Unit 4 Humour Topic Talk-2025-2026学年高中英语词义辨析及同义替换精讲选择性必修第二册（北师大版）

高中选修2北师大版 【词汇精讲】 Unit 4:Humour Topic Talk 词汇精讲 【Unit4】Humour Topic Talk 词义辨析及同义替换精讲 本单元核心词汇 一、全部单元单词 comedy/'kpmadi/n.喜刷：喜剧interact/,mtar'ekt/vi.交流：交unbalanced/,n'baelanst//adj.不 片 往：相互作用 平衡的 cross talk相声 anxiety/e'zarati/n.焦虑，不安，swing/sw四/n.挥动，挥舞；秋 pretend /pri'tend/i.&t.假装，担心 千：vi.&t.(使)摆动：（使）转 装作 wel-being n.舒适；健康：幸福动：朝…打去：荡秋千 humorous/'hju:mar3s/adj.幽默significant/sIg'nrfikant/adj.重collapse/ka'leps/vi.突然倒下 的，诙谐的 要的，重大的 embarrassed /im'baerast/adj. plot/plpt/n.(书、电影、戏刷的)enhance/i'ha:ns/vt.增强：改堪的，尴尬的 情节 进；提高 consume /kan'sjum/vt.消耗： accent/'eksant//n.口音 *referee/,Iefa'ri:/n.裁判（员）吃；消费 *imitate/'mtet/t.模仿 *terrified/'terifaid/adj.极度惊confused/kan'fju:zd/adj.困惑的 facial/fe/adj.面部的：脸上恐的 potential/p3'ten/n.潜力，潜能： 的 dizy/dzi/adj.头晕目眩的 adj.潜在的，可能的 词义辨析及同义替换 1. pretend /prI'tend/vi.&vt.假装，装作 词义辨析： pretend:侧重“有意识地模仿或伪装以欺骗他人”，后接不定式(todo)或从句，强调主观故意 性。 feign:语气更正式，指“捏造或假装（情绪、疾病等）”，如feign illness(装病)，高中阶段较少 使用。 同义替换： feign,simulate 例句： He pretended not to hear the teacher's question.（北师大版高中选修2 Unit 1教材例句) 高中选修2北师大版 【词汇精讲】 Unit 4:Humour Topic Talk 2.significant/sIg'nifikant/adj.重要的，重大的 词义辨析： significant::强调“有意义、影响深远的”，修饰抽象事物（如change,progress),程度高于important: important:泛指“重要的”，使用范围更广，可修饰人或事物。 同义替换： important,meaningful,momentous 真题链接：（北师大版高中选修2同步练习） The discovery of new energy has aimpact on the global economy. A.significant B.slight C.similar(答案：A) 3.enhance/m'hans/t.增强：改进；提高 词义辨析： enhance:侧重“在原有基础上提升质量、价值或效果”，如enhance confidence(增强信心)。 improve:泛指“变得更好”，可接名词或从句，如improve health(改善健康)。 同义替换： improve,boost,strengthen 例句： Regular exercise can enhance your physical well-being.(北师大版高中选修2Unit3阅读原文) 4.collapse/ka'laeps/vi.突然倒下 词义辨析： collapse:指“因体力不支、结构损坏等突然倒下或垮塌”，可用于人或物体，如collapse from exhaustion。 fall:泛指“从高处落下”，强调动作本身，如fall off the bike。 同义替换： fall down,crumble 真题链接：（北师大版高中选修2单元测试） The old bridge under the weight of the truck A.collapsed B.fell C.dropped(答案：A) 5.embarrassed/m'baerast/adj.难堪的，尴尬的 词义辨析： embarrassed:修饰人，表示“因羞愧或窘迫而不自在”，主语通常是人。 embarrassing:修饰事物，表示“令人尴尬的”，如an embarrassing moment(尴尬时刻)。 同义替换： ashamed,awkward 例句： She felt embarrassed when her friend mentioned her mistake in public.(北师大版高中选修2Unit2 对话例句) 高中选修2北师大版 【词汇精讲】 Unit 4:Humour Topic Talk 6.confused /kan'fju:zd/adj.困惑的 词义辨析： confused:修饰人，表示“因混淆而困惑的”，主语是人，如a confused look(困惑的表情)。 confusing:修饰事物，表示“令人困惑的”，如a confusing question(费解的间题)。 同义替换： puzzled,bewildered 真题链接：（北师大版高中选修2期末复习题） The instructions were so that no one could understand them. A.confused B.confusing C.exciting(答案：B) 7.potential/p3'ten/n.潜力，潜能：adj.潜在的，可能的 词义辨析： potential(ad.):强调“存在但未发挥的可能性”，如potential danger(潜在危险)。 possible:泛指“可能的”，侧重客观上有实现的可能性，如possible solution(可能的解决方案)。 同义替换： possible,latent(潜能)；capacity,ability(潜力) 例句： Everyone has the potential to achieve their dreams with hard work.（北师大版高中选修2Unit4写作 范文) 8.consume/kan'sjum/t.消耗：吃；消费 词义辨析： consume:侧重“消耗资源、时间或食物”，如consume energy(消耗能量)，强调使用过程。 spend:主语为人，后接时间或金钱，如spend time on study(花时间学习)。 同义替换： use up,expend 真题链接：（北师大版高中选修2环保主题阅读） Modern life _a large amount of natural resources every day. A.consumes B.saves C.produces (答案：A) 9.anxiety/e)'zarati/n.焦虑，不安，担心 词义辨析： anxiety:指“持续的、过度的担忧”，强调心理状态，为不可数名词。 woIy:既可作动词也可作名词，泛指“烦恼”，为可数名词，如have many worries。 同义替换： worry,concemn,stress 例句： Students often feel anxiety before important exams.(北师大版高中选修2Unit5心理健康单元词汇 例句) 高中选修2北师大版 【词汇精讲】 Unit 4:Humour Topic Talk l0.interact/nter'ekt/vi.交流；交往：相互作用 词义辨析： interact:强调“双向互动”，常与with连用，如interact with others(与人交流)。 communicate:.侧重“传递信息或情感”，如communicate ideas(表达想法)。 同义替换： communicate,engage with 例句： Children learn social skills by interacting with their peers.(北师大版高中选修2 Unit 1课堂活动例 句) 综合演练 综合练习 一、 单项选择 1.She to be asleep when her mother came into the room. A.pretended B.feigned C.simulated 2.The new policy will have a effect on reducing environmental pollution. A.significant B.important C.momentous 3.Taking online courses can your knowledge and skills in specific fields. A.enhance B.improve C.boost 4.The old building suddenly during the earthquake last night. A.collapsed B.fell C.crumbled 5.He felt when he realized he had made a mistake in front of the whole class. A.embarrassed B.ashamed C.awkward 高中选修2北师大版 【词汇精讲】 Unit 4:Humour Topic Talk 6.The directions for assembling the furniture were so that I had to ask for help A.confused B.confusing C.puzzling 7.Everyone has the to become a successful person with hard work and determination. A.potential B.capacity C.ability 8.Modern industry_ large quantities of raw materials every year. A.consumes B.uses up C.expends 9.Many students experience before exams,which affects their performance A.anxiety B.worry C.stress 10.Children learn how to share and cooperate by with their siblings at home A.interacting B.communicating C.engaging with 二、根据句意及汉语提示完成单词 1.She tried to (that she didn't care about the result of the competition. 2.The invention of the Internet is a_(重大的)event in human history.. 3.Regular reading can your vocabulary and comprehension skills. 4.The athlete (倒下)to the ground after running the marathon. 5.I felt (尴尬的)when I forgot my lines during the speech. 6.The (困惑的)look on his face showed that he didn't understand the question. 7.We should pay attention to the(risks before starting the project. 8.The factory_ (消耗)a lot of water and electricity every day. 9.Her (焦虑)about the future kept her awake at night. 10.Teachers often encourage students to (交流)with each other in group discussions. 高中选修2北师大版 【词汇精讲】 Unit 4:Humour Topic Talk 三、用所给单词的适当形式填空 1.He _(pretend)not to see me when we passed each other in the street yesterday. 2.The (significant)of this discovery has not been fully recognized yet. 3.The company is trying to(enhance)its brand image through social media. 4.After the heavy rain,part of the roof(collapse)under the weight of the water. 5.She was (embarrass)when her parents told stories about her childhood in front of her friends. 6.The (confuse)instructions led to many mistakes in the experiment. 7.We need to develop the(potential)of every student in our school. 8.The new machine _(consume)less energy than the old one. 9.Her (anxious)increased as the exam date approached. 10.Children learn social skills by _(interact)with their peers in school. 四、完成句子（每空一词） 1.他假装生病来逃避参加会议。 He to avoid attending the meeting 2.这项研究对医学发展有重大意义。 This research is the development of medicine. 3.听音乐可以增强我们的记忆力。 Listening to music can 4.这座老桥由于年久失修而倒塌了。 The old bridge of poor maintenance. 5.当众演讲时，他总是感到尴尬。 He always when speaking 五、语篇填空 阅读下面短文，在空白处填入一个适当的单词或用括号内单词的正确形式填空，使短文通顺、连 贯。 6 高中选修2北师大版 【词汇精讲】 Unit 4:Humour Topic Talk Students often face challenges in their daily lives.Some may (1) (pretend/feign)to be confi- dent in front of others,but inside they feel(2)(embarrassed/embarrassing).Others may have (3)(anxiety/worry)about their studies,especially before exams.To solve these problems, it's important to (4)(interact/communicate)with teachers and friends.Sharing feelings can (5) (enhance/improve)mutual understanding and support.Additionally,recognizing one's(6) (potential/capacity)and setting realistic goals can help reduce stress.Remember,everyone has the ability to overcome difficulties and achieve(7)(significant/important)progress with effort. 参考答案 I.单项选择 1.A2.A3.A4.A5.A6.B7.A8.A9.A10.A Ⅱ.根据句意及汉语提示完成单词 1.pretend 2.significant 3.enhance 4.collapsed 5.embarrassed 6.confused 7.potential 8.consumes 9.anxiety 10.interact I用所给单词的适当形式填空 1.pretended 2.significance 3.enhance 4.collapsed 5.embarrassed 6.confusing 7.p0- tential 8.consumes 9.anxiety 10.interacting V.完成句子 1.pretended to be ill 2.significant to 3.enhance our memory 4.collapsed because 5.feels embarrassed,in public V.语篇填空 1.pretend 2.embarrassed 3.anxiety 4.interact 5.enhance 6.potential 7.significant 7