Unit 6 Detectives-2025-2026学年八年级下册英语词义辨析及同义替换精讲（北师大版）

8年级下册北师大版 【Unit6 Detectives】 词义辨析及同义替换精讲 Unit 6 Unit6】Detectives 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 humorous/'hju:mar3s/adj.幽默recently/i:snti/adv.最近：近thirsty/'3:sti/adj.口渴的：渴 的：诙谐的 来：不久前 望的 degree/dr'gri:/n.度；度数：学reappear,i:3pIa)/V.再次出create/kri'et/v.创造；创作：创 位：程度 现；重新露面 建：引起 unclear/,n'kla(r)/adj.不清楚impossible /im'ppsabl/adj.不可wealthy/'wel0i/adj.富有的；富 的：模糊的；不明朗的 能的：办不到的：难以忍受的 裕的：富饶的 truth /tru:θ/n.真相：实情：事exactly /ig'zaektli/adv..确切地；education/,ed3uken/n.教育； 实：真理 精确地；正好；完全正确 培养：教育学 词义辨析及同义替换 1.humorous/'hju:meras/adj.幽默的；诙谐的 词义辨析： humorous:侧重形容人性格或言谈举止幽默风趣，能引人发笑，是形容词。 fuy:含义更广，可指”好笑的、滑稽的”，也可指”奇怪的，口语化程度更高。 同义替换： funny,witty 例句： My English teacher often tells jokes in class,he is very humorous. 真题链接：（北师大版八年级下册同步练习） The story he told was so_that everyone laughed loudly. A.boring B.humorous C.sad(答案：B) 2.degree/d'gi:/n.度；度数；学位：程度 词义辨析： degree:作”度（温度、角度）”时，是可数名词；作”学位”时，指大学授予的学位：作”程度 时，常用搭配to some degree(在某种程度上)。 8年级下册北师大版 【Unit6 Detectives】 词义辨析及同义替换精讲 levl:侧重”水平、等级”，指在某方面达到的程度或标准，如”英语水平。 同义替换： level,extent 例句： Water boils at 100 degrees Celsius. 真题链接：（北师大版八年级下册单元测试） She has a_in physics from Beijing University. A.degree B.level C.grade(答案：A) 3.unclear/,n'kla)/ad.不清楚的：模糊的：不明朗的 词义辨析： unclear:指'模糊的、不明确的”，强调信息或表达不清楚，反义词是clear。 vague:侧重”含糊的、笼统的”，指描述或含义不具体，让人难以理解。 同义替换： vague,ambiguous 例句： The instructions on the box are unclear,so I don't know how to use it. 真题链接：（北师大版八年级下册期末复习题） Her explanation was so-that no one could understand her. A.clear B.unclear C.simple (答案：B) 4.recently/'i:sntli/adv.最近；近来；不久前 词义辨析： recently:指”最近一段时间内”，多用于现在完成时或一般过去时，位置可在句首或句中。 lately:与recently含义相近，但更口语化，常用于否定句和疑问句。 同义替换： lately,not long ago 例句： I have read three books recently 真题链接：（北师大版八年级下册同步练习） —Have you seen Tom_? -Yes,he was here ten minutes ago. A.recently B.suddenly C.finally (答案：A) 5.impossible/im'ppsabl/adj.不可能的；办不到的：难以忍受的 词义辨析： impossible:指'完全不可能的'，语气强烈，反义词是possible,常用搭配It's impossible to do sth unlikely:指”不太可能的”，可能性较低但并非完全没有，语气较委婉。 8年级下册北师大版 【Unit6 Detectives】 词义辨析及同义替换精讲 同义替换： unlikely,out of the question 例句： It's impossible for me to finish the work in an hour 真题链接：（北师大版八年级下册单元测试） It's_for a person to fly without a plane A.possible B.impossible C.easy (答案：B) 6.exactly1g'zaektli//adv.确切地；精确地：正好；完全正确 词义辨析： exactly:强调”精准无误、完全符合”，可用于回应他人表示”正是如此”。 actually::侧重”实际上、事实上”，用于纠正或补充说明。 同义替换： precisely,exactly speaking 例句： -Is this the right address?-Exactly!That's where I live. 真题链接：（北师大版八年级下册期末复习题） -What time does the train leave? at 8:30 a.m.Don't be late A.Exactly B.Actually C.Nearly (答案：A) 7.thirsty/'03sti/adj.口渴的；渴望的 词义辨析： thirsty:指”口渴的，或”渴望的”，常用搭配be thirsty for(渴望…)。 hungry:指”饥饿的”，与thirsty对应，指身体对食物的需求。 同义替换： eager,longing for 例句： After playing basketball for an hour,we were all thirsty. 真题链接：（北师大版八年级下册同步练习） She is-for knowledge and reads books every day. A.hungry b.thirsty C.fll(答案：B) 8.create /kri'et/v.创造：创作；创建；引起 词义辨析： create:指’从无到有地创造、发明”，强调创新性，如创作故事、创建公司”。 mke:含义更广，指”制作、制造”，侧重通过劳动完成，如”做蛋糕、制作工具”。 同义替换： invent,produce 3 8年级下册北师大版 【Unit6 Detectives】 词义辨析及同义替换精讲 例句： The artist created a beautiful painting of the mountain. 真题链接：（北师大版八年级下册单元测试） Edison_many useful inventions in his life A.created B.made C.built(答案：A) 9.wealthy/weliθ/adj.富有的：富裕的；富饶的 词义辨析： wealthy:指'富有的、有钱的”，强调拥有大量财产，是形容词，比较级为wealthier。 ich:含义更广，可指”富有的，也可指”丰富的、肥沃的”，如rich soil(肥沃的土壤)”。 同义替换： rich,affluent 例句： The family is wealthy enough to travel around the world 真题链接：（北师大版八年级下册阅读专项) He was born in afamily and received a good education A.poor B.wealthy C.small(答案：B) l0.education/.ed3 'kerfn/n.教育；培养：教育学 词义辨析： education:指”教育（总称）”，包括学校教育和家庭教育，是不可数名词，如higher education (高等教育)”。 training:侧重”训练、培训”，指为掌握某种技能而进行的练习，如job training(职业培训)”。 同义替换： schooling,instruction 例句： Parents should pay attention to both the intellectual and moral education of their children. 真题链接：（北师大版八年级下册期末测试） is very important for a country's development. A.Education B.Money C.Time (答案：A) 综合演练 综合练习 一、 单项选择 4 8年级下册北师大版 【Unit6 Detectives】. 词义辨析及同义替换精讲 1.The movie we watched last night was so_that we couldn't stop laughing A.boring B.humorous C.serious 2.My brother has just got ain computer science from Tsinghua University. A.degree B.level C.grade 3.The directions on the map are,so we got lost on the way. A.clear B.unclear C.simple 4.-Have you visited the new museum_? -Yes,I went there with my family last weekend. A.recently B.suddenly C.finally 5.It's_for humans to live on the moon without special equipment. A.possible B.impossible C.easy 6.-When will the party start? -at 7:00 p.m.Please arrive on time. A.Exactly B.Actually C.Nearly 7.After running for an hour,the athletes were all-and needed water A.hungry B.thirsty C.full 8.The famous writer spent three years to-a new novel about space exploration. A.create B.make C.build 9.The Smiths are a_family and they often donate money to poor areas. A.poor 5 8年级下册北师大版 【Unit6 Detectives】 词义辨析及同义替换精讲 B.wealthy C.small 10.-plays an important role in shaping a person's future and character. A.Education B.Money C.Time 二、根据句意及首字母提示填空 1.The weather report says the temperature will drop to 5 dbelow zero tomorrow. 2.Her explanation was so vthat no one could understand her plan. 3.We have made great progress in English L because our teacher uses many games in class. 4.My father bought a new car r,so we can drive to the countryside this weekend. 5.The artist's works are full of imagination and ca wonderful world for the viewers. 6.This area used to be very p_but now it has become a wealthy city with many tall buildings. 三、用所给单词的适当形式填空 1.The storyteller has a_(humor)way of speaking,which makes children love his stories. 2.Water boils at 100(degree)Celsius at sea level. 3.The instructions on the medicine bottle are(unclear),so I asked the doctor for help. 4.My sister_(recent)started learning painting and has already finished three works. 5.It's(possible)to finish the project in two days without more people. 6.-(exact)speaking,there are 365 days in a common year and 366 in a leap year. 7.The little girl is(thirst)for knowledge and reads books every night before bed. 8.Edison was a great inventor who_(create)over 1,000 inventions in his life. 四、完成句子（每空一词） 1.在某种程度上，他的成功得益于他父母的支持。 his success was due to his parents'support. 6 8年级下册北师大版 【Unit6 Detectives】. 词义辨析及同义替换精讲 2.这位科学家最近在环境研究方面取得了新进展。 The scientist has made new progress in environmental research_ 3.她渴望得到父母的认可，所以努力学习各门功课。 She_her parents'approval,so she studies all subjects hard. 4.老师鼓励我们从无到有地创作自己的故事，而不是抄袭别人的。 The teacher encourages us to_our own stories from nothing instead of copying others' 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。 Jane is a 14-year-old student.She used to be shy and often kept silent in class.(1)-(Re- cently/Lately),she has changed a lot.Last month,her class had a talent show.Jane loves drawing,so she decided to(2)(create/make)a comic strip about school life.She spent three weeks working on it and finally finished it. On the day of the show,Jane was nervous.She thought her comic might be(3)-(unclear/vague)and no one would understand it.However,when she showed it to the class,everyone laughed happily- the story was so(4)-(humorous/funny)!Her teacher praised her,saying,"Jane,this is a wonderful work.You have a real talent for art.I'm sure you can get a_(degree/level)in fine arts in the future if you keep practicing." Jane felt very happy.She realized that(5)-(education/schooling)is not just about books,but also about discovering and developing one's talents.Now,she is more confident and often shares her works with others.She says,"(6)(Exactly/Actually),being brave to trynew things is the first step to success.” 参考答案 I单项选择 1B2.A3B4.A5.B6.A7.B8.A9B10.A Ⅱ.根据句意及首字母提示填空 1.degrees 2.vague 3.lately 4.recently 5.create 6.p0o1 L用所给单词的适当形式填空 1.humorous 2.degrees 3.unclear 4.recently 5.impossible 6.Exactly 7.thirsty 8.cre- ated > 8年级下册北师大版 【Unit6 Detectives】 词义辨析及同义替换精讲 V.完成句子 1.To some degree 2.recently 3.is thirsty for 4.create V.语篇填空 1.Recently 2.create 3.unclear 4.humorous 5.education 6.Actually P