Unit 2 Traveling in China-2025-2026学年七年级下册英语词汇变形及词缀精讲（教科版）

7年级下册教科版 【寒假专版】 ，E版词汇变形及词缀精讲 寒假专版 【Unit2】Traveling in China 词汇变形及词缀精讲 全部单元单词 airport/'eapt/n.机场：航空港地方；无论何处 的：必需的：必然的 arrival/a'raIv/n.到达；抵达；timetable/tarmterbl/n.时刻表；excuse/k'skju:z/v.原谅；宽恕： 到达者 时间表 为…辩解k'skju:s/n.借口： round trip /raond trip/短语往返guide/gad/n.导游；向导；指理由；原谅 旅行：往返程 南v.引导：指导 cost/kDst/V.(cost,cost)花费；使 one way /wAn we/短语单程的 slipper/'slipa(r)/n.拖鞋 付出n.费用：成本；代价 traffic/'traefik/n.交通；交通量dining car/'dam训ka:r)/短语 foreigner/'fprana()/n.外国人 餐车 anywhere/'eniwea(r)/adv.任何necessary/'nesasari/adj.必要 词汇变形及词缀精讲 1.arrival /a'rarv/n.到达：抵达：到达者 动词形式：arrive 构词解析： 后缀-l:加在动词后，构成名词，表”动作、状态或结果”。 同类词：refusal(拒绝)←-refuse(拒绝)、approval(批准)←-approve(批准) 例句：We waited for the arrival of the train at the station 真题链接（教科版7下同步练习）：They were excited at the (arrive)of their new teacher. 案：arrival) 2.foreigner/'fpran3()/n.外国人 形容词形式：foreign 构词解析： 前缀fore-:表”在前面、外部”：后缀-er:加在形容词后，表”…的人”。 同类词：stranger(陌生人)←-strange(奇怪的)、teacher(教师)←-teach(教) 例句：My pen pal is a foreigner from Canada 真题链接（教科版7下教材例句）：Many foreigners visit the Great Wall every year. 3.anywhere/'eniwea(r)/adv.任何地方；无论何处 7年级下册教科版 【寒假专版】 ,E版词汇变形及词缀精讲 肯定句对应词：somewhere(某个地方) 否定句/疑问句对应词：nowhere(无处) 构词解析： 前缀any-:表”任何’；词根where:表”哪里”。 同类词：anyone(任何人)、anything（任何事物) 例句：You can sit anywhere you like in the classroom. 真题链接（教科版7下同步练习）：Ican't find my key(somewhere).Did you see it?(答案： anywhere 4.necessary/nesasari/adj.必要的；必需的；必然的 名词形式：necessity 副词形式：necessarily 构词解析： 前缀ne-:表”不”；词根cess:表”走”；后缀-ay:构成形容词，表…的”。 同类词：ordinary(普通的)、primary(初级的) 例句：It's necessary to drink enough water every day. 真题链接（教科版7下同步练习）：Isit__(necessarily)to finish the work today?(答案：necessary) 5.excuse/k'skju:z/v.原谅；宽恕；为…辩解k'skju:s/n.借口；理由；原谅 形容词形式：excused（被原谅的) 构词解析： 前缀ex-:表”出、离开”；词根c1se:表”指责”；后缀-e:构成动词或名词。 例句：Please excuse me for being late.(动词)/He made an excuse for his absence.（名词) 真题链接（教科版7下教材例句)：Excuse me,.where is the nearest post office? 6.c0 st /kost/V.(cost,cost)花费；使付出n.费用：成本；代价 过去式/过去分词：c0st(不规则变化) 构词解析： 词根c0st:表”花费、成本”，可作动词或名词。 固定搭配：cost sb.some money(花费某人多少钱) 例句：The book cost me20yuan.(动词)/The cost of living is high in big cities.(名词) 真题链接（教科版7下同步练习）：This shirt(cost)himl00 yuan yesterday.（答案：cost) 7.guide/gaId/n.导游：向导：指南v.引导：指导 名词形式：guidance(指导，不可数) 形容词形式：guided(有指导的) 构词解析： 词根guide:表”引导”，可作动词或名词：后缀-ance:构成名词，表”动作或状态。 例句：The guide showed us around the museum.(名词)/He guided the child across the street.(动词) 真题链接（教科版7下教材例句）：We need a tour guide to help us visit the city. 8.dangerous/'dend3rs/adj.危险的 7年级下册教科版 【寒假专版】E版词汇变形及词缀精讲 名词形式： danger 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：famous(著名的)、nervous(紧张的) 例句：It's dangerous to play in the street. 真题链接（教科版7下同步练习）：Swimming in the river is (danger).You must be careful. 案：dangerous) 综合训练 一、 根据句意及汉语提示完成单词 6.We are waiting for the (到达of the bus at the stop 7.Many (外国人)come to visit the Summer Palace every year. 8.You can sit (任何地方)you like in the park 9.It's (必要的)to learn a foreign language well.. 10.The tour (导游)will show us around the museum tomorrow. 二、用所给单词的适当形式填空 6.The (arrive)of the new teacher made the students excited.(arrive) 7.My uncle is a(foreign)from America.(foreign) 8.I can't find my English book(somewhere).Have you seen it?(somewhere) 9.Isit (necessarily)to finish the work before dinner?(necessarily) 10.This new bike (cost)me 500 yuan last week.(cost) 11.The teacher's (guide)helped me a lot with my study.(guide) 12.It's (danger)to swim in the deep river.(danger) 三、完成句子（每空一词） 1.他们对这位新老师的到来感到兴奋。 They were excited at the of their new teacher. 2.每天喝足够的水是必要的。 It's to drink enough water every day. 3 7年级下册教科版 【寒假专版】E版词汇变形及词缀精讲 3.这本书花了我30元。 The book me 30 yuan 4.在街上玩耍是危险的。 It's to play in the street. 5.请原谅我迟到了。 Please me for being late. 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。 Last week,I went to Beijing with my parents.We waited for the (arrive)of the train at the station early in the morning.On the train,I met a(foreign)from Canada.He couldn't speak Chinese well,so I tried to(guide)him.When we arrived in Beijing,we needed a tour (guide)to show us around.The guide told us that it's(necessary)to book tickets for the Great Wall in advance.We also learned that climbing the Great Wall alone can be(danger).During the trip,I lost my key and looked for it(somewhere),but I couldn't find it.My dad said, "Don't worry.Maybe we can find it back."In the end,a kind man found it and returned it to us.I said,” (excuse)me,thank you so much!"The trip was great,and the (cost)was not too high. 参考答案 I根据句意及汉语提示完成单词 6.arrival 7.foreigners 8.anywhere 9.necessary 10.guide Ⅱ用所给单词的适当形式填空 6.arrival 7.foreigner 8.anywhere 9.necessary 10.cost 11.guidance 12.dangerous I.完成句子 1.arrival 2.necessary 3.cost 4.dangerous 5.excuse V.语篇填空 1.arrival 2.foreigner 3.guide 4.guide 5.necessary 6.dangerous 7.anywhere 8 Excuse 9.cost 4