Unit 5 Humans and Nature Lesson 1-2025-2026学年高中英语词义辨析及同义替换精讲必修第二册（北师大版）

高中英语北师大版 【必修2】 Unit5词义辨析及同义替换精讲 核心词汇精讲 【Unit5】Humans and Nature Lesson 1 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 whirlpool/'w3lpu/n.旋涡 poey/'pavatri/n.诗歌：作诗的 事快要发生 wave /werv/n.海浪；波涛 艺术 *barrel/.'ber3/n.桶 escape/I'skep/vi.&t.逃离：逃 *mystery/mistri/n.神秘事物，curious/'kjoarias/adj.好奇的 避 难以理解的事物 observation /.pbza'verfn/n. survive/sa'vaIv/vi.&t.活下 soul/sa5/n.灵魂 察；观察结果 来：幸存 frightened/'fraitnd/adj.受惊的，equal/'i:kwal/adj.相等的：相同 *float /flaut/vi.浮；漂 害怕的 的 file /farl/n.档案，卷宗 horrible/'hprab/adj.可怕的，吓 extent/k'stent/n.面积：长度：范 *descent/d'sent/n.下降，下落人的，令人恐惧的 围：程度 *tidal/'taId/adj.潮汐的，潮水edge/ed3/n.边缘 tube /tju:b/n.圆管，管子；（伦 的 on the edge of在…边缘；某敦)地铁 词义辨析及同义替换 1.escape/I'skep/vi.&t.逃离；逃避 词义辨析： esc即：侧重从危险、困境或束缚中”逃脱”，可作及物动词（接具体对象）或不及物动词（后接 fiom短语)。 flee:强调”迅速逃跑”，动作性更强，常指因恐惧或紧急情况而逃离，不及物动词，后接from时 可接地点。 同义替换： flee,get away 例句： The prisoners managed to escape from the jail last night. 真题链接：（北师大版高中必修2同步练习） Many people tried to from the burning building. A.escape B.survive C.float (答案：A) 高中英语北师大版 【必修2】 Unit5词义辨析及同义替换精讲 2.survive/sa'vaIv/vi.&t.活下来；幸存 词义辨析： uvve:指在灾难、疾病或困难中”幸存，可直接接宾语（表示”比…活得久”），或作不及物 动词（表示”存活”）。 live:泛指”活着”，强调生命状态，不侧重经历危险后的幸存。 同义替换： remain alive,pull through 例句： Only a few people survived the plane crash. 真题链接：（北师大版高中必修2单元检测） After the earthquake,it was reported that only 50 peoplein the village A.escaped B.survived C.lived(答案：B) 3.f1oat/flat/vi.浮；漂 词义辨析： float:指物体在液体或气体中”漂浮”，强调浮力作用，不主动移动。 dift:侧重”漂流”，指随水流或气流自然移动，无固定方向。 同义替换： drift,stay on the surface 例句： The wooden boat floated gently on the lake. 真题链接：（北师大版高中必修2配套练习） Leaves_on the water when the wind stopped. A.flew B.floated C.sank (答案：B) 4.curious/kjoarias/adj.好奇的 词义辨析： curious:强调对未知事物”好奇的”，常与about连用，褒义。 inquisitive:侧重”过分好奇的'，含贬义，指好打听他人私事。 同义替换： inquisitive,eager to know 例句： The child is curious about everything around him. 真题链接：（北师大版高中必修2同步练习） She has a mind and always asks lots of questions in class A.curious B.frightened C.silent(答案：A) 5.edge/ed3n.边缘 2 高中英语北师大版 【必修2】 Unit5词义辨析及同义替换精讲 词义辨析： edge:指物体的”边缘”，如桌子边缘、悬崖边缘，可引申为”（某事的）临界点”。 border:侧重”边界、边境”，指两国或两地的分界线。 同义替换： brink.border 例句： He stood at the edge of the cliff and looked down 真题链接：（北师大版高中必修2单元测试） The village is located on theof the forest. A.edge B.center C.bottom (答案：A) 6.equal/'ikwa/adj.相等的；相同的 词义辨析： equl:指数量、大小、程度等”相等的”，后接介词to,可作动词（等于）。 same:强调”完全相同的”，前面需加定冠词the,常与as连用。 同义替换： identical,equivalent 例句： Two plus two equals four./All men are equal in rights. 真题链接：（北师大版高中必修2配套练习） The two boxes are ofweight. A.equal B.different C.heavy (答案：A) 7.horrible/hprabl/adj.可怕的，吓人的 词义辨析： horrible:指因残忍、恐怖而引起”恐惧或厌恶”，语气较强。 terrible:含义更广，可指”可怕的、糟糕的”，强调程度严重，口语中常用。 同义替换： terrible,frightening 例句： What a horrible accident!Many people were injured. 真题链接：（北师大版高中必修2同步练习） The movie was so that I couldn't watch it till the end. A.funny B.horrible C.boring (答案：B) 8.frightened/'fraitnd/adj.受惊的，害怕的 词义辨析： frightened:指人因外界威胁而”感到害怕的'，主语是人，常与of连用。 frightening:指事物”令人害怕的”，主语是物。 高中英语北师大版 【必修2】 Unit5词义辨析及同义替换精讲 同义替换： scared,afraid 例句： The little girl was frightened by the big dog. 真题链接：（北师大版高中必修2单元检测） She looked_when she heard the strange noise. A.excited B.frightened C.interested (答案：B) 9.observation/Dbz'veIn/n.观察；观察结果 词义辨析： observation:指”观察行为”或”观察到的结果”，名词，强调系统性。 notice:侧重”注意到'，瞬间的感知，可作动词或名词。 同义替换： watch,notice 例句： The scientist made an important observation during the experiment. 真题链接：（北师大版高中必修2配套练习） Careful_is necessary for scientific research. A.observation B.imagination C.invention (答案：A) 10.mystery/'mIstri//n.神秘事物，难以理解的事物 词义辨析： ysty:指”未解之谜、神秘现象”，侧重难以解释的事物。 puzzle:指”难题、谜”，侧重需要思考才能解决的问题或困惑。 同义替换： enigma,puzzle 例句： The origin of the universe is still a mystery. 真题链接：（北师大版高中必修2同步练习） The old house has manystories that people can't explain. A.funny B.mystery C.mysterious(答案：B) 11.on the edge of在…边缘；某事快要发生 词义辨析： on the edge of:指空间上”在…边缘”，或抽象意义上”濒临（不好的事）”。 on the brink of:侧重”濒临（重大事件)”，如灾难、危机等，语气更紧迫。 同义替换： on the brink of,about to 4 高中英语北师大版 【必修2】 Unit5词义辨析及同义替换精讲 例句： The company is on the edge of bankruptcy. 真题链接：（北师大版高中必修2单元测试） The village is the desert,so water is very precious. A.on the edge of B.in the middle of C.far from (答案：A) 12.tube/jub/n.圆管，管子；（伦敦）地铁 词义辨析： tube:英式英语中可指地铁”(underground),也指”管子”。 ppe:侧重”管道”，用于输送液体或气体，如水管、煤气管。 同义替换： pipe,subway(美式) 例句： We took the tube to downtown London yesterday. 真题链接：（北师大版高中必修2配套阅读） In London,people often call the underground"the" A.pipe B.tube C.train (答案：B) 综合演练 综合练习 一、 单项选择 1.After the fire,only three peoplefrom the building. A.escaped B.survived C.floated 2.The little boy is__about the stars and often reads books about space A.curious B.frightened C.silent 3.The village is located on the_of the mountain,with a beautiful view below. A.edge B.center C.bottom 4.My brother and I haveheight,so we can share clothes sometimes. 高中英语北师大版 【必修2】 Unit5词义辨析及同义替换精讲 A.equal B.different C.heavy 5.The movie was so_that many viewers covered their eyes in fear. A.funny B.horrible C.boring 6.She lookedwhen she saw the big snake in the garden. A.excited B.frightened C.interested 7.In London,people usually take the-to travel around the city quickly. A.pipe B.tube C.train 8.Careful is important for studying wildlife in their natural habitat. A.observation B.imagination C.invention 二、根据句意及汉语提示完成单词 l.The_(神秘事物)of the ancient pyramid has interested scientists for years. 2.Leaves()on the water when the wind stops blowing. 3.It's dangerous to stand on the()of the cliff without safety measures. 4.All students should have_(平等t的)opportunities to get education, 5.The_(可t怕的)storm destroyed many houses in the small town last night.. 6.The child was_(好奇的)about how the machine worked. 三、用所给单词的适当形式填空 1.The ship(float)on the sea for three days before it was found. 2.She is a_(frighten)girl and always hides behind her mother in strangers'presence. 6 高中英语北师大版 【必修2】 Unit5词义辨析及同义替换精讲 3.His(observe)during the experiment helped him discover a new law of physics. 4.The two teams have-(equal)strength,so the match will be exciting. 5.The(mystery)disappearance of the hiker is still under investigation 四、完成句子 l.The old man_(从…幸存下来)the car accident last year 2.She stood_(在…边缘)the river,.watching the sunset quietly.. 3.Children are always(对…好奇)the world around them 4.The company is()bankruptcy if it doesn't change its business model. 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。 A group of tourists once visited a small village_(1)(on the edge of/in the middle of)a forest.One night,a sudden fire broke out and spread quickly.People tried to_(2)(escape/survive)from their houses,but the smoke was too thick.A young man-(3)(frightened/frightening)by the flames,buthe still helped others to safety.After the fire,only a few houses(4)(survived/escaped).The villagers were sad but grateful to the young man.Later,a reporter came to make an_(5)(observation/notice) of the disaster.She wrote that the villagers'courage was no(6)(mystery/puzzle)-it came from their care for each other 参考答案 I.单项选择 1.B2.A 3.A4.A5.B6B7.B8.A Ⅱ.根据句意及汉语提示完成单词 1.mystery 2.float 3.edge 4.equal 5.horrible 6.curious I.用所给单词的适当形式填空 1.floated 2.frightened 3.observation 4.equal 5.mysterious V.完成句子 1.survived 2.on the edge of 3.curious about 4.on the edge of 7 高中英语北师大版 【必修2】 Unit5词义辨析及同义替换精讲 V语篇填空 1.on the edge of 2.escape 3.was frightened 4.survived 5.observation 6.mystery 8