2020新教材高中英语UNIT2Wildlifepro课件新人教版第二册

2020新教材高中英语UNIT2Wildlifepro课件新人教版第二册

UNIT 2 WILDLIFE PROTECTION 动物是人类亲密的朋友 , 人类是动物信赖的伙伴。人类的生存不能没有动物 , 而动物完全可以不需要人类 ! 保护野生动物 , 就是关爱人类自己。 Many animal and plant species have become extinct and many more are in critical danger. Dodo The dodo is a classic example of how humans caused damage to the earth ’ s biology.The flightless dodo was native to the Island of Mauritius in the Indian Ocean. The easily controlled bird became a source of food for sailors and was attacked by animals introduced to the island by humans such as pigs,monkeys and rats. The population of dodos rapidly decreased and the last one was killed in 1681.   Rhinos The rhino horn is a highly prized item for Asian medicine.This has led to the animal being hunted in its natural habitat.Once widespread in Africa and Eurasia,most rhinos now live in protected natural parks and reserves.Their numbers have rapidly decreased ① in the last 50 years,and the animals remain under constant threat from poachers( 偷猎者 ). Whales The International Whaling Commission is fighting to ensure ② the survival of the whale species.Despite the fact that one-third of the world ’ s oceans have been declared whale sanctuaries ( 保护区 ),7 out of 13 whale species remain endangered.Collisions ( 碰撞 ) with ships,poisonous pollution ③ and being caught in fishing nets are some major causes of whale deaths. Tigers The last 100 years has seen a 95% reduction in the numbers of remaining tigers to between 5,000 and 7,000 and the Bali,Javan,and Caspian tigers are already extinct.The South China tiger is precariously( 危险地 ) close to disappearing ④ ,with only 20 to 30 still alive.Like the rhino horn,tigers ’ bones and organs are sought after for medicines.These items are traded illegally along with tiger skins. 词海拾贝 ① decrease v. 减少 ② ensure vt. 保证 ③ pollution n. 污染 ④ disappear vi . 消失 典句欣赏 The easily controlled bird became a source of food for sailors and was attacked by animals introduced to the island by humans such as pigs,monkeys and rats. 翻译 : 这种容易被控制的鸟成了水手的食物来源 , 同时受到人们带来的动物 , 诸如猪、猴子和老鼠的攻击。 分析 : 本句是一个简单句。句子的主语是 The easily controlled bird,became 和 was attacked 是并列谓语 ,introduced to the island... 是动词 - ed 形式构成的短语作定语。 理解诱思 1 .What does the passage mainly tell us? 答案 : Some extinct and endangered animals. 2 .What should we do to prevent these animals from extinction? 答案 : Open. Section A 　 Listening and Speaking Ⅰ Ⅱ Ⅲ Ⅰ . 知识体系图解 poster illegal hunt immediately species alarm rate extinction mass Ⅰ Ⅱ Ⅲ habitat aware average concern living adapt measure authority pressure Ⅰ Ⅱ Ⅲ 究竟 ; 到底 结束 灭亡 ; 逐渐消失 以惊人的速度 意识到 ; 知道 平均 取得进步 对 …… 关切的 ; 为 …… 担忧的 适应 在压力下 ; 承受压力 Ⅰ Ⅱ Ⅲ Ⅱ . 释义匹配 1 .habitat 　　 A.to change something to suit different conditions or uses 2 .adapt B.be the business of sb;trouble;bother 3 .concern C.the force you produce when you press something 4 .measure D.to find the size,length,or amount of something,using standard units such as inches,metres,etc. 5 .pressure E.the natural surroundings in which an animal or a plant usually lives 答案 : 1.E 　 2.A 　 3.B 　 4.D 　 5.C Ⅰ Ⅱ Ⅲ Ⅲ . 介词填空 1 .Some of the wild animals are dying out 　　　　　 an alarming rate.   2 .Children must attend school 　　　　　 the ages of 5 and 16.   3 .I ’ m always very aware 　　　　　 how much work there is still to be done.   4 . 　　　　　 average,a powerful earthquake occurs less than once every two years.   5 .When you are 　　　　　 pressure,you should do some exercise to get relaxed.   at between of On under 重点词汇 随堂练习 1 . die out 灭亡 ; 逐渐消失 【课文原句】 Our planet ’ s ...is dying out at an alarming rate. 我们星球上的 …… 正以惊人的速度灭绝。 【词汇精讲】 die out 意为 “ 灭亡 ; 逐渐消失 ”, 是固定短语。 Perhaps too much fighting caused the dinosaurs to die out . 或许是太多的争斗导致恐龙灭绝。 In fact,half of the 6,000—7,000 languages spoken around the world today will likely die out by the next century. 事实上 , 今天世界上使用的 6 000 到 7 000 种语言中 , 有一半很可能在下个世纪消失。 重点词汇 随堂练习 【词汇拓展】 In a cold winter,many wild animals can die of hunger. 在寒冷的冬天 , 许多野生动物可能会饿死。 I am dying to know what happened because it was so strange. 我很想知道发生了什么事 , 因为这件事太奇怪了。 重点词汇 随堂练习 重点词汇 随堂练习 2 . aware adj. 知道的 ; 发觉的 ; 有 …… 意识的 【课文原句】 We must make people aware of the problem... 我们必须让人们意识到这个问题 …… 【词汇精讲】 aware 是形容词 , 意为 “ 知道的 ; 发觉的 ; 有 …… 意识的 ”, 常和介词 of 连用。 They were not aware of the historic significance of this flight. 他们没有意识到这次飞行的历史意义。 I think he has been aware of how great this club is,and how much loyal the fans are. 我觉得他已经意识到了这是一家多么伟大的俱乐部 , 这里的球迷是多么忠诚。 重点词汇 随堂练习 【词汇拓展】 Then he became aware that they were regarding him with interest. 这时 , 他意识到他们都很感兴趣地看着他。 In my opinion,it ’ s very important to develop an awareness of health now. 在我看来 , 现在提高健康意识很重要。 重点词汇 随堂练习 重点词汇 随堂练习 3 . average n. 平均数 ; 平均水平 adj. 平均的 ; 正常的 ; 普通的 【课文原句】 How many elephants are killed on average every day? 每天平均有多少头大象被杀死 ? 【词汇精讲】 average 作名词 , 意为 “ 平均数 ; 平均水平 ”, 作形容词 , 意为 “ 平均的 ; 正常的 ; 普通的 ” 。 The average time the Chinese people spend online is 17 hours per week. 中国人每周上网的平均时间为 17 个小时。 The average age of the boys in this class is fifteen. 班里面男孩子的平均年龄是 15 岁。 重点词汇 随堂练习 【词汇拓展】 Last year was the warmest year on record,with global temperature 0.68 ℃ above the average . 去年是有史以来最暖和的一年 , 全球温度比平均值高出 0.68 摄氏度。 Tom ’ s work at school is above average ,Jim ’ s below average and Jack ’ s up to average . 汤姆在校学习成绩属于中上水平 , 吉姆的学习成绩属中下水平 , 杰克的学习成绩属中等水平。 重点词汇 随堂练习 重点词汇 随堂练习 4 . concerned adj. 担心的 ; 关切的 ; 相关的 【课文原句】 I ’ m concerned about the African elephants. 我非常担忧非洲大象。 【词汇精讲】 句中的 concerned 是形容词 , 意为 “ 担心的 ; 关切的 ; 相关的 ”,concern 作动词时 , 意为 “ 涉及 ; 让 …… 担忧 ” 。 Many parents are concerned that some TV programs will have a bad influence on the development of their children. 许多家长担心一些电视节目会对孩子的成长有坏的影响。 I hope the department concerned will deal with the matter immediately. 我希望有关部门立刻处理这件事情。 What concerns me is our lack of preparation for the change. 让我担心的是我们对事态的变化缺乏准备。 重点词汇 随堂练习 【词汇拓展】 She is deeply concerned about your safety. 她非常担心你的安全。 As far as I’m concerned ,you can ’ t ignore the fact. 就我个人而言 , 你不能忽视这个事实。 【温馨提示】 形容词 concerned 作前置定语时 , 意为 “ 关心的 , 挂念的 , 担心的 ”; 作后置定语时 , 意为 “ 相关的 ; 有关的 ” 。例如 :a concerned look“ 关切的神情 ”;the authorities concerned“ 有关当局 ” 。 重点词汇 随堂练习 重点词汇 随堂练习 5 . adapt vi. 适应　 vt. 使适应 ; 使适合 【课文原句】 Elephants need large living spaces,so it ’ s difficult for them to adapt to the changes. 大象需要很大的生存空间 , 所以它们很难适应变化。 【词汇精讲】 adapt 作不及物动词 , 意为 “ 适应 ”, 常和 介词 to 连用 , 作及物动词词组 , 意为 “ 使适应 ; 使适合 ” 。 It was not long before the children adapted to the life in the country. 不久孩子们就适应了乡下的生活。 It was the culture that made it hard for him to adapt to/adapt himself to the new environment abroad. 是文化使得他很难适应国外的新环境。 重点词汇 随堂练习 【词汇拓展】 重点词汇 随堂练习 This play was adapted from the book Betrayed Spring by Jack Lindsay. 此剧是根据杰克 · 林赛所著小说《被出卖了的春天》改编而成的。 This novel has been adapted for radio from the Russian original. 这部小说已由俄文原著改编成无线电广播节目。 When you go to a new country,you must adapt yourself to new customs. 当你到一个新的国家 , 你必须使自己适应新的风俗习惯。 重点词汇 随堂练习 重点词汇 随堂练习 6 . measure n . 措施 ; 方法 vt. 测量 ; 估量 ; 度量 【课文原句】 What measures are being taken to help them? 正在采取什么措施来帮助它们 ? 【词汇精讲】 measure 作名词 , 意为 “ 措施 ; 方法 ”, 是可数名词 ; 作动词 , 意为 “ 测量 ; 估量 ; 度量 ” 。 Education shouldn ’ t be measured purely by examination results. 教育不应该纯粹用考试成绩来衡量。 We have adopted many measures to protect wild animals. 我们采取了许多措施来保护野生动物。 重点词汇 随堂练习 【词汇拓展】 In the old days,my mother always made new clothes to my own measure with Spring Festival coming. 过去 , 妈妈在春节来临时总是为我量身做新衣服。 重点词汇 随堂练习 重点词汇 随堂练习 Ⅰ . 选词填空 1 .Now scientists are doing a research on the 　　　　　 environment of other species.   答案 : living 2 .The employment 　　　　　 has continued to rise in big cities thanks to the efforts of the local governments.   答案 : rate 3 .Last year the number of students who graduated with a driving license reached 200,000,an 　　　　　 of 40,000 per year.   答案 : average average,living,measure,rate,alarm 重点词汇 随堂练习 4 .Sorry I ’ m late.I might have turned off the 　　　　　 clock and gone back to sleep again.   答案 : alarm 5 .(2019· 全国卷 Ⅰ )This smart keyboard precisely 　　　　　 the cadence( 节奏 ) with which one types and the pressure fingers apply to each key.   答案 : measures 重点词汇 随堂练习 Ⅱ . 完成句子 1 .This kind of wild animals is 　　　　　　 ( 处于 …… 危险中 ) extinction.   答案 : in danger of 2 .African elephants 　　　　　 　　　　　　　　　　 ( 正在被猎杀 ) and their number is becoming smaller.   答案 : are being hunted 3 .The government must 　　　　　 　　　　　 ( 采取措施 ) to protect these animals.   答案 : take measures 重点词汇 随堂练习 4 .The police told the children 　　　　　 ( 不要玩 ) on the street.   答案 : not to play 5 .The population of the country is growing 　　　　　　　　　　　　　　 ( 以惊人的速度 ).   答案 : at an alarming rate