Unit 5 Section Ⅴ “Developing ideas”的新知学习环节-【新课程学案】2025-2026学年高中英语选择性必修第二册配套课件PPT（外研版）

该高中英语课件聚焦词汇分层学习与重点句式解构，以课前词汇默写导入，通过阅读单词“知其义”、重点单词“写其形”、活用单词“悉其变”等模块搭建学习支架，衔接现在分词作结果状语的句式分析与仿写，形成由词到句的递进脉络。 其亮点在于融合语言能力与思维品质培养，词汇部分通过“用法感知+易混辨析+应用融会”深化理解，句式教学结合“变换分析+真题仿写”提升运用能力，随堂与跟踪检测涵盖单词拼写、语法填空等多样化题型，助力学生系统掌握知识，教师可依托清晰结构高效开展教学。

“Developing ideas”的 新知学习环节 Section Ⅴ 课前词汇默写 核心词汇突破 重点句式解构 课时跟踪检测 Contents 目录 01 02 03 05 04 随堂融通训练 2 01 课前词汇默写 一、阅读单词——知其义 1．need a session to relax　　　 需要__________放松 2．herbal tea __________________茶 3．continue to prosper 继续___________ 4．the vast range in altitude _____的_____差异 5．living fossils 活______ 6．elsewhere in China 在中国的__________ 一段时间 用香(药)草制成的 兴旺/发达 海拔 巨大 化石 其他地区 二、重点单词——写其形 1．the _______arts 视觉艺术 2．legal ______ 合法地位 3．the ________of truth 真理的标准 4．a _____disease 罕见的疾病 5．allow them to ______ 让它们得以繁衍生息 6．a _______home 安全住所 visual status criterion rare thrive secure 三、活用单词——悉其变 biologist comparison compare mystery mysterious biology biological endangered apparent apparently variation various endanger greetings invasion invade coexist coexistence greet 四、拓展构词——明其规(依据规律串记单词) coexistence：adj.变t为ce→n. ①confident adj. 自信的→confidence n. 自信 ②important adj. 重要的→importance n. 重要性 ③convenient adj. 方便的→convenience n. 方便 ④absent adj. 缺席的→absence n. 缺席 五、高级词块——通其用 1．____________________________ 保持观众的兴趣 2．_____________ 发表演讲 3．_____________ 代表 4． ________________ 满足两个标准 5． ____________ 实时地 6． ______________ 海平面以上 7． __________ 导致 maintain the audience's interest give a lecture on behalf of meet two criteria in real time above sea level result in 8． ____________ 各种各样的 9． ______________ 被视为 10． __________ 多亏，由于 11． _____________ 因……而出名 12． _____________ 与……共存 13． __________ 作为回报 14． _________ 也，和，又 a variety of be regarded as thanks to be known for coexist with in return as well as 02 核心词汇突破 1．It is my great pleasure to give a lecture here on behalf of the Be at One with Nature Association. 我很开心能代表人与自然和谐相处协会在这里发表演讲。 ★on behalf of代表，作为……的代言人 |用|法|感|知| ·On behalf of everyone here， I wish you a pleasant journey back to your country. 我谨代表这里的每一个人，祝你们回国旅途愉快。 ·(2023·全国甲卷书面表达)It's said that between 1405 and 1433， on behalf of the Ming Dynasty， Zheng He made a total of seven voyages. 据说，1405年至1433年间，郑和代表明朝总共进行了七次航行。 [易混辨析] on/in behalf of sb.＝on/in one's behalf 介词短语，只能用作状语，表示“代表、代替某人” stand for 动词短语，往往用来表示“(字母、数字、符号等)代表或象征”，不用于进行时态和被动语态 represent 动词，代表的是人、团体、政府等 |应|用|融|会| (1)完成句子 ①______________________________， I'd like to extend my sincere gratitude for your help. 我代表我全家，对你们的帮助表示真诚的感谢。 ②I've been chosen to______________________________________ ____________________. 我已被选中代表我们学校参加全国象棋比赛。 On/In behalf of my whole family attend the national chess competition on/in behalf of our school (2)选词填空(on behalf of/stand for/represent) ③Now， ___________ my schoolmates， I wish you a safe return. ④Tomorrow morning the secretary will __________ the president at the meeting to deliver a speech. ⑤What do the five rings on the Olympic flag ________？ on behalf of represent stand for 2．For the first criterion， Shennongjia is apparently one of the most “complete” natural areas in the world. 就第一项标准而言，我们可以自豪地说神农架是世界上最“完整”的自然区域之一。 ★apparently adv.据说；看来，似乎；明显地 |用|法|感|知| ·(深刻说理句)Apparently， blindly following others' advice will affect our own judgment. 显然，盲目听从别人的意见会影响我们自己的判断。 ·It is apparent that responding to climate change is a common task for all countries.显然，应对气候变化是各国共同的任务。 [归纳点拨] apparent adj. 显而易见的，显然的；表面上的 It is apparent/obvious that ... ……是显而易见的 |应|用|融|会| (1)单句语法填空/替换加蓝词汇 ①Then， for no __________ (apparently) reason， the train suddenly stopped. ②He paused， ___________ (apparent) lost in thought. ③It was clear to everyone that the child had been badly treated. _________ apparent apparently apparent (2)一句多译 粗心显然是不好的，因为它总是会导致失败，但另一方面，失败可以给我们一个很好的教训。 ④____________________________ because it always leads to failure， but on the other hand， failure can teach us a good lesson. ⑤_________________________________ because it always leads to failure， but on the other hand， failure can teach us a good lesson. Carelessness is apparently bad It's apparent that carelessness is bad 03 重点句式解构 The region rises from about 400 metres to over 3，000 metres above sea level， giving it the name the “Roof of Central China”． 该地区的海拔从大约400米上升到3 000多米，被称为“华中屋脊”。 句中giving it the name... 为现在分词短语作结果状语。现在分词(短语)作结果状语，通常表示一种意料之中的结果。 (1)通常放在句子的后面，其前用逗号隔开，现在分词短语前有时可加上副词thus或therefore。 (2)现在分词短语作结果状语时往往可以转化为由and连接的并列谓语或一个非限制性定语从句。 “两层级”学通用活句式 (1)通过“句式变换”弄明句式结构 ①He dropped the glass on the ground， breaking it into pieces. →He dropped the glass on the ground and___________________. ②An earthquake hit the area， and caused a great loss. →An earthquake hit the area，__________________. broke it into pieces causing a great loss (2)通过“句式仿写”做到熟练运用 ③此外，他们常常运用故事或有趣的对比来生动地描述历史人物或事件，从而引起读者的兴趣。 Also， they often use stories and interesting comparisons to describe historical figures or events vividly，______________________ _________. thus engaging the readers' interest ④(2023·新高考Ⅰ卷写作)然而，这可能会导致学习目标不匹配、缺乏动力等问题，从而降低活动的效果。 This， however， may cause problems such as mismatched learning goals and lack of motivation，___________________________ ______________. thus reducing the effectiveness of the program 04 随堂融通训练 根据课文内容，在空白处填入1个适当的单词或括号内单词的正确形式。 Shennongjia made it onto the UNESCO World Heritage List in 2016.It is neither its forests ①_____ its wild man that has brought the status.It is because Shennongjia meets two ②_________ (criterion) required by the list. nor criteria It contains a naturally-balanced environment， ③______ scientists can observe the ④ _________ (biology) and ecological processes of various species.⑤ ___________ (addition)， Shennongjia is also one of the most “complete” natural areas in the world， with a wide variety of species living in ⑥ ___ same place.In order to protect the wild animals， scientists brave heavy snow ⑦ ________ (supply) food to the animals here.Apart from that， the local people take things from nature without ⑧ _______ (cause) damage.That is why the wild animals and the local people can coexist in harmony ⑨ _____ each other.All those well explain why Shennongjia ⑩ ________ (deserve) its place on the UNESCO World Heritage List. where biological Additionally the to supply causing with deserves 05 课时跟踪检测 第Ⅰ卷　语言基础训练 (一)单词拼写(8分) (1)Every day my grandfather eats a plate of cold ham without _________ (变化)． (2)The building makes a tremendous ______ (视觉的) impact. (3)A relaxation ________ (一段时间) may put you in a better state of mind. (4)If they are nursed properly， the _____ (稀有的) plants will flower in early spring. variation visual session rare (5)Our country has a large population，____ (辽阔的) territory and abundant resources. (6)She felt _______ (安全的) and protected when she was with her best friend. (7)To our excitement， new businesses _______ (兴旺) in this area. (8)Our favourite restaurant was closed， so we had to go __________ (去别处)． vast secure thrive elsewhere (二)单句语法填空(16分) (9)There are many ____________ (mystery) stories about the Egyptian pyramids. (10)The _________ (greet) of all the guests took more than an hour. (11)In ____________ (compare) with other students， Mike is more diligent. (12)It is known that the school has a large __________ (biology) laboratory. mysterious greeting comparison biological (13)_____________ (apparent)， he is weak， but he has hidden strength. (14)We should do our best to save ____________ (endanger) species. (15) _________ (invade) of local markets by foreign electronics manufacturers has been extensive. (16)We follow the principle of peaceful ___________ (coexist)． Apparently endangered Invasion coexistence (三)选词填空(16分) on behalf of， coexist with， in return， be known for， thanks to， as well as， be regarded as， a variety of (17)____________ my school， I took part in the English competition. (18)The famous musician， _________ his students， was invited to perform at the opening ceremony. (19)Silence __ sometimes ___________ an admission of guilt. On behalf of as well as is regarded as (20)Up to now， the media have covered the event in ___________ forms. (21) __________ your advice， much trouble was saved. (22)Switzerland ____________ its impressive mountain scenery. (23)The boy helped me carry the waste， and _________， I gave him a big hamburger. (24)Our foreign policy is to ___________ other countries. a variety of Thanks to is known for in return coexist with (四)完成句子(10分) (25)This decision could ___________________________ for the industry. 这一决定可能会给该行业带来严重后果。 (26)_____________________ since he started his high school study. 自从他开始高中学习已经有三个星期了。 (27)Their music _______________________________ the public. 他们的音乐持续吸引着公众的兴趣。 result in serious consequences It has been three weeks continues to capture the interest of (28)In 1770， the Amber Room was completed _________________. 在1770 年，这间琥珀屋按照她的要求建成。 (29)He cut off the electricity quickly， _____________________. 他迅速切断了电源，阻止了一起事故。 the way she wanted preventing an accident 第Ⅱ卷　语篇综合训练 (一)完形填空 I was walking through the bush when， suddenly， a baby koala rushed to me through the sky. Through quick thinking， I managed to catch it in my _____ . “Oh Doodah， are you — _____ to see me today？” I asked the koala. Doodah， a baby koala， was just one of the many koalas that had come into my _____ . And while I might be his favourite person， I loved all of these animals _____ . 1 2 3 4 Ever since I was a girl， I've loved animals and at age 18， I started working at the Currumbin Wildlife Sanctuary as a _____ collector. Selecting leaves for the koalas brought me so much joy as the koalas _____ them for food. Through hard work and _____ I eventually became a koala specialist， which saw me working in China， where I _____ in koala-breeding programs. 5 6 7 8 My son， Jett， has always been with koalas and comes out _____ them with me. But we've both become concerned over the _____ of our beloved koalas. I knew the best way to stop them from dying out was to _____ the young like my son because the future really is theirs. So I wrote a children's book， Have You Seen a Tree for Me？， which I hope will help them understand we've got to _____ our beloved wildlife. 9 10 11 12 There are lots of _____ things kids can do to start helping wildlife now; Keep dogs and cats locked away from wildlife， plant a tree that will encourage native animals to visit and _____ your family to drive slowly in wildlife habitats and areas. That might only sound _____ ， but if we all do this， it can make a big difference. 语篇解读：本文是一篇记叙文。作者一直负责照顾考拉，通过努力工作和学习，已成为一名考拉专家。作者因担心考拉的未来，写书以呼吁人们保护野生动物。 13 14 15 1．A.arms　　　　　　 B．legs C．clothes D．gloves   解析：根据上文“I was walking ...through the sky.”可知，考拉从天而降，冲向作者，故推知作者接住考拉，用手臂将考拉抱在怀里。故选A。 √ 2．A.curious 　 B．responsible C．excited D．unwilling 解析：根据下文“Ever since I ...them for food.”可知，作者很喜欢考拉，并为考拉收集树叶。故推知作者的工作是照顾考拉，故选B。 3．A.exchange 　 B．care C．lecture D．power 解析：根据上文“I was walking ...through the sky.”可知，考拉从天而降，冲向作者，故推知考拉见到作者很兴奋，故选C。 √ √ 4．A.officially 　 B．properly C．recently D．equally 解析：根据下文“Ever since I was a girl， I've loved animals”可知，作者喜欢所有动物，故推知作者对待所有动物都是平等的，一样的喜爱。故选D。 √ 5．A.wood 　 B．rubbish C．leaf D．water 解析：根据下文“Selecting leaves for ...them for food.”可知，作者的主要工作是为考拉收集树叶，故选C。 √ 6．A.broke down 　 B．depended on C．came across D．concentrated on 解析：选B　根据上文“Ever since I ...as a __________collector.”及“Selecting leaves for the koalas brought me so much joy”可知，作者负责为考拉挑选树叶，故推知考拉以树叶为食。故选B。 √ 7．A.study 　 B．confidence C．debate D．arrangement 解析：根据上文“Through hard work”及下文“I eventually became a koala specialist”可知，作者付出了很多努力，最终成为考拉专家。故推知此处指作者通过努力工作和学习成为专家。故选A。 √ √ 8．A.checked 　 B．typed C．registered D．joined 解析：根据上文“I eventually became a koala specialist”可知，作者在饲养考拉方面非常专业。故推知作者以专家的身份加入了考拉饲养计划，故选D。 9．A.naming 　 B．impressing C．feeding D．catching √ 解析：根据上文“My son， Jett， has always been with koalas”及下文“But we've both become concerned over the ______ of our beloved koalas.”可知，作者的儿子很喜欢考拉，故推知儿子愿意和作者一起给考拉喂食。故选C。 10．A.health 　 B．future C．food D．return √ 解析：根据下文“So I wrote ...our beloved wildlife.”可知，作者号召孩子们保护野生动物，故推知作者怕年轻一代不知道保护野生动物，所以担心考拉的未来，故选B。 11．A.educate 　 B．understand C．direct D．trust √ 解析：根据下文“There are lots of ...habitats and areas.”可知，此处描述的是孩子们保护野生动物的方法，故推知作者鼓励孩子们保护野生动物，故选B。 12．A.control 　 B．protect C．hide D．recognize 解析：根据下文“So I wrote ...our beloved wildlife.”可知，作者写儿童读物是为了教育孩子们保护野生动物。故选A。 √ 13．A.secret 　 B．big C．interesting D．simple √ 解析：根据下文“Keep dogs and ...habitats and areas.”可知，这些行为在我们生活中是很简单的保护野生动物的方法，故选D。 √ 14．A.allow 　 B．force C．ask D．train 解析：根据上文“There are lots of ________ things kids can do to start helping wildlife now”可知，此处介绍孩子们保护野生动物的方法，故推知要求家人在野生动物栖息地缓慢行驶，故选C。 15．A.small 　 B．confusing C．natural D．difficult √ 解析：根据上文“There are lots ...habitats and areas.”可知，拴住猫和狗、种树和在野生动物栖息地缓慢行驶，这些行为在我们生活中都是很小的事，故选A。 (二)语法填空(15分) The mountain bongo antelope (山地紫羚)， one of the most endangered animals， is likely to continue wandering in the wild for longer. ____ (follow) 18 years of conservation efforts， staff members from the Mount Kenya Wildlife Conservancy reached a milestone this year — the first baby mountain bongo was born in the wild. 16 Unique ____ equatorial forests， the mountain bongo is the largest and most colorful of the forest antelopes.This species ____ (see) a dramatic decline in numbers in the last few decades from ____ estimated population of 25，000 to less than 100.Its population decline was ____ (main) human-driven.Now the Conservancy is making efforts in partnership with the Kenyan government to help the mountain bongo through one ____ (innovate) breeding (饲养) and rewilding program. 17 18 19 20 21 “Due to the massive decline， we ____ (leave) with less than 100 of the species in the wild.The mountain bongo is only found in Kenya and its decline in this area therefore means its decline in the world.That explains ____ taking immediate action here is so urgent，” Robert Aruho from the Conservancy said.He added that ____ (enable) the animals to adapt to life in the wild， they have taken a series of measures.With the first phase of the ____ (adapt) being complete， the Conservancy has moved to the second phase which involves introducing the antelopes to the wild. 22 23 24 25 语篇解读：本文是一篇说明文，主要介绍了肯尼亚山野生动物保护组织在拯救濒危动物山地紫羚方面所作的努力。 16．Following　考查非谓语动词。 follow与句子主语staff members之间是逻辑上的主谓关系，故填现在分词Following。 17．to　考查介词。 unique to sth.“……特有的”为固定搭配，故填介词to。 18．has seen　考查时态和主谓一致。 根据时间状语 in the last few decades可知，此处应用现在完成时；主语This species是单数，谓语动词应用第三人称单数。故填has seen。此处see表示“见证”。 19．an　考查冠词。population 在此表示“(居住在某地的)一群人，一群动物”，是可数名词；结合语境可知，此处表示泛指，且estimated的发音以元音音素开头，故填an。 20．mainly　考查副词。空处修饰形容词human-driven，应用副词。mainly“主要地”。 21．innovative　考查形容词。 根据空前的one和空后的名词短语可知，空处应填形容词作定语。innovative“引进新思想的，采用新方法的，创新的”。 22．are left　考查时态和语态。此处描述现在的情况，应用一般现在时；leave和主语we之间是被动关系，应用被动语态。故填 are left。 23．why　考查宾语从句。 分析句子结构可知，空处引导宾语从句且在从句中作原因状语，故填why。 24．to enable　考查非谓语动词。 此处应用不定式表示目的，故填to enable。 25．adaptation　考查名词。 根据空前的of the 可知，空处应用名词作宾语。adaptation“适应”。 本课结束 更多精彩内容请登录：www.zghkt.cn $