Is it．．．that．．． Or is it the．．．that．．．
10．It contains a(n)．．．environment that．．．
11．It is also one of the rare locations in the world where．．．
12．One example is that．．．Another one is that．．．
13．According to official statistics．．．，which represents．．． percent of．．．
14．The most impressive aspect of．．．is．．．
15．It is well known for its world renowned places of interest．
16．The city，known as．．．，attracts millions of visitors from all over the world．
(三)结尾部分常用表达
1．Thanks for your listening/attention． Does anyone have any questions
2．You are welcome to pay a visit to．．．
3．I think you will have a great time in．．．
4．．．．is a must when you are visiting．．．
假设你是星光中学的李华，将参加主题为“Why was the Great Wall selected for inclusion in the UNESCO World Heritage List？”的英语演讲比赛。请撰写一份发言稿向大家介绍长城，主要内容包括：
1．长城在1987年被联合国教科文组织列为世界遗产；
2．长城的地理位置以及修建长城的目的；
3．对长城的评价。
注意：发言稿的开头和结尾已给出，不计入总词数。
Good morning，everyone！I am Li Hua from Xingguang Middle School．The topic of my speech is “Why was the Great Wall selected for inclusion in the UNESCO World Heritage List？”________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
Thank you for listening．
[审题构思]
1．确定体裁：演讲稿；
2．确定人称：第三人称为主；
3．确定时态：一般过去时、一般现在时；
4．确定内容：
①打招呼，作简单的自我介绍，提出主题；
②长城被联合国教科文组织列为世界遗产的主要原因；
③长城的其他信息；
④总结发言；
⑤表达感谢。
[遣词造句]
1．据说，它被纳入的主要原因是它是中国文化的一个重要组成部分，与这片土地融为一体。
People say that the main reason___________is that it was a great part of Chinese culture and beautifully made________________．
2．长城位于中国的北部，大约有6 700公里长。
The Great Wall_____________________，and is about 6，700 kilometers long．
3．长城是中国古代劳动人民创造的奇迹。
The Great Wall________________________the ancient Chinese working people．
4．它是人类历史上最伟大的工程之一。
It is one of the greatest projects______________________ ．
[句式升级]
1．用it作形式主语升级句1
____________________________________________________________________
____________________________________________________________________
2．用“名词＋of which”引导的定语从句升级句2
____________________________________________________________________
____________________________________________________________________
3．用not only．．．but also．．．合并句3和句4
____________________________________________________________________
____________________________________________________________________
[连句成篇](注意使用适当的衔接过渡词语)
Good morning，everyone！I am Li Hua from Xingguang Middle School．The topic of my speech is “Why was the Great Wall selected for inclusion in the UNESCO World Heritage List？”________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
Thank you for listening．
动作描写——肢体动作
[词块积累]
1．wave one's arms 挥动某人的双臂
2．fold one's arms 某人双臂交叉
3．take one's arm 挽住某人的胳膊
4．catch/grab one's arm 抓住某人的胳膊
5．pull sb．into one's arms 拉某人进怀
6．shaky/trembling legs 颤抖的双腿
7．tired legs 疲惫的双腿
8．cross one's legs 盘腿
9．drag one's heavy legs 拖着沉重的双腿
10．with one's legs wide apart双腿叉开
[佳句积累]
1．They walked home arm in arm．
他们手挽手走回家。
2．They are sure to welcome you with open arms．
他们一定会张开双臂欢迎你的。
3．She folded her arms and stared at him．
她交叉着双臂凝视着他。
4．She moved closer to her father and took his arm．
她走近父亲，挽起他的胳膊。
5．He ran up to her and put/threw/his arms around her．
他跑到她跟前，张开双臂搂住了她。
6．I moved the chair away from the table so I could cross my legs．
我把椅子从桌子旁边移开，这样我就可以把我的腿盘起来。
7．He struggled to run towards the finishing line，with his mouth dry and his legs trembling．
他继续挣扎着向终点跑去，他嘴巴干涩，双腿发抖。
8．He fell over，flat on his back with his legs wide apart．
他摔倒了，背部着地，双腿叉开。
9．With a sinking heart，he dragged his heavy legs back home，tired out．
他垂头丧气，拖着两条沉重的腿，疲惫不堪地回到了家。
10．He returned home，crossed his legs and rested his chin on one fist，lost in deep thought．
他回到家中，盘着腿，用拳头支着下巴，陷入了沉思。
阅读下面材料，根据其内容和所给段落开头语续写两段，使之构成一篇完整的短文。
As a senior editor in a famous press，I always think of days twenty years before when I was 18，I lived with my grandparents，and my parents earned their living in another city，struggling to support our family．I had taken to delivering newspapers to support myself and my education．
I would be up every day by 5 am and walk five kilometres from where I lived to the newspaper office．By 6 am，I would collect 50 copies which must have weighed over five kilograms．My delivery range spanned (横跨) three kilometres．After distributing the copies，I would rush home—another three kilometres away—cook my breakfast，and be off to my school．
One Friday morning，I got home after my deliveries，finding Afzal，a boy from the neighbourhood，at my doorstep．Afzal said his mother wanted to see me．When I asked him why，Afzal said，“She will tell you．” Tired after walking around for over 11 kilometres，I was looking forward to breakfast and some rest．I assumed his mother wished to subscribe (定期订购) to the newspaper，so I followed him to his home nearby．
A woman in her 40s opened the door．I later learned she was Afzal's mother，Mrs Kader．She asked me to sit，pulled up her chair next to mine and gently asked，“Tell me about your routine，right from the time you wake up in the morning．” I wasn't quite sure why she wanted to know，but I told her about my morning job in a few words．She asked me，“How many kilometres do you walk every day？” I replied，“A little more than 11 kilometres．” My reply shocked her．
Then she patted my back and went inside，reappearing carrying a large plate full of food for breakfast for me．It was a hearty breakfast，one that brought back memories of happy days spent with my parents．Later，as I was about to leave after thanking them，Mrs Kader asked me to wait and she went inside again．
注意：1．续写词数应为150左右；
2．请按如下格式作答。
Then Mrs Kader appeared again，with a new bicycle．___________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
I bowed to Mrs Kader gratefully and left for school．_____________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
Period 6
应用文写作
遣词造句
1．for its inclusion；to go with the land　2．is located in the northern part of China　3．is a wonder that was created by　4．in the history of human beings
句式升级
1．It's said that the main reason for its inclusion is that it was a great part of Chinese culture and beautifully made to go with the land．
2．The Great Wall is located in the northern part of China，the length of which is about 6，700 kilometers．
3．Not only is the Great Wall a wonder that was created by the ancient Chinese working people but also is one of the greatest projects in the history of human beings．
连句成篇
[参考范文]
Good morning，everyone！I am Li Hua from Xingguang Middle School．The topic of my speech is “Why was the Great Wall selected for inclusion in the UNESCO World Heritage List？”
As we know，the Great Wall was listed as a World Heritage Site by UNESCO in 1987．It's said that the main reason for its inclusion is that it was a great part of Chinese culture and beautifully made to go with the land．
The Great Wall is located in the northern part of China，the length of which is about 6，700 kilometers．The Great Wall was originally built in the Qin Dynasty to defend against the attack of the enemies．Not only is the Great Wall a wonder that was created by the ancient Chinese working people but also is one of the greatest projects in the history of human beings．
In a word，all of this explains why the Great Wall earned—and deserves—its place on the UNESCO World Heritage List．
Thank you for listening．
读后续写
续写初练笔
[参考范文]
Then Mrs Kader appeared again，with a new bicycle． It was a brand new black bicycle which I had been looking forward to owning someday．“This is for those who are in need．Therefore，it's for you！” she said with a smile，explaining that she was impressed by my spirit of struggling for life whenever she saw my rushing figure．Mrs Kader put her arms around me，gave me a gentle hug and said，“My boy，you deserve it．” Hearing that，I was shocked and more than appreciative for her generosity and kindness．I didn't even realize that tears had welled up in my eyes．
I bowed to Mrs Kader gratefully and left for school．This time I did not have to walk or run in a rush every day—I had the bicycle，which really made my life much easier afterwards．With the incredible bicycle，I could deliver my papers more effectively，thus having more time left for my studies．Even after many years，I still kept this bike in good condition．It witnessed my journey to my new life，and more significantly，it reminded me of a kind hearted gesture from a stranger．
1/1课时分层作业(十五)
Ⅰ．阅读理解
A
The sunflower sea star has been listed as a critically endangered species following a groundbreaking population study led by Oregon State University (OSU) and The Nature Conservancy．
“These giant sea stars used to be easy to find and were a hit with divers．Unfortunately，your chances of finding one now are next to nothing in most of the areas near the United States—this listing is one step to extinction—and I don't think they're coming back without help，” said OSU's Sarah Gravem，a research associate in the College of Science and lead author of the study．
Populations of the sunflower sea star suffered dramatic crashes because of a marine (海洋的) wildlife epidemic event，which began in 2013．Scientists used more than 61，000 population surveys from 31 data sets to calculate a 90.6% decline in the sunflower sea stars and estimated that as many as 5.75 billion animals died from the disease，whose cause has not been determined．Moreover，the research showed no sign of population recovery in any region in the five to seven years since the event．
Sunflower sea stars are a key catcher of purple sea urchins (海胆) and the sea star decline has helped the increase in the urchin population in many regions．Too many urchins are linked to a decline in kelp forests(海藻林) already facing pressure from marine heat wave events，making the future uncertain for ecosystems that provide habitats for thousands of marine animals and help support coastal economies．
“Because most people are not out in the ocean every day，we don't realize how much it's being changed and impacted by humans．We need to think about how to keep our ocean healthy．While reducing the release of carbon dioxide is the most pressing need，rebuilding key catcher populations，like the sunflower sea star，can be an important piece of the puzzle too，” said study co author Sara Hamilton，a Ph．D．candidate in the OSU College of Science．
1．What can we infer about sunflower sea stars from Sarah Gravem's words
A．They present a danger to divers．
B．They cannot recover on their own．
C．They cannot adapt to the new environment．
D．They attract many tourists to the United States．
2．What led to the sharp decline in the number of sunflower sea stars
A．Human beings' overfishing．
B．The arrival of a new species．
C．The rising ocean temperature．
D．The occurrence of a marine disease．
3．What is the relationship between sunflower sea stars and the sea kelp forests
A．Their common enemies are sea urchins．
B．Sunflower sea stars feed on the sea kelp forests．
C．Sunflower sea stars help preserve the sea kelp forests．
D．The sea kelp forests provide habitats for sunflower sea stars．
4．What might Sara Hamilton agree with
A．More species should be introduced to the ocean．
B．Scientists play the most important role in protecting the ocean．
C．The influence of human activities on the ocean has decreased since 2013．
D．More action should be taken to increase the number of sunflower sea stars．
B
When scientists talk about recent extinctions，birds and mammals (哺乳动物) get most of the attention．But the first global analysis of its kind finds it is twice as many plants that have disappeared as birds，mammals，and amphibians (两栖动物) combined．
Researchers reviewed published research，international databases，and museum specimens such as grasses from Madagascar，finding that 571 plants species have gone extinct in the past 250 years．One reason why the total is higher than that of the well studied animals is that there are simply more species of plants．Looking at percentages，the situation is worse for mammals and birds．An estimated 5% of those species have gone extinct，compared with 0.2% of plants．
The loss includes the Chile sandalwood tree in the South Pacific，which was cut down for its fragrant (芳香的) wood．It was last seen on Robinson Crusoe Island in 1908．The extinction rates among plants have been highest for trees and shrubs on islands，which often have species that occur nowhere else，and in regions with rich diversity，especially the tropics and in Mediterranean climates．
Just a few years later，the world lost the banded Trinity (Thismia americana)，a leafless plant that grew entirely underground except for its flowers．Most species of this kind of plant grow in rainforests，but this plant was first described in 1912 in a sandy wetland in Chicago，Illinois，and was wiped out by development．
According to the team's report in Nature Ecology & Evolution，the total of 571 extinct plant species is four times higher than the official listing kept by the International Union for Conservation of Nature．Even so，it is probably still an underestimate (低估)，as less is known about the status of plants in Africa and South America than on other continents．Many of these species may disappear，too．A major review of the status of global biodiversity recently estimated that more than a million species，including 14% of plant and animal diversity，are threatened with extinction．
5．What caused the extinction of the Chile sandalwood tree
A．Climate change．
B．The market demand．
C．Environmental pollution．
D．The decline of the habitat．
6．What do we know about the banded Trinity
A．It flowered without bearing seeds．
B．It disappeared during the 19th century．
C．It was a flowering plant without leaves．
D．It was a rare plant growing underground．
7．What can we infer about the plant species from the text
A．Their current situation is more worrying．
B．About one plant species dies out every year．
C．More plant species will keep alive in the reserve．
D．They would be replaced by other new species soon．
8．In which section of the newspaper can we find the text
A．Sports．　 B．Nature．
C．Entertainment． D．Figures．
Ⅱ．应用文写作
假定你是李华，在英国某中学做交换生。你校音乐社团负责人迈克(Mike)业务繁忙，作为成员的你希望当他的助理。请给他写一封自荐信，内容如下：
1．自我简介；
2．自身优势；
3．你的希望。
注意：写作词数应为80左右。
Dear Mike，
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
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Yours，
Li Hua
课时分层作业(十五)
Ⅰ．
1 2 3 4 5 6 7 8
B D C D B C A B
Ⅱ．[参考范文]
Dear Mike，
I hope this letter finds you well．My name is Li Hua，and I am a member of the school's music club．I am writing to express my interest in serving as your assistant due to your busy schedule．
I am strongly convinced that my strong organizational skills and passion for music make me wellsuited for this role．As a team player，I have experience in coordinating events and managing schedules．Additionally，I am skillful in both English and Chinese，which could be beneficial to our multicultural club．
I look forward to the opportunity to support you and contribute to the success of our music club．
Yours，
Li Hua
Ⅰ．【语篇解读】　本文是一篇说明文。文章主要介绍了水中生物——太阳花海星数量下降的原因。
1．B　[推理判断题。根据文章第二段“‘．．．Unfortunately，your chances of finding one now are next to nothing in most of the areas near the United States—this listing is one step to extinction—and I don't think they're coming back without help，’ said OSU's Sarah Gravem，a research associate in the College of Science and lead author of the study．”可知，太阳花海星濒临灭绝的危险，需要人们的帮助，因为它们自己无法恢复。]
2．D　[细节理解题。根据文章第三段的“Populations of the sunflower sea star suffered dramatic crashes because of a marine wildlife epidemic event，which began in 2013．”可知，导致太阳花海星数量急剧下降的原因是海洋性流行疾病的出现。]
3．C　[推理判断题。根据文章第四段的“Sunflower sea stars are a key catcher of purple sea urchins and the sea star decline has helped the increase in the urchin population in many regions．Too many urchins are linked to a decline in kelp forests already facing pressure from marine heat wave events，making the future uncertain for ecosystems that provide habitats for thousands of marine animals and help support coastal economies．”可知，太阳花海星有助于保护海藻林。]
4．D　[推理判断题。根据文章最后一段“‘．．．We need to think about how to keep our ocean healthy．While reducing the release of carbon dioxide is the most pressing need，rebuilding key catcher populations，like the sunflower sea star，can be an important piece of the puzzle too，’ said study coauthor Sara Hamilton，a Ph．D．candidate in the OSU College of Science．”可知，人们应该积极行动起来，采取具体的措施使太阳花海星一类的生物的种群数量复原。]
【语篇解读】　本文是一篇说明文。文章主要介绍了一项新的研究发现，该研究表明消失的植物数量是鸟类、哺乳动物和两栖动物总和的两倍。
5．B　[细节理解题。根据文章第三段的“The loss includes the Chile sandalwood tree in the South Pacific，which was cut down for its fragrant wood．”可知，智利檀香树是因为其芳香的木材而被砍伐。由此可知，市场需求导致了智利檀香树的灭绝。]
6．C　[推理判断题。根据文章第四段的“Just a few years later，the world lost the banded Trinity (Thismia americana)，a leafless plant that grew entirely underground except for its flowers．”可推知，美洲水玉杯是一种没有叶子的开花植物。]
7．A　[推理判断题。根据文章最后一段“According to the team's report in Nature Ecology & Evolution，the total of 571 extinct plant species is four times higher than the official listing kept by the International Union for Conservation of Nature．Even so，it is probably still an underestimate，as less is known about the status of plants in Africa and South America than on other continents．Many of these species may disappear，too．A major review of the status of global biodiversity recently estimated that more than a million species，including 14% of plant and animal diversity，are threatened with extinction．”可知，该团队认为因为人们对非洲和南美洲植物状况的了解比其他大陆的要少，所以灭绝的植物物种总数被低估了。由此推知，植物种类的现状是令人担忧的。]
8．B　[文章出处题。根据文章第一段“When scientists talk about recent extinctions，birds and mammals get most of the attention．But the first global analysis of its kind finds it is twice as many plants that have disappeared as birds，mammals，and amphibians combined．”以及全文内容可知，这篇文章和自然相关。由此推知，我们可以在报纸的自然版块上找到这篇文章。]
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