Unit 2 单词讲解课件 2025-2026学年沪教版（2024）八年级英语上册

2025秋沪教版 八年级上 Unit 2 Amazing Numbers flight /flaɪt/ n. （尤指乘飞机的）航程 例句：I missed my flight to Paris yesterday. 搭配： book a flight 预订航班 flight number 航班号 flight attendant 空乘人员 schedule /ˈʃedjuːl/ n. 日程安排 例句：I need to check my schedule to see if I’m free tomorrow. 搭配： flight schedule 航班时刻表 everywhere /'evriweə(r)/ adv. 到处；各个地方 例句：There were people everywhere at the festival. challenge /ˈtʃælɪndʒ/ v. 向（某人）挑战 例句：She challenged me to a game of chess. 搭配： challenge sb. to sth. 向…… 挑战 用法： 作名词：challenge（可数名词）挑战 e.g. Starting a new business will be a big challenge. 变形：challenger n. 挑战者 challenging adj. 有挑战性的 prize /praɪz/ n. 奖赏；奖励 例句：She won first prize in the piano competition. 搭配： win a prize 获奖 first/second/third prize 一 / 二 / 三等奖 promise /ˈprɒmɪs/ v. 承诺；保证 例句：He promised me a new bike for my birthday. 搭配： promise sb. sth. 向某人承诺某物 promise to do sth. 承诺做某事 用法： 作名词：promise 承诺；诺言 可数名词 keep a promise 信守诺言 break a promise 违背诺言 make a promise 作出承诺 chessboard /ˈtʃesbɔːd/ n. 国际象棋棋盘 例句：He placed the king in the center of the chessboard. 拓展： chess n. 国际象棋 play chess 下国际象棋 silver /ˈsɪlvə(r)/ n. 银 例句：The ring is made of pure silver. 用法： 作形容词：silver 银色的；银制的 e.g. She bought a silver necklace yesterday. reply /rɪˈplaɪ/ v. 回复；答复 例句：He refused to reply the question. 搭配： reply to 后接 “人、信件、消息” 等回应的对象 e.g. She replied to my email this morning. 用法： 作名词：reply 回答；回复；回应 e.g. I’m still waiting for a reply to my letter. hesitation /ˌhezɪˈteɪʃn/ n. 犹豫 例句：She agreed to the plan without hesitation. 搭配： without hesitation 毫不犹豫地 变形： hesitate 犹豫；迟疑 e.g. She hesitated before knocking on the door. hesitate to do sth. 对做某事犹豫 wonder /ˈwʌndə(r)/ v. 想知道；琢磨 例句：I wonder where she is now. 用法： wonder+疑问词+从句 e.g. I wonder what time the train leaves. wonder + 疑问词 + to do e.g. She wondered how to explain the situation. agree /əˈɡriː/ v. 同意；赞成 例句：I agree with your decision. 搭配： agree with 指同意某人的看法或观点（强调与某人意见一致） e.g. He agreed with his father on the travel plan. agree to do sth. 同意做某事 e.g. He agreed to help me with my homework. 变形：disagree v. 不同意 agreement n. 同意；赞同 percent /pəˈsent/ n. 百分之............ 例句：Thirty percent of the students passed the exam. 搭配： percent of + 名词 表示 “…… 中的百分之……” e.g. 20 percent of the water is polluted. currently /ˈkʌrəntli/ adv. 目前；当前 例句：She is currently working on a new novel. 变形： →current adj. 当前的；现在的；流行的 e.g. What is your current address? check [tʃek] v. 检查，核实 例句：She checked the list to make sure no names were missing. 拓展： check in 报到；(旅馆，机场等）登记 check out 结清账离开 check up 检验 budget /ˈbʌdʒɪt/ n. 预算 例句：The project was canceled because it went over budget. 搭配： make a monthly budget 制定月度预算 用法： budget v. 做预算；规划开支 e.g. We need to budget carefully for our trip to Europe. province /ˈprɒvɪns/ n. 省份 例句：Zhejiang Province is located in the east of China. sharply /ˈʃɑːpli/ adv. 急剧地；突然; 大幅度地 例句：House prices have risen sharply in the past year. 搭配： rise/fall sharply 急剧上升 / 下降 变形： →sharp adj. 锋利的；尖锐的;（声音）尖锐的；刺耳的; 急剧的；大幅度的 e.g. This knife is very sharp—be careful not to cut yourself. count /kaʊnt/ v. 计算（或清点）总数 例句：She can count from 1 to 100 in English. 搭配： count on 依赖；指望（= rely on） count in 把…… 算进去 count out 不把…… 算在内；数出（具体数量） system /ˈsɪstəm/ n. 系统 例句：The computer’s operating system needs to be updated. symbol /ˈsɪmbl/ n. 符号；记号 例句：In mathematics, “+” is the symbol for addition. 用法： symbol n. 象征；标志 e.g. The dove is a symbol of peace. a symbol of ...的象征/标志 represent /ˌreprɪˈzent/ v. 代表 例句：She will represent our company at the conference. 变形： representation（名词）代表；表现；描述 representative（形容词 / 名词）典型的；有代表性的；代表 exactly /ɪɡˈzæktli/ adv. 准确地；确切地 例句：The train arrives at exactly 3:15 p.m. 变形： →exact adj. 精确的；准确的；确切的 e.g. Please give me the exact time of the meeting. flight schedule 航班时刻表 例句：You can check the flight schedule on the airport’s official website to see if your flight is on time. 搭配： flight number 航班号 flight attendant 空乘人员 price tag 价格标签 例句：The price tag on this shirt says $29.99, but it’s on sale for $19.99. for a moment 片刻；一会儿 例句：Wait for a moment—I need to grab my coat. 拓展： at the moment 此时此刻 in a moment 立刻；马上（强调即将发生） without hesitation 毫不犹豫 例句：She agreed to the plan without hesitation. 拓展： hesitate 犹豫；迟疑 e.g. She hesitated before knocking on the door. hesitate to do sth. 对做某事犹豫 go up 上升 例句：When demand increases, prices usually go up. 用法： 指数量、价格、水平、温度等向上提升，与 “go down”（下降）相对。 go down 下降 例句：The temperature will go down by 3 degrees tonight. 用法： 指数量、价格、水平、温度等向下变动，与 “go up”（上升）相对。 write down 写下；记下 wrote 过去式 例句：Please write down your name and phone number on the form. instead of 代替；作为...........的替换 例句：I’ll have tea instead of coffee.。 用法： instead of 是介词短语，后面必须接宾语（名词、代词、动名词等），不能单独使用。 instead 是副词，意为 “代替；反而”，常放在句末或句首（用逗号隔开），不接宾语。 e.g. I didn’t buy a pen. I bought a book instead. $$