Unit 2 Amazing numbers-2025-2026学年八年级上学期期末英语词汇复习（沪教版）

期末词汇复习 8上·新沪教版·Unit2 Amazingnumbers 一、 重点单词详解 1:challenge 一、 核心考点 词性：名词(n.)/动词(v) 核心义：n.挑战：难题：t.向（某人）挑战：对…提出质疑 二、必记搭配与例句 challenge sb.to sth.(向某人挑战做某事)：He challenged me to a game of chess. face a challenge(面临挑战)：We need to face the challenge bravely.. 重点派生词：challenging(形容词)：a challenging task(一项有挑战性的任务) 2:promise 一、 核心考点 词性：动词(v.)/名词(n.) 核心义：v,承诺；保证；n.承诺；诺言 二、必记搭配与例句 promise to do sth.(承诺做某事)：She promised to help me keep a promise(遵守诺言)：We should keep our promises. 重点派生词：promising（形容词)：a promising student（一个有前途的学生) 3:hesitation 、核心考点 词性：名词(n.) 核心义：n.犹豫；迟疑 二、 必记搭配与例句 without hesitation(毫不犹豫)：He agreed without hesitation. have hesitation in doing sth.（做某事有犹豫)：She had no hesitation in accepting.. 重点派生词：hesitate(动词)：hesitate to do sth.（犹豫做某事) 4:currently 一、核心考点 词性：副词(adv.) 核心义：adv.目前：当前 二、必记搭配与例句 currently doing sth.（目前正在做某事)：He is currently working on a project.. 三、重点派生词 cent（形容词)：current situation（当前形势)：名词(n.):electric current（电流) 5:sharply 一、核心考点 词性：副词(adv.) 核心义：adv.急剧地；突然大幅度地 二、必记搭配与例句 ise/fall sharply(急上升/下降)：Prices rose sharply last month, 三、 重点派生词 shap(形容词)：a sharp knife(一把锋利的刀)：副词(adv.):turn sharp left(向左急转) 6:represent 一、 核心考点 词性：动词(v.) 核心义：v.代表；象征 二、必记搭配与例句 represent sth.(代表某物)：The red color represents luck in China. represent sb.（代表某人)：He will represent our class in the meeting. 、 重点派生词 1 representation(名词)：a representation of nature(对自然的描绘)；representative(名词)： a representative of the company(公司代表) 7:exactly 一、核心考点 词性：副词(adv,) 核心义：adv.准确地；确切地；正是如此 二、必记搭配与例句 exactly right（完全正确)：Your answer is exactly right. exactly when/where（确切地何时/何地)：Tell me exactly when you arrived. 三、 重点派生词 exact（形容词)：the exact time(确切时间) 8:schedule 一、 核心考点 词性：名词(n.);动词(v) 核心义：n.日程安排；计划表；v安排；预定 二、必记搭配与例句 flight schedule(航班时刻表)：Check the flight schedule before you go, schedule to do sth.(安排做某事)：The meeting is scheduled to start at3pm 必记短语：on schedule(按计划)：The project was completed on schedule.. 9:budget 一、核心考点 词性：名词(n.);动词(v.) 核心义：n.预算；v.编制预算 二、必记搭配与例句 make a budget(做预算)：We should make a budget for our trip budget for sth.（为某事编预算)：They budgeted for a new car. 10:system 、 核心考点 词性：名词(n.) 核心义：n.系统；体系；制度 二、 必记搭配与例句 computer system（计算机系统)：The computer system crashed yesterday a system of sth.(…的体系)：a system of education(教育体系) 三、重点派生词 systematic(形容词)：systematic study(系统的学习) 11:wonder 一、 核心考点 词性：动词(v.);名词(n) 核心义：v.想知道；对…感到惊讶；n.奇迹；奇观 一、 必记搭配与例句 wonder+疑问词+从句（想知道…）：I wonder where he is. No wonder(难怪)：No wonder you are tired,you worked all day. 三、重点派生词 wonderful（形容词)：a wonderful day（美好的一天) 12:reply 一、 核心考点 词性：动词(v.);名词(n.) 核心义：v.回复；答复：n.回复；答复 二、 必记搭配与例句 reply to(▣复…)：Please reply to my email soon. make a reply（做出▣复)：He made no reply to my question.. 三、辨析 1eply(较正式，后接to);answer(常用，直接接宾语)：answer the phone(接电话) 13:count 一、 核心考点 词性：动词(v.);名词(n) 核心义：v.计算总数；把…算入；n.总数；计数 二、必记搭配与例句 count from...to..（从…数到…)：Count from1to10. count on（依靠；指望)：You can count on me. 重点短语：count down(倒计时)：We are counting down the days. 14:symbol 一、核心考点 词性：名词(n.) 核心义：n.符号；记号；象征 二、必记搭配与例句 a symbol of(…的象征)：The dove is a symbol of peace. 三、重点派生词 symbolize(动词)：The red1 ose symbolizes love. 15:agree 一、 核心考点 词性：动词(v.) 核心义：同意：赞成 二、必记搭配与例句 agree with sb.(同意某人)：I agree with you agree to do sth.（同意做某事)：She agreed to come early. agree on sth.(就某事达成一致)：We agreed on the plan, 三、重点派生词 agreement(名词)：reach an agreement(达成协议)；disagree（反义词，不同意) 二、词汇巩固练习 (一)单项选择(10题) 1.We need to face the bravely and try our best to solve it. A)challenge B)promise C)hesitation D)symbol 2.My mother to buy me a new bike if I pass the exam A)wonders B)promises C)represents D)hesitates 3.He agreed to help us hesitation A)with B)for C)without D)in 4.The company is working on a new project to improve its products. A)exactly B)currently C)sharply D)systematically 5.Prices of vegetables rose because of the bad weather last week. A)sharply B)exactly C)currently D)wonderfully 6.The red flag courage and loyalty in many countries. A)counts B)wonders C)represents D)schedules 7.Can you tell me when the train will arrive?I need to pick up my friend. A)exactly B)sharply C)currently D)systematically 8.The meeting is to start at 2 p.m.tomorrow,so please arrive on time. A)budgeted B)scheduled C)represented D)agreed 9.We should for our monthly expenses to avoid overspending. A)make a budget B)keep a promise C)face a challenge D)count down 10.The computer crashed yesterday,and we lost some important files. A)system B)schedule C)budget D)symbol (二)根据提示补全句子(10题) 1.This task is very (challenge).We need to work hard to finish it. 2.She is a. (promise)student and always gets good grades. 3.Don't (hesitation)to ask for help if you don't understand the question. 4.What's the (current)situation of the project?Have we made progress? 5.The knife is very (sharply).Be careful when using it. 6.His (represent)of the team at the meeting was highly praised. 7.We need to find the (exact)time of the accident to report to the police. 8.The project was completed (schedule),which made the manager very happy. (三)首字母填空(10题) 1.The doveis a s of peace and friendship. 2.Iw where he went yesterday.He didn't come to school. 3.Please r to my email as soon as possible.I need your reply by Friday. 4.We are c down the days before the summer holiday. 5.After a long discussion,we a on the plan to visit the museum next Sunday. (四)答案与解析 1.单项选择答案：A B C BA CAB AA 2.补全句子答案： 1.challenging 2.promising 3.hesitate 4.current 5.sharp 6.representation 7.exact 8.on schedule 3.首字母填空答案： 1.symbol 2.wonder 3.reply 4.counting 5.agreed 英语词汇复习手册·8上·新沪教版·Unit2 Amazing numbers