2020-2021学年高二英语北师大版选修7同步刷题课件：Unit 21 单元限时作业

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北师大版高中英语选修7 Unit21 Warm up参考课件

is made up of two sides. It is like a super ____________
processes information. computer that ________
2. This organ ____ beats 100,000 times a day. With each
________ breathing and when blood passes through, they give
it oxygen.
4. This is a very delicate organ. It is moved by six muscles and _________ _______ consists of varies different layers. Light enters and reaches and special light camera and sensitive cells. This works like a ______ finally sends signals to the brain.
eye
Delicate organ. Light enters and reaches special light sensitive cells. Work like a camera.
liver
The size of a closed hand.
Break down the food.
Tapescript weighs about a kilo and 1. This organ ______
beat it moves eighty milliliters of blood –that is
pumps blood into 8,000 liters of blood per day. It ______

北师大高中英语选修七配套课件：Unit 21 Human Biology

▪ These problems are more widely recognised these days and as a result，extreme or unusual
diets are less likely to be encouraged by doctors.Instead，the focus is turned toward healthy and balanced eating，and toward
attitudes.A new idea—the concept of “healthy
weight”—has come to replace the concept of the “ideal weight”．Included in this new concept is
a better understanding of the variety of human
a stage. ▪ ②It is bad manners to leave others waiting so
long. ▪ ③Are you likely to be in London this year?
Hale Waihona Puke ▪ 2．翻译佳句▪ 翻译画线句子。
▪ 【答案】更确切地说，帮助他们建立自信，鼓励他们过一种健康的生活方式更有可能起到积极的效果。
is crucially important that health becomes
people's focus.In a world full of fake images and unrealistic role－models，it's easy to forget that our bodies are not just something to look at—

高二英语北师大版选修七课件Unit21SectionⅠWarmupSuperAthletes

1．选词填空： circle, circular, circulate, circulation ①She paid a circular visit among her relations. ②We observed the circulation of blood in frogs. ③The children linked hands to make a circle . ④The old man devotes himself to circulating Chinese traditional culture.
as fast as athletes today. B．Doping is a huge problem in the sporting world. C．The present and future of the sporting world is being seriously
and negatively affected by doping and gene-therapy. D．Ben Johnson, Florence Griffith and Floyd Landis have all
Please match champion athletes with their achievements.
Байду номын сангаас
a．Won gold in men's 200m freestyle final.(2016) b．Won gold in the 200m individual medley.(2016) c ． His achievements as a sprinter have earned him the
•Performanceenhancing drugs are originally developed to help

【最新】高中(北师大版)英语选修7课件：unit 21.ppt

英语 ·D 选修7
Unit 21 Human Biology
Unit 21
Human Biology
英语 ·D 选修7
Unit 21 Human Biology
Trying to get to Wimbledon
14岁的女孩乔迪·巴拉是一颗正在冉冉升起的网球明星，然而，要想实现自己参加温布尔登网球公开赛的梦想，她还需要克服许多困难、做出更大牺牲。Biology
While Jodie is happy to keep playing the sport she loves，her mother is worried about what Jodie’s career has already cost their family.She was even not sure about Jodie’s tennis talents until recently.However ， she remains realistic about Jodie’s future.“There are hundreds of parents out there who think their child is going to win Wimbledon and they are completely not true.I don’t think it’s worth carrying on unless she is going to be in the top 50 or top 100 in the world.”
谢谢观看！
• 9、春去春又回，新桃换旧符。在那桃花盛开的地方，在这醉人芬芳的季节，愿你生活像春天一样阳光，心情像桃花一样美丽，日子像桃子一样甜蜜。 2020/12/172020/12/17Thursday, December 17, 2020

(北师大)英语选修7：Unit 21《Section Two Super Athletes》

Part Ⅲ(para7)
Find out some information about gene therapy.
Unit 21 Human Biology
dash n. 短跑
Ben Johnson
Maurice Greene Usain Bolt
Lesson 1 Super Athletes
❖ Learning objectives: ❖ At the end of this lesson, you will:
d) Ben Johnson, Florence Griffith and Floyd Landis have all shocked the world by their speed.
Fast-reading:Find a topic for each paragraph
a.“Gene-therapy” is the real threat. 7 b. The effect of doping. 3 c. The Olympic ssppiirriitt has been violated. 8 d. Records fall year after year. 1 e. Doping is a kind of cheating. 4 f. Records fall but not because of
a) The athletes who took part in the first Olympic Games are not as fast as athletes today.
b) Doping is a huge problem in the sporting world.
c) The present and future of the sporting world is being seriously and negatively affected by doping and gene-therapy.

2020-2021学年英语北师大版选修7课件：Unit 21 Grammar

如果她是一个更有经验的学生，她就会通过面试了。
If he didn't speak Japanese, he wouldn't have got that job. 如果他不说日语，他就不会得到那份工作。
3．非真实条件句中的客观事实直接用陈述语气即可 Your English teacher would have been happy to give you a make-up exam if you had gone and explained that your parents were ill at that time. 如果你去解释你的父母那时生病了，你的英语老师将很乐意让你补考。
7．will/would 表示决心、愿望。would 为 will 的过去式，可用于各人称。
I'll do my best to catch up with them. 我要尽全力赶上他们。 I'll never do it again；this is the last time. 我再也不会做那件事情了，这是最后一次。 He said he would help me. 他说他会帮助我。
注意：be able to 与 can 都表示能力，但 be able to 更强调成功做成某事，且在时态方面比 can 丰富。
They were able to escape the accident spot when fire began to grow.
当大火蔓延的时候，他们得以及时地逃离了现场。
二、具体用法 1.should，ought to，must，have to 表示义务、责任或者需要。 I should help her because she is in trouble. 我应该帮她，因为她有麻烦。 You ought to take good care of the baby. 你应该照顾好孩子。

2021年高中(北师大版)英语选修7课件：unit 21 section 3

课时作业
英语 ·D 选修7
Unit 21 Human Biology
课前自主预习
课内研析探究
课时作业
9．______b_r_in_g__u_p____ 提出；抚养；呕吐 10．_____b_u_i_ld__u_p_____ 加强；增高；增强体质 11．_____w_i_p_e_o_u_t_____ 彻底毁灭 12．_p_r_o_v_id_e__s_th_._fo_r_s_b_._ 为某人提供某物 13．_____o_n_r_e_c_o_rd_____ 记录在案的 14．s_t_o_p_s_t_h_.i_n_i_ts__tr_a_c_k_s 终止；消灭 15．_____le_a_v_e_o_u_t_____ 漏掉；忘掉 16．____r_a_th_e_r_t_h_a_n____ 而非
课前自主预习
课内研析探究
课时作业
2．Read the text and put these events in correct order. (1) One of the earliest epidemics swept through North Africa，the Middle East and Europe in 500－550 AD． (2)Experts united to stop SARS spreading. (3)The Spanish Flu killed up to 50 million people in 18 months. (4)Over nine months，the number of global cases of SARS passed 8,000 and 774 people died. (5)The Black Death spread in the 1330’s in Asia. 答案： (1)→(5)→(3)→(4)→(2)

2020-2021学年英语北师大版选修7：Unit+21+Lesson+1 Super+At

课时作业13Lesson 1Super AthletesⅠ.单词拼写1．She accused the press photographers of ________(侵犯) her privacy.2．She opened the book at ________(随意地) and started reading.3．The elderly remained ________(反对) to the idea of living with the young family.4．This sort of behaviour will not be ________(容忍)．5．The condition prevents the blood from ______(循环) freely.6．Can we ________(交换) places? I can't see the screen.7．He ________(相矛盾) himself sometimes in the same sentence.8．Throughout his life, he remained faithful to his __________(基本的) political principles.9．She smiled with ________(极度的) confidence.10．If you want to take a holiday, you must ________(寻找) permission from our manager.★★答案★★1．violating 2.random 3.opposed 4.tolerated5．circulating 6.swap7.contradicts8.fundamental9．supreme10.seekⅡ.用适当的介、副词填空1．He tried to win the chess match but________vain.2．I chose a mark________random.3．Tom came________his childhood friend while visiting the Great Wall.4．We will try to save the cultural relics________all costs.5．Year________year the farmers grow the same crops in their fields.6．He is________a diet at present.7．The development of the economy began to slow________.8．The car was________control and ran into a big tree.9．The naughty boy made his sister cry________purpose.10．A big fire broke________last week, causing two deaths and seven injuries.★★答案★★与解析1．in in vain 徒劳。

北师大高中英语选修七配套课件：Unit 21 Human Biology period 2

speech. ▪ 他在讲话中提到了我，我感到很荣幸。
【拓展】
▪ privilege n．特权；殊荣
Education should not be considered to be a privilege in a modern society.
▪ [例句仿写] 鲁迅写的小说很受人欢迎。
▪ Novels ______________ are well received.
▪ 2．It is our brain that interprets these signals and builds up a picture of the outside world.
▪ a matter of principle原则问题 ▪ a matter of opinion仁者见仁；智者见智 ▪ as a matter of fact实际上；事实上 ▪ no matter (how，where，etc.)不管；不论(怎
样，哪里)
▪ 【完成句子】 ▪ ①他问我出了什么事。 ▪ He asked me__________________. ▪ ②那么这是如何产生的，有什么要紧吗？ ▪ So how has this come about and _________? ▪ ③这件事情你应该请教你的律师。 ▪ You should seek advice from your
▪ 5．抚育长大；提出________________
▪
6．consist
ቤተ መጻሕፍቲ ባይዱ
由……组成
of________________
▪ 7．compare…to…_____把_…_…_比_作_______ 从头到尾阅读；经受
▪ 8．go through________________ (使)扩大；增强

北师大版高中英语选修七Unit 21 Phrasal Verbs新版课件(47页)

You are what you eat.
To be healthy and fit, you need to eat good food. A healthy diet is an important part of a healthy lifestyle.
good nutrition work effectively
disease infection fatigue
FirsRead the article and complete the table below.
Meals breakfast lunch dinner
Old Diet
New Diet
Read the article and complete the table below.
Third Reading
Retell John’s story in your own words.
John has gone through great changes of lifestyle recently. He used to know nothing about food and health, until something came up recently.
Read the article and complete the table below.
meals new diet
breakfast fruit
lunch
salads
dinner
vegetables and grilled chicken or fish
Read again anSd aencswoenr thde qRueesatiodnsi.ng
Students’ Answer

英语北师大版选修7课件Unit21HumanBiology21.2

1)You can have the magazine the moment I finish reading it. 2)I’m sorry I have forgotten it.I’ll do it straight away .
-14-
……是我们的大脑翻译了这些信号,然后形成外部世界的图像。
剖析本句是一个强调句。强调了主语部分。
考点build up 建立
We are gradually building up a picture of what happened.
我们逐步了解到所发生的事。
活学活用
语法填空
Positive attitudes can not only build up
12345
预习导引核核心心归归纳纳
用法
例句
put off
与 postpone 用法相同,比 postpone 更通俗。
The appointment was put off because of his illness.由于他生病而推迟了约会。
活学活用语法填空 1)They postponed 2)The sports meet the rain.
一二三
of for
up off
to through to to away to
预习导引
核心归纳
-3-
Lesson 2 Brain Power
预习导引
核心归纳
一二三
三、选择适当的单词或短语并用其正确形式填空 imagine absolutely connect consist of make up
absolutely consists of
Lesson 2 Brain Power

2021高二英语北师大版选修7同步刷题课件：Unit 21

解析
句意为：许多农民反对这个计划，因为他们担心狼会咬死他们的家畜或宠物。设空处为主句的谓语动词，根据feared可知，此处应用一般过去时。故填opposed。
Part Ⅰ Vocabulary & Grammar
刷单句填空
9．The president should be prevented from ___a_b_u_s_in_g____ (abuse) his power.
Part Ⅰ Vocabulary & Grammar
刷单句填空
7．Your lives are busy enough doing homework, playing sports, making friends, ____s_e_e_k_in_g___ (seek) after your dreams.
解析句意为：这些运动是为了减轻压力和焦虑，改善全身的血液和能量循环而设计的。分析句子结构可知，设空处作动词improve的宾语，应用名词。故填circulation。
Part Ⅰ Vocabulary & Grammar
刷单句填空
3．Instead of blaming the child who had broken the vase, she gave him a __to_l_e_ra_n_t_____ (tolerate) smile and let him go.
解析
句意为：对那个打破花瓶的孩子，她没有责备而是给了他一个宽容的笑容，然后让他走了。设空处作定语修饰名词smile，应用形容词。故填tolerant。
4．The people for the survey were chosen completely_____a_t______ random.

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Kwan is the most decorated figure skater in American r to the US Figure Skating Hall of Fame and the World Figure Skating Hall of Fame classes of 2012, and in 2014, she was appointed to the Hall of Fame at the US National Competition.
【语篇导读】本文为一篇记叙文。关颖珊是著名的花样滑冰运动员，曾经获得五次世界花样滑冰锦标赛冠军，九次美国花样滑冰锦标赛冠军和两枚奥运会奖牌，被认为是历史上最出色的花样滑冰选手之一。
答案及解析
A 细节理解题。根据第三段第二句After a disappointing performance, she swore to work even harder and improve.可知，关颖珊在第一次全国比赛中表现不好，故选A项。
To find out if lunar phases (月相) affected humans, an international group of researchers studied children to see if their sleeping patterns changed or if there were any differences in their daily activities.The research studied a total of 5,812 children from five continents. Data collection took place over 28 months, which is the same as the number of lunar cycles.These were then divided into three lunar phases: full moon, halfmoon and new moon.
human civilisations in the years to come.”
1．Where does the moon's influence on human behaviours usually come from?
A．Tales.
B．Textbooks.
C．News reports. D．Scientific papers.
单元限时作业
刷阅读理解
Even after retiring from skating, Kwan has not given up her devotion to
learning, service and hard work.She received her college degree in 2009 from
nation, Kwan presents one consistent quality—devotion. 1．What do we know about Kwan according to the text?
A．She performed badly in her first national competition. B．She has won five US Championships. C．She failed to graduate from Tufts University. D．She hasn't won second place in the Olympic Games.
单元限时作业
刷阅读理解
“Folk tales and even certain examples suggest that behaviours of humans and animals are affected by lunar phases，” Dr Chaput explained.“Whether there is science behind it or not, the moon secret will continue to attract
The findings of the study indicated that in general, sleep duration around full moon reported an average decrease of five minutes compared to new moon.“Our study provides evidence that the moon doesn't seem to influence people's behaviours,” said Dr JeanPhilippe Chaput from the Eastern Ontario Research Institute. The only significant finding was one percent sleep decrease in full moon.However, sleeping for five minutes less time during a full moon is not a danger to health.“Our behaviours are largely influenced by many other factors like genes, education and income,” he added.
单元限时作业
刷阅读理解
2．What can be concluded from the findings? A．We should go to bed five minutes earlier during a full moon. B．The moon is a major thing that affects our sleep and behaviours. C．We shouldn't worry about the moon's influence over health. D．The moon plays a significant role in children's sleeping patterns.
the University of Denver and continued to pursue graduate studies in
international relations at Tufts University.Meanwhile, she has held several
diplomatic and ambassador positions representing the United States globally.Ultimately，whether on the ice, in the classroom or representing her
单元限时作业
刷阅读理解
B
体裁
题材
词数
说明文
科普知识
260
难度中
建议用时 7分钟
[江西吉安重点高中2019高二联考]The moon and its possible influence over human behaviours have been objects of tales for centuries.Although the full moon can't turn people into werewolves (狼人), some people do blame it for causing a bad night's sleep or discomfort.
选修7
Unit 21 Human Biology
03
单元限时作业
单元限时作业
刷阅读理解
A
体裁
题材
词数
记叙文
人物故事
324
难度中
建议用时 8分钟
Michelle Kwan is a champion ice skater who has won five World Championships, nine US Championships and two Olympic medals, in addition to countless other skating competitions.While audiences have seen her glide effortlessly across the ice, long hours of practice and devotion contribute to each jump and spin.
3．What may be the best title for the text?
A．The Way to Success
B．A Great Skater
C．How to Be a Good Player? D．Why Is Devotion Important?
答案及解析
B 主旨大意题。文章主要介绍了著名花样滑冰运动员关颖珊的成长经历、个人品质及其取得的成就。故选B项。
Kwan began ice skating when she was five years old, and her skill quickly became evident.At the age of eight, she skated several hours a day, every day of the week.Before school, after school and on weekends, she was at the ice rink.The cost of ice time and coaches quickly grew, but her parents were committed to her success.Her family sold their home and purchased a much smaller one to free up money to pay for her ice skating.