Unit 8 Imagine that! 单词讲解课件2025-2026学年沪教版八年级英语下册

Unit 8 Imagine that! 初中英语沪教版八年级下册单词讲解 Vocabulary mention /ˈmenʃn/ v. 提到；说到 tonight /təˈnaɪt/ adv. 在今夜；在今晚 frightened /ˈfraɪtnd/ adj. 受惊的；害怕的 throat /θrəʊt/ n. 咽喉；喉咙 cough /kɒf/ v. 咳嗽 fear /fɪə(r)/ n. 害怕；惧怕 ugly /ˈʌɡli/ adj. 丑陋的；难看的 crazy /ˈkreɪzi/ adj. 不理智的；疯狂的 refuse /rɪˈfjuːz/ v. 拒绝；回绝 emergency /ɪˈmɜːdʒənsi/ n. 紧急情况 camera /ˈkæmərə/ n. 照相机 tent /tent/ n. 帐篷；帐棚 Vocabulary unnecessary /ʌnˈnesəsəri/ adj. 不需要的；不必要的；多余的 whether /ˈweðə(r)/ conj. 是否 backward /ˈbækwəd/ adv. 朝反方向；倒着 disappoint /ˌdɪsəˈpɔɪnt/ v. 使失望 argue /ˈɑːɡjuː/ v. 争吵；争辩 — — — • Unit 8 • — — — Words and expressions mention /ˈmenʃn/ v. 提到；说到；提及 词性 变换 - mentioned adj. 提到的；提及的 - mention n. 提及；说起 短语 - mention sth. to sb. 向某人提及某事 - not to mention 更不用说 - as mentioned above 如上所述 例句 1. He mentioned that he would be late tonight. 他提到今晚他会迟到。 2. She didn't mention her plans for the weekend. 她没有提到她周末的计划。 tonight /təˈnaɪt/ adv. 在今夜；在今晚 n. 今晚；今夜 短语 - tonight's show 今晚的演出 - see you tonight 今晚见 例句 1. We are going to watch a movie tonight. 我们今晚打算看电影。 2. The party will be held at my house tonight. 派对今晚将在我家举行。 frightened /ˈfraɪtnd/ adj. 受惊的；害怕的 词性 变换 - frighten v. 使害怕；使惊恐 - frightening adj. 令人害怕的；可怕的 - fright n. 惊吓；恐怖 短语 - be frightened of 害怕…… - frightened look 惊恐的表情 例句 1. The little girl was frightened by the loud noise. 小女孩被巨大的噪音吓坏了。 2. He is frightened of dogs. 他害怕狗。 throat /θrəʊt/ n. 咽喉；喉咙；嗓音 词性 变换 - throaty adj. 沙哑的；低沉的 短语 - have a sore throat 喉咙痛 - clear one's throat 清嗓子 例句 1. She has a pain in her throat and can't speak. 她喉咙痛，说不了话。 2. The cold weather made his throat feel dry. 寒冷的天气让他的喉咙感到干燥。 cough /kɒf/ v. 咳嗽 n. 咳嗽；咳嗽声 词性 变换 - coughs v. 咳嗽 - coughed v. 咳嗽 短语 - have a cough 咳嗽 - cough up 咳出；勉强说出 例句 1. He coughed all night because of a cold. 他因为感冒咳嗽了一整晚。 2. The smoke made her cough. 烟让她咳嗽了起来。 fear /fɪə(r)/ n. 害怕；惧怕；担忧 v. 害怕；担心 词性 变换 - fearful adj. 害怕的；担心的 - fearless adj. 无畏的；大胆的 短语 - fear of sth. 对某事的恐惧 - in fear 恐惧地 - for fear of 唯恐；生怕 例句 1. She has a fear of the dark. 她害怕黑暗。 2. They moved quietly for fear of waking the baby. 他们轻轻走动，生怕吵醒婴儿。 ugly /ˈʌɡli/ adj. 丑陋的；难看的；令人不快的 词性 变换 - uglier adj. 更丑的 - ugliest adj. 最丑的 - ugliness n. 丑陋；难看 短语 - an ugly monster 丑陋的怪物 - ugly duckling 丑小鸭 例句 1. The story is about an ugly duckling that becomes a beautiful swan. 这个故事讲的是一只丑小鸭变成了美丽的天鹅。 2. The old building looks ugly next to the new ones. 那栋旧楼在新楼旁边显得很难看。 crazy /ˈkreɪzi/ adj. 不理智的；疯狂的；着迷的 词性 变换 - crazily adv. 疯狂地；狂热地 - craziness n. 疯狂；狂热 短语 - be crazy about 对……着迷 - go crazy 发疯；抓狂 例句 1. It's crazy to go out in this storm. 在这么大的暴风雨中出门简直是疯了。 2. She is crazy about rock music. 她对摇滚乐很着迷。 refuse /rɪˈfjuːz/ v. 拒绝；回绝；不愿做 词性 变换 - refusal n. 拒绝；回绝 - refused adj. 被拒绝的 短语 - refuse to do sth. 拒绝做某事 - refuse sb.'s offer 拒绝某人的提议 例句 1. He refused to help us, even though he had time. 即使他有时间，也拒绝帮助我们。 2. She refused the invitation to the party. 她拒绝了派对的邀请。 emergency /ɪˈmɜːdʒənsi/ n. 紧急情况；突发事件 词性 变换 - emergent adj. 紧急的；突发的 短语 - in an emergency 在紧急情况下 - emergency room 急诊室 例句 1. Call this number in case of an emergency. 紧急情况请拨打这个号码。 2. The plane made an emergency landing because of engine trouble. 飞机因发动机故障紧急降落。 camera /ˈkæmərə/ n. 照相机；摄影机 词性 变换 - camera-ready adj. 可拍摄的；就绪的 短语 - digital camera 数码相机 - take photos with a camera 用相机拍照 例句 1. He took a camera with him to take photos on the trip. 他带了相机，打算在旅行中拍照。 2. The security camera caught the thief on tape. 监控摄像头拍下了小偷的画面。 tent /tent/ n. 帐篷；帐棚 v. 住帐篷；宿营 词性 变换 - tent-like adj. 帐篷状的 短语 - pitch a tent 搭帐篷 - camping tent 露营帐篷 例句 1. They set up their tent near the lake. 他们在湖边搭起了帐篷。 2. We slept in a tent during our camping trip. 露营时我们睡在帐篷里。 unnecessary /ʌnˈnesəsəri/ adj. 不需要的；不必要的；多余的 词性 变换 - unnecessarily adv. 不必要地；多余地 - necessary adj. 必要的（反义） 短语 - unnecessary trouble 不必要的麻烦 - cut out unnecessary words 删除多余的词 例句 1. Don't ask unnecessary questions. 不要问不必要的问题。 2. It's unnecessary to spend so much money on clothes. 没必要在衣服上花这么多钱。 whether /ˈweðə(r)/ conj. 是否；不管……还是…… 短语 - whether...or... 是……还是…… - wonder whether 想知道是否 例句 1. I don't know whether he will come or not. 我不知道他会不会来。 2. Whether you like it or not, you have to do it. 不管你喜不喜欢，你都得做。 backward /ˈbækwəd/ adv. 朝反方向；倒着；向后 adj. 向后的；落后的 词性 变换 - backwards adv. 向后；倒着 短语 - walk backward 倒着走 - go backward 后退；倒退 例句 1. He looked backward to see if anyone was following him. 他回头看有没有人跟着他。 2. The car moved backward slowly. 车慢慢地向后退。 disappoint /ˌdɪsəˈpɔɪnt/ v. 使失望；使沮丧 词性 变换 - disappointed adj. 失望的；沮丧的 - disappointing adj. 令人失望的；扫兴的 - disappointment n. 失望；沮丧 短语 - disappoint sb. 让某人失望 - be disappointed with 对……感到失望 例句 1. She was disappointed when she failed the exam. 考试没及格，她很失望。 2. Don't disappoint your parents by giving up easily. 不要轻易放弃，让父母失望。 argue /ˈɑːɡjuː/ v. 争吵；争辩；争论 词性 变换 - argument n. 争论；争吵；论点 - argumentative adj. 爱争论的；好辩的 短语 - argue with sb. 和某人争吵 - argue about sth. 为某事争论 例句 1. They argued about where to go on holiday. 他们为去哪里度假而争吵。 2. It's not good to argue with your parents. 和父母吵架是不好的。 — — — • Unit 8 • — — — Exercises 一、根据句意及汉语或首字母提示完成单词。 请根据句意及所给提示填写正确的单词： 1. My t______ hurts, so I can't talk loudly. 2. Don't _______ (提及) this to anyone else, it's a secret. 3. We will have a big party at school _______ (在今晚). 4. She felt __________ (受惊的) when she saw the big dog. 5. He has a bad cold and keeps c________ all day. hroat mention tonight frightened oughing 一、根据句意及汉语或首字母提示完成单词。 6. The little girl has a f____ of the dark, so she sleeps with a light on. 7. That old house looks really u____ compared to the new ones. 8. It's c_____ to go swimming in such cold water. 9. He r_______ to accept the gift because he thought it was too expensive. 10. Please call this number in case of an e_________. ear gly razy efused mergency 二、用单词的适当形式填空 请用括号内所给单词的适当形式填空： 1. The loud noise __________ (frighten) the little baby. 2. The result was _____________ (disappoint), so no one was happy. 3. They ______ (argue) about where to eat last night. 4. Buying this expensive toy is ___________ (necessary) for a child. 5. He walked ________ (backward) slowly to avoid hitting the wall. frightened disappointing argued unnecessary backward 二、用单词的适当形式填空 6. I don't know _______ (whether) I should take the job or not. 7. The ________ (ugly) of the monster made the kids cry. 8. If you don't study hard, you will __________ (disappoint) your teachers. 9. Her ____ (fear) of spiders makes her scream whenever she sees one. 10. He _________ (mention) his new hobby in his speech yesterday. whether ugliness disappoint fear mentioned 三、选词填空 mention, disappoint, refuse, argue, emergency (请从方框中选择合适单词填入空格，每词限用一次) 1. Please _______ the important points in your report. 2. He _______ to help me because he was busy. 3. Don't _____ with your classmates over small things. 4. I don't want to __________ my parents, so I will try my best. 5. In case of an _________, press the red button immediately. mention refused argue disappoint emergency See You! $