Unit10-Unit12一词多义和构词法规则课件-2025-2026学年高中英语北师大版选择性必修第四册

该高中英语高考复习课件聚焦词汇语境运用与构词法两大核心考点，依据高考评价体系梳理了一词多义（如decline、launch等）和派生词汇（under-、dis-、over-前缀）考查要求，通过2022-2024年全国卷及新课标卷真题例句，明确高频词汇辨析与构词规则在阅读、完形中的考点权重，归纳语境词义推断典型题型，体现备考针对性。 课件亮点在于“真题语境+策略指导”的复习模式，如以2024新课标Ⅱ卷launch真题为例解析一词多义辨析，结合underestimate等构词法真题实例培养学生语言能力和学习能力，帮助掌握前缀词义推断技巧。助力学生精准突破词汇难关，教师可据此系统开展考点训练，提升复习效率与得分率。

UNIT 10　CONNECTIONS 一词多义 decline A.n.减少,下降　B.v.衰退,衰落　C.v.谢绝,拒绝 ①I invited her to join us,but she declined.　　  ②After the war,the economic development in this country declined sharply.　　  ③The island’s population initially numbered 180,but there was a gradual decline until only 40 people were left.　　  C B A UNIT 10　CONNECTIONS 构词法规则——语境中突破派生词汇 构词法 前缀under-表示“在…… 之下”“从属、低于”或“不足、不够”,常用在名词、动词、形容词或副词前 指出下列黑体词的含义 1.(2024全国甲卷) It was my junior year of undergraduate,and I was doing an independent study on Victorian literature.　　　　　　　　  2.(2024全国甲卷)There,they would walk through deep water,sit down cross-legged underwater and hold their breath while they watched all action going on around them.　　　　　  大学生 在水下 3.(2023新课标Ⅱ卷)To serve its function,a book must be activated by a user:the cover opened,the pages parted,the contents reviewed,perhaps notes written down or words underlined.　　　　　  4.(2023新课标Ⅰ卷)Some people will tend to overestimate,and some to underestimate.　　　　　  5.(2022全国乙卷)Soon,however,they realized what they had undertaken. 　 　　  加下划线　 低估 承担 UNIT 11　 CONFLICT AND COMPROMISE 一词多义 1.plug A.n.塞子,栓;插头,插塞;宣传　B.vt.堵,插上,塞;宣传,苦读;连接;接通电源 ①During the show she managed to put in a plug for her new book.　　  ②Pull out the plug and let the water drain away.　　  ③They’ve been plugging his new show on the radio.　　  ④Workers finished plugging the hole in the dam.　　  A A B B 2.withdraw A.收回,撤回　B.取钱　C.撤退　D.离开 ①He talked to us for an hour and then withdrew.　　  ②There was a loss of confidence in the time of an economic crisis,and people wanted to withdraw their money from the banks.　　  ③The drug has been withdrawn from the market for further tests.　　  ④The UN has withdrawn its troops from the country.　　  D B A C 构词法规则——语境中突破派生词汇 构词法 前缀dis-表示“否定、分离或反向”,常用在动词、名词、形容词等前 指出下列黑体词的含义 1.(2024新课标Ⅰ卷)Don’t be too discouraged if things don’t go according to plan.　　　　　　　　  2.(2020天津卷)Like Galileo,all the great names in history were curious and asked in discontent,“Why?Why?Why?”　　　　　  灰心丧气的 不满足 3.(2020新高考Ⅰ卷)Follow all rules carefully to prevent disqualification.Write a poem using 100 words or fewer.Your poem can be any format,any number of lines.　　　　　  4.(2021新高考Ⅰ卷)As the twins looked around them in disappointment,their father appeared.　　　　　  5.(2022全国甲卷)I was unwilling to talk with him and often disobeyed his rule of not staying out with my friends too late.　　　　　  取消资格 失望 不遵守 UNIT 12　 INNOVATION Ⅰ.一词多义 1.launch A.n.下水;发射;投产或投放　B.vt.使(某事物)运动;送上轨道;使下水;使开始 ①(2024新课标Ⅱ卷)Riders have printed nearly 20,000 short stories and poems since the program was launched last March.　　  ②The lifeboat was launched immediately to rescue the four men.　　  ③The original planned launch of the satellite was called off four minutes before its lifting off.　　  ④(2020天津卷)If you want to have a business of your own,your local library can become a launch space for it.　　  B B A A 2.device A.装置,器具　B.策略,方法,技巧,手法　C.诡计,计谋 ①The author used a variety of devices to create a mysterious atmosphere in the novel.　　  ②(2024新课标Ⅰ卷)This makes sense because the people who get observational biodiversity data on mobile devices are often citizen scientists recording their encounters with species in areas nearby.　　  ③The boy’s illness is merely a device to avoid going to school.　　  B A C 构词法规则——语境中突破派生词汇 构词法 over-前缀通常表示“过度、过分或超出正常范围”,它用以强调某个方面达到了极端或不适当的程度 指出下列黑体词的含义 1.(2024新课标Ⅰ卷)Biodiversity apps can use our study results to inform users of oversampled areas and lead them to places—and even species—that are not well-sampled.　　　　　　　　  2.(2024新课标Ⅰ卷)Some parents are just being overprotective with their children learning nothing but living in fear of everything. 　　　　　　　　　　　　　　  过度采样 过度保护的;溺爱的　 3.(2024新课标Ⅱ卷)Travel promotes understanding,expands our minds,makes us better people,and boosts local economies and communities,but the rapid growth of travel has led to overtourism in certain regions and destinations. 　　　　　  4.(2024新课标Ⅱ卷) Overvisited destinations are that way for a reason:they’re special.　　　　　　　　　　　  5.(2024全国甲卷)Eating alone,especially in front of the TV or computer,often leads to mindless overeating.　　　　　  过度旅游 游客过多的 暴饮暴食 $