Unit 4 Humour Topic Talk-2025-2026学年高中英语词汇变形及词缀精讲选择性必修第二册（北师大版）

高中选修2北师大版 【词汇变形及词缀精讲】 Unit 4:Humour Topic Talk 词汇精讲 Unit 4:Humour Topic Talk 北师大版高中选修2 全部单元单词 comedy/'kpmadi/n.喜剧：喜剧往：相互作用 swing/sw四/n.挥动，挥舞；秋 片 anxiety/e)zareti/n.焦虑，不千：vi.&t.(使)摆动；（使）转 cross talk相声 安，担心 动：朝…打去；荡秋千 pretend /pri'tend/i.&t.假装，wel-being n.舒适：健康：幸福collapsek'leps/vi.突然倒下 装作 significant /sig'nnfikant/adj.embarrassed /mm'baerast/adj. humorous/'hju:mar3s/adj.幽默要的，重大的 堪的，尴尬的 的，诙谐的 enhance/n'ha:ns/vt.增强；改consume /kan'sjum/t.消耗； plot /plpt/n.(书、电影、戏刷的进：提高 吃：消费 情节 referee/,refa'ri:/n.裁判（员） confused /kan'fju:zd/adj.困惑 accent/'eksant//n.口音 terrified/'terfaid/adj.极度惊恐的 imitate/mitet/t.模仿 的 potential /pa'tenl/n.潜力，潜 facial/'fe/adj.面部的；脸上dizy/'dzi/ad.头晕目眩的 能：adj.潜在的，可能的 的 unbalanced /An'baelanst/adj. interact/,ntar'ekt/vi.交流：交平衡的 词汇变形及词缀精讲 1.humorous/hju:mar3sadj.幽默的，诙谐的 词汇变形 名词形式：humor(美式)/humour(英式) 构词解析 后缀-0S:加在名词后，构成形容词，表”具有…性质的”。 同类词：dangerous（危险的)、famous(著名的) 例句：The comedian's humorous stories made the audience laugh loudly. 真题链接（北师大版高中选修2同步练习）：Her__humor)personality makes her popular among classmates..(答案：humorous) 2.significant/sig'nIfikant/adj.重要的，重大的 词汇变形 名词形式：significance(意义：重要性) 高中选修2北师大版 【词汇变形及词缀精讲】 Unit 4:Humour Topic Talk 副词形式：significantly(显著地：重要地) 构词解析 前缀sign-:表”标记；信号”，后缀-ant:构成形容词，表”具有…性质的”；-ance构成名词。 同类词：important(重要的)一importance(重要性) 例句：The discovery has significant implications for medical research. 真题链接（北师大版高中选修2教材例句)：The new policy will have a significant impact on environ- mental protection 3.enhance/m'ha:ns/vt.增强：改进：提高 词汇变形 名词形式：enhancement（增强：提高) 构词解析 前缀en-:表”使…进入某种状态’，hance意为”高’，合为”使变高’即”增强”。 同类词：enlarge(扩大)、encourage(鼓励) 例句：Regular exercise can enhance physical fitness. 真题链接（北师大版高中选修2同步练习）：The use of new technology (enhance)the efficiency of our work greatly..(答案：enhances) 4.terrified/'terifard/adj.极度惊恐的 词汇变形 动词形式：terrify(使恐惧；惊吓) 名词形式：terror(恐惧；恐怖) 构词解析 后缀-ed:加在动词后构成形容词，表”感到…的”；名词形式为terror,.动词为terrify。 同类词：excited(兴奋的)→excite(使兴奋)→excitement(兴奋) 例句：She was terrified of snakes when she was a child. 真题链接（北师大版高中选修2同步练习)：The loud noise (terrify)the little girl,and she started tocy.(答案：terrified) 5.embarrassed/m'baerast/adj.难堪的，尴尬的 词汇变形 动词形式：embarrass(使尴尬：使难堪) 名词形式：embarrassment(尴尬：难堪) 构词解析 前缀em-:表”使…”，barrass意为”阻碍”，后缀-ed表”感到…的”。 同类词：surprised(惊讶的)→surprise（使惊讶)→surprise（惊讶) 例句：He felt embarrassed when he forgot his lines on stage. 真题链接（北师大版高中选修2教材例句）：Avoid asking personal questions to prevent others from feeling embarrassed. 6.confused /kan'fju:zd/adj.困惑的 词汇变形 2 高中选修2北师大版 【词汇变形及词缀精讲】 Unit 4:Humour Topic Talk 动词形式：confuse(使困惑；混淆) 名词形式：confusion(困惑；混乱) 构词解析 前缀con-:表”共同’，fse意为”融合”，后缀-ed表”感到…的”。 同类词：amazed(惊奇的)→amaze(使惊奇)→amazement(惊奇) 例句：The complex instructions left me confused. 真题链接（北师大版高中选修2同步练习)：Students often (confuse)the two similar words ”affect'”and”effect”.(答案：confuse) 7.potential/p3'ten/n.潜力，潜能：adj.潜在的，可能的 词汇变形 副词形式：potentially(潜在地；可能地) 构词解析 前缀pot:表”能力：力量”，后缀tial:构成形容词，表”具有…性质的”。 同类词：essential(基本的)、initial(最初的) 例句：Everyone has the potential to achieve their goals with effort. 真题链接（北师大版高中选修2教材例句）：We should develop the students'potential in creative thinking. 8.consume/kan'sjum/t.消耗：吃；消费 词汇变形 名词形式：consumption(消耗；消费) 形容词形式：consumable(可消费的：可消耗的) 构词解析 前缀con-表”共同”，sume意为”拿取”，合为”一起拿取即”消耗”。 同类词：assume(假定)、resume(重新开始) 例句：Cars consume a lot of energy and produce pollution. 真题链接（北师大版高中选修2同步练习)：The (consume)of fast food has increased rapidly in recent years.(答案：consumption) 9.interact/,mtar'ekt/vi.交流；交往；相互作用 词汇变形 名词形式：interaction(相互作用：交流) 形容词形式：interactive(互动的：相互作用的) 构词解析 前缀inter-:表”在…之间”，act意为”行动”，合为”在彼此之间行动”即”互动”。 同类词：international(国际的)、interview(面试) 例句：Children learn language by interacting with others. 真题链接（北师大版高中选修2教材例句）：Social media allows people to interact with friends world- wide l0.imitate/'mitet/.vt.模仿 3 高中选修2北师大版 【词汇变形及词缀精讲】 Unit 4:Humour Topic Talk 词汇变形 名词形式：imitation(模仿；仿制品) 形容词形式：imitative(模仿的：仿制的) 构词解析 前缀im-:表”使”，it意为”走”，合为”跟着走”即”模仿”；后缀-ion构成名词。 同类词：imitate(模仿)→imitation（模仿)、create(创造)→creation(创造) 例句：The actor can imitate the voices of many celebrities, 真题链接（北师大版高中选修2同步练习)：Parrots are good at(imitate)human speech.(答 案：imitating) 11.anxiety/e)'zati/n.焦虑，不安，担心 词汇变形 形容词形式：anxious(焦虑的：渴望的) 副词形式：anxiously(焦虑地：急切地) 构词解析 名词anxiety源自形容词anxious,后缀ty构成名词，表”性质；状态。 同类词：angry(生气的)→anger(愤怒)、happy(快乐的)→happiness(幸福) 例句：Her anxiety about the exam kept her awake all night. 真题链接（北师大版高中选修2教材例句）：Talking to friends can help reduce anxiety in daily life. l2.pretend /prI'tend/vi.&vt.假装，装作 词汇变形 名词形式：pretence(英式)/pretense(美式)（假装；借口） 构词解析 前缀pre-:表”在…之前”，tend意为”伸展”，合为”预先摆出姿态”即假装”。 同类词：pretend(假装)→pretence(假装)、attend(参加)一attention(注意) 例句：He pretended to be reading when his mother came in. 真题链接（北师大版高中选修2同步练习）：She (pretend)not to hear the noise and continued working.(答案：pretended) 综合训练 一、根据句意及汉语提示完成单词 l.The comedian's stories are full of_(幽默)，making everyone laugh 2.The new policy has great()for environmental protection. 3.Regular reading can _(增强)your vocabulary and comprehension. 4.She felt (极度惊恐的)when she saw the big dog running towards her. 高中选修2北师大版 【词汇变形及词缀精讲】 Unit 4:Humour Topic Talk 5.His face turnedred with (尴尬)when he realized his mistake 6.The complex math problem caused much (困惑)among the students.. 二、用所给单词的适当形式填空 1.Her (humor)personality makes her popular at parties. 2.The discovery has (significant)changed our understanding of the universe 3.New technology_ (enhance)our daily life in many ways. 4.The loud thunder _(terrify)the little boy,and he hid under the bed. 5.He was (embarrass)to admit that he had forgotten the meeting. 6.The teacher's explanation only made the students more(confuse). 7.Everyone has the(potential)to succeed with hard work. 三、完成句子（每空一词） 1.规律锻炼能提高身体素质。 Regular exercise can 2.她小时候害怕黑暗。 She the dark when she was a child. 3.孩子们通过与他人交流学习语言。 Children learn language by others. 4.社交媒体让人们能与世界各地的朋友互动。 Social media allows people to friends worldwide. 四、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。 5 高中选修2北师大版 【词汇变形及词缀精讲】 Unit 4:Humour Topic Talk Reading is a great way to improve yourself.It not only brings (humor)stories but also (significant)knowledge.For example,books about science can (enhance)your un- derstanding of the world.However,some students feel(terrify)of difficult texts and avoid them,which leads to(embarrass)when discussing books with others.In fact,everyone has the (potential)to enjoy reading.By(interact)with characters in stories,you can even (imitate)their good habits.Don't let (confuse)stop you-start with simple books and gradually challenge yourself! 参考答案 I根据句意及汉语提示完成单词 1.humor 2.significance 3.enhance 4.terrified 5.embarrassment 6.confusion Ⅱ用所给单词的适当形式填空 1.humorous 2.significantly 3.enhances 4.terrified 5.embarrassed 6.confused 7 potential L.完成句子 1.enhance physical fitness 2.was terrified of 3.interacting with 4.interact with V.语篇填空 1.humorous 2.significant 3.enhance 4.terrified 5.embarrassment 6.potential 7 interacting 8.imitate 9.confusion 6