北师大版高中英语选修七Unit 21《Human Biology》(Lesson 3)教学课件
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北师大版高中英语选修七课件Unit 21 Human Biology 21.1ppt版本
6.
at random
without thinking or deciding in
advance 7. violate 8. hearing 9. doubtful 10. annual
to go against or to disobey the ability to hear not sure;uncertain happening or done once every year
e across 偶然遇见
6.contribute
to 促成;导致
7. in
silence 沉默地;默不作声地
8.more
or less 或多或少,大约
9. out of breath 气喘吁吁
10. in use (机械、场所等)在使用中
一二三四五六七八
六、用所给词汇的适当形式完成句子
1.Many contemporary amateur athletes would have broken (bre
world records if they
had taken
(take) part in
first Olympic Games.
2.Ben Johnson would be (be) the 100 metres world reco
在两种性别间还有一个重要的不同。因为白质是解决空间 的关键,因此男性对于事物间的相对位置了解得更好。
这些大脑的不同也说明了这样一个事实:从事需要空间技 作的男性多,而语言技巧的女性多。一项研究表明,这要追溯 们的祖先,女性需要语言技巧来照顾婴儿而男性需要空间技 猎。如果这样的研究结果让你失望,没必要。“大脑一生都在 这取决于我们对它做什么。”一位生物家说。
高中英语Unit 21 Human Biology Warm up课件 北师大版 选修7
This organ beats 100,000 times a day . With each beat it moves 80 milliliters of blood – that’s 8,000 liters of blood per day ! It pumps blood into the lungs , where it receives oxygen , before being pumped around the rest of the body . heart
3. a) You should take up some kind of sport ! b) Good-once a week is better than never . c) Excellent ! You must be very fit .
4. a) Well done . You probably save lots of money on dentist bills .
3.How often do you do physical exercise, enough to make you out of breath ?
a) never b) once a week c) two or three times a week
4.How often do you eat sweets or chocolate a) never b) sometimes c) every day
5. Revise and learn more about conditional sentences .
Key Words
Look at the following statements and decide which part of the body is described .
【课堂设计】高二英语北师大版选修7课件Unit 21 Human Biology Warm-up
重要词汇
重点句型
重点语法
写作要求
1.复习条件状语从句。 2.学习混合条件句。 3.学习情态动词。
重要词汇
重点句型
重点语法
写作要求
学会写与健康和饮食有关的对比性议论文。
Warm-up
一
二
三
一、释义搭配
1.digest 2.circulate 3.hearing 答案:1.C 2.B A.the ability to hear B.to move in or flow through a circle continuously C.to convert food into absorbable substances 3.A
Unit 21
Human Biology
重要词汇
重点句型
重点语法
写作要求
重要词汇 circulate vi. 循环 abuse vt. 滥用 tolerate vt.容忍 seek vt. 寻找 in vain 徒然,白费力气 oppose vt. 反对 at all costs 不管多大代价,无 论如何 postpone vt.推迟,延期 wipe out 彻底毁灭 temporary adj.临时的;短暂的 at any rate 无论如何;至少
一
二
三
二、英汉互译
1.脉搏 2.矿物 3. 4.用泵抽出(注入) 答案:1.pulse 2.mineral 3.消化 4.pump digest
一
二
三
三、根据下列描述选出对应图片
A.stomach B.lungs C.eye
1.These organs absorb oxygen and get rid of carbon dioxide.They are found on either side of the heart.They receive air as a result of breathing and when blood passes through,they give it oxygen.Can you guess what they are?
高中(北师大版)英语选修7课件：unit 21
Jodie said：“There have been a few sacrifices (牺牲)．I don’t really get that many holidays，and I don’t really go to parties or hang around a lot with my friends.It’s always about tennis，but that’s what I have got to do and that’s what I have signed up for.”
词汇积累 1.court n．球场 2.rank v．把……分等级，属 于 某 等 级 3.countless adj. 无 数 的 ， 数 不 尽 的 4.alarmingly adv.令人惊慌地 5．hang around逗留；闲逛 6.sign up for报 名(参加课程) 7.realistic adj.现实的
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。
Of all the eyes watching Victoria Azarenka and Maria Sharapova on Wimbledon’s courts，one such young girl, 14yearold Jodie Burrage，is keener (热切的) than most.She hopes that one day she can follow them in their footsteps.
Jodie’s parents now have to pay around ￡25,000 a year in total for her tennis career.Alarmingly，Jodie’s current (目前的) costs are nothing compared to what her parents will have to pay if they send her to a tennis school abroad，the obvious next step for a tennis star.
词汇积累 1.court n．球场 2.rank v．把……分等级，属 于 某 等 级 3.countless adj. 无 数 的 ， 数 不 尽 的 4.alarmingly adv.令人惊慌地 5．hang around逗留；闲逛 6.sign up for报 名(参加课程) 7.realistic adj.现实的
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。
Of all the eyes watching Victoria Azarenka and Maria Sharapova on Wimbledon’s courts，one such young girl, 14yearold Jodie Burrage，is keener (热切的) than most.She hopes that one day she can follow them in their footsteps.
Jodie’s parents now have to pay around ￡25,000 a year in total for her tennis career.Alarmingly，Jodie’s current (目前的) costs are nothing compared to what her parents will have to pay if they send her to a tennis school abroad，the obvious next step for a tennis star.
2022届一轮复习北师大版高中英语单元梳理：选修七 Unit21 Human Biology 课件
【词块必记】 seek sth. (from sb. ) seek after/for sb. (sth. ) seek one’s fortune seek out seek to do sth.
(向某人)请求/寻求某物 寻求某人(某物) 寻找成功(致富)的机会 找出; 寻出 试图做某事
【语境速测】 单句语法填空 ①We are seeking _t_o_a_t_t_a_in_(attain) the most advanced technology level in the world. ②Why do modern people seek _a_f_te_r_/_fo_r_material possessions? 完成句子 ③In early youth he went to _se_e_k__h_is__fo_r_t_u_n_e__in__a_f_o_r_e_ig_n__c_o_u_n_t_ry_. 他早年到国外去闯天下。
The best exercise is one that you enjoy and will do. But otherwise. . . it’s probably running. To avoid knee pain, you can run on soft surfaces, do exercises to strengthen your leg muscles, avoid hills and get good running shoes. Running is cheap, easy and it’s always energetic. If you are time poor, you need run for only half the time to get the same benefits as other sports, so perhaps we should all give it a try.
2021届新高考英语一轮复习教材知识解读北师大版：选修7 Unit21 Human Biology 课件
过机会
he may ④_m_i_s_s__o_u_t many good
7．_fo_c_u_s__o_n_聚焦；集中；对 chances of making money.But he
准
will stick to it ⑤_a_t__a_ll__c_o_st_s__.
8._c_l_e_a_r _u_p_整理；解释；澄清 [语境运用] 选用左栏短语的适
拓展单词 1．rob vt.使丧失；抢劫→_r_o_b_b_er_ n．强盗→_r_o_b_b_er_y_ n．盗窃 2．oppose vt.反对→_o_p_p_o_s_i_ti_o_n_ n．反方；对立面→_o_p_p_o_si_t_e_ adj.相反的；对面的→_o_p_p_o_s_e_d adj.反对的 3．violate vt.违反；违背→_v_i_o_le_n_t_ adj.猛烈的→_v_io_l_e_n_c_e_ n．暴力 4．faith n．信心→_f_a_i_th_f_u_l_ adj.忠诚的；忠实的→_f_ai_t_h_fu_l_ly___ adv.忠诚地
4．This _f_ai_t_h_ made them __f_ai_t_h_fu_l_ to carry out the instructions. (faith)
5．A child growing up in a _v_io_l_e_n_t_ environment learns _v_i_o_le_n_c_e_ and may act _v_i_o_le_n_t_ly__ towards his own children.(violent)
8．Several _r_o_b_b_e_rs_ robbed the bank of an enormous sum of money，making the largest _r_o_b_b_e_ry_ of this city in the last decade.But they were soon caught by the police.(rob)
高考英语一轮复习构想Unit21HumanBiology课件北师大选修7
短语识记
1．at any rate
无论如何；至少
2．get through 完成；顺利通(过考试)；拨通(电话)
3．at random 随意地，胡乱地
4．in vain 徒劳，白费力气
5．at all cost(s) 不惜任何代价
句式仿写 1．It is compulsoryfor winnersto be tested but other participants are only tested at random. [译文] 获胜者要强制性地进行检查，而其他参与者只 随意地检查。 [解读] “It is＋adj.＋for sb. to do .”.. 结构中，it为形式主 语，真正的主语为后面的不定式短语。 [仿写] 他这次或许能通过驾照考试。 It_is_possible_for_him_to_pass the driving test this time.
Sun Yang is_believed_to_be one of the best swimmers in world, who has won many gold medals.
课文填空 Due tobetterequipmentt,rainingand diet,athleticp_e_r_f_o_rm__a_nce
2．The Olympic spiri—t the spirit of competitionwhich emphasises taking parratther thanwinning—has been violated by the desire to succeed at all costs.
考点互动
第一版块|融会8个考纲单词
1．rob vt.抢掠；剥夺 rob sb./someplace of s抢th.走某人(某处)某物 rob a ban抢k 劫银行 rob Peter to pay Pa拆ul 东墙补西墙 While he was away, his house was robbed. 他外出时，家被盗了。 The tomb had been robbed of its treasures. 这座坟墓里的财富早已被盗。 They robbed the Irish of their liberty. 他们剥夺了爱尔兰人的自由。
高考英语一轮复习 Unit 21 Human Biology课件 北师大版选修7
9． annual adj. 10． in vain 11． at random 12．* threat n. 13． oppose vt. 14． postpone vt. 15． at all costs 16．* identify vt.
每年的，一年一次的，年度的 徒然，白费力气 随便地，任意地 威胁 反对 延期，推迟 无论如何，不惜任何代价 确定；认出，识别
34． rob vt. 35． decline vi. 36． equip vt. 37． firm n. 38． fortune n. 39． rate n. 40． at any rate 41． deadline n. 42． submit vt.
抢劫；使丧失 下降 使有准备 公司，商行 大笔钱财，巨款 比率 无论如何；至少 截止期限，最后期限 提交
临时的；短暂的 (思维、咸淡、反应)麻木的 神圣的 致命的；晚期的 头盔；防护帽 最小；最低 团体；公共机构 无条件地
49．tentatively adv. 50．*reverse vt. 51．appendix n. 52．extension n. 53．tractor n. 54．spade n. 55．aluminium n. 56．tin n.
43． concern n． 44． vote vi. 45． circumstance n. 46． enquiry n. 47． treat v. 48． violate vt. 49． scan n. 50． cancer n. 51． urban adj.
担心；担忧 表决 情形；情况 询问 款待 违反，违背 扫描 癌，癌症 城市的
选修7
Unit 21 Human Biology
Contents
201X_201X学年高中英语Unit21HumanBiologySectionⅢLesson2Le
[读文清障] ①press/pres/n.新闻界；报界 ②parallel/'pærəlel/n.极相似
之处；平行线 ③epidemic/ˌepI'demIk/n.流
行病 ④look through看穿；审核，
浏览
[原文呈现]
[读文清障]
Since Bird Flu first ⑤take one's life夺走某人的生命
appeared in 1997, it has ⑥tissue/'tIʃuː/n.组织
taken more than a hundred ⑦die of死于(饥饿、寒冷、疾病等 lives⑤. Many people fear it 身体内部因素) could be the next global die from死于(车祸、地震、战争 epidemic, especially as 等外界因素)
Flu is a modern adaptation⑧ of the same virus⑨.
从句，先行词分别是scientists和 people, that ...是that引导的宾语 从句。
[原文呈现] Bacteria and viruses have been around since the beginning of life on Earth and many of today's diseases have existed as long as⑩ humans have. It is important to look at⑪ the spread of diseases throughout history⑫
⑰rebuild/ˌriː'bIld/vt.重建 ⑱sweep through席卷；顺利通过
高中英语北师大版选修7课件：Unit+21 Human+Biology+21.5
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活学活用
完成句子
—He
could have won
in the English competition but he
five words.
—What a pity!
(本能赢) the prize
missed out
(遗漏)
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4.Traditional Chinese Medicine is finally getting the chance it deserves to help create a healthier world. 传统中医终于获得了应有的机会来帮助创造一个更加健康的世界。 考点deserve vt.应得到;应受(赏罚等) And he surely deserves additional praise:the man who popularized the clever literary attack on racism.这个将睿智文学抨击种族主义普及 化的男人无疑值得额外的赞美。 He did not deserve such fortune.他不该有这种运气。 —You’ve been working all the morning so you deserve a rest. 你已经工作了一上午,该休息一下了。 —Thank you.谢谢。
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3.It seems a real pity that thousands of people who could have benefited from Traditional Chinese Medicine missed out because of ignorance. 很遗憾,由于无知,成千上万的人们错过了用传统中医治疗的机会。 剖析 could have done 表示过去能够做某事却没能做到。 You needn’t have typed it twice.You could have used a carbon. 你没必要打两遍的。你当时本可以用复写纸的。 考点miss out错过机会;遗漏 —Hi,Kate.Go to bed early.If you sleep late,you will miss out a beautiful sunrise. 嗨,凯特。早点上床睡觉。睡得太晚你会错过美丽的日出。 —OK!Mum.好的!妈妈。 The printers have missed out a line.印刷工人遗漏了一行字。