Unit 7 Memory 课件 2024-2025学年沪教牛津版（广州沈阳通用）八年级英语上册

Unit 7 Memory Vocaburary&Grammar 八年级上册 本单元以“memory”为课题，考考同学们的memory 1. 写出形容词后缀含有ful的单词 2. 写出形容词后缀含有ly的单词 3. 写出形容词前缀含有un的单词 每个点至少写3个 1. memory n. 记忆；记忆力 例句：She has a good memory for names. 她对名字的记忆很好。词性转换： memorize v. 记忆，识记用法：short-term memory 短时记忆，瞬间记忆 long-term memory 长时记忆辨析：memorize，remember 都有“记住 ”的含义， 注意它们的区别： memorize 指有意识地下功夫把某事的整个细节都记在脑子里。 remember 多指无意识地回忆起往事，也可指通过主观努力去记忆。典例分析：用 memory 的适当形式填空I can’t the things for long. I wonder how to improve my . memorize memory 【词 汇 精 讲】 2. lose v. 丧失，丢失 (lose-lost-lost) 例句：When we make new memories, we lose old ones. 当我们创造新的记忆时，我们就会失去旧的记忆。词性转换： loser n. 损失者，输家 用法：lose one’s temper 发脾气典例分析：用 lose 的适当形式填空(1) She (lose) her temper and started shouting at them.(2) A good (lose) is a person who doesn’t get upset if he or she loses. lost loser 3. improve v. 改善 例句：They have written the short articles to help students improve their memory. 他们写了一些短篇文章来帮助学生提高记忆力。词性转换： improvement n. 改进；改善典例分析：用 improve 的适当形式填空(1) He tries (improve) his health by eating more fruit.(2) This is a great (improve) on your work. to improve improvement 4. worth adj. 值得，有价值例句：It’s not worth getting angry with him. 这并不值得对他生气。词性转换： worthless adj. 无价值的用法：be worth doing something 值得做某事典例分析：(1) He’s decided to get a look at the house and see if(是否) it is worth (buy).(2) The jewels he sold us turned out to be completely (worth). buying worthless 5. trouble n. 麻烦，困难 v. 麻烦，给……添麻烦例句：You may have trouble remembering the list of steps in the water cycle. 你可能很难记住水循环中的步骤列表。 I am sorry to trouble you, but can you tell me the way to the post office? 我很抱歉打扰你，但你能告诉我去邮局的路吗？用法：have trouble doing something 做某事有麻烦 have trouble with sth. 因某事而苦恼 be in trouble 处于麻烦中典例分析：(1) They had trouble (operate) this new machine.(2) He has trouble maths. operating with 6. similar adj. 相似的；类似的 例句：The two products look quite similar. 这两种产品看起来非常相似。用法：be similar to 和……相似 be similar in 在……方面相像典例分析：(1) The two designs size and color.(2) His thought mine. are similar in is similar to 用所给词的适当形式填空 1. Can you tell me how (improve) my memory?2. The film is wonderful. It is worth (watch) twice.3. How many (letter) are there in the long sentence?4. Lily is very young and she has trouble in (spell) the word.5. It’s not easy for me to remember (everyone) name at the party. to improve watching letters spelling everyone’s 课堂训练 一、if引导的条件状语从句 在if引导的条件状语从句中，如果从句谈论的是一个有可能发生的 事实及其产生的相关结果，从句用一般现在时态，主句用一般将来 时态。（主将从现）如： If he comes to the party, everyone will be happy. 如果他来参加聚会，大家都会很开心的。 He will help you if you ask him． 如果你请他帮忙，他会帮你的。 【语 法 精 讲】 如果if条件句谈论的是一种真理或客观事实时，主句和从句均使用 一般现在时。如： The room becomes dark if you turn off the lamp. 如果你关灯，房间里就一片漆黑。 If you take a fish out of water, it dies. 如果你让鱼儿离开水，它就会死。 It is going to rain tomorrow. I will stay at home and read a book. Using the structure “ if…… will do” to talk about probable results. （谈可能的结果） If it rains tomorrow, I will stay at home and read a book. doesn't rain tomorrow, play football If it doesn't rain tomorrow, I'll play football. I'll play football if it doesn't rain tomorrow. Using the structure “ if…… will do” to talk about probable results. （谈可能的结果） finish one's homework, go swimming If I finish my homework, I'll go swimming. I'll go swimming if I finish my homework. Using the structure “ if…… will do” to talk about probable results. （谈可能的结果） be free tomorrow, play basketball If I am free tomorrow, I'll play basketball. I'll play basketball if I am free tomorrow. Using the structure “ if…… will do” to talk about probable results. （谈可能的结果） We use the structure “if…… do” to talk about results that certainly happen!(谈必然的结果） If you take a fish out of water, it dies. If you heat ice, it turns into water. We use the structure “if…… do” to talk about results that certainly happen!(谈必然的结果） If you put wood into water, it floats. We use the structure “if…… do” to talk about results that certainly happen!(谈必然的结果） We can also use conditional sentences to talk about results that will certainty happen. If you put salt into water, it disappears. The if-clause talks about a possible action. The main clause talks about the result that will certainly happen. 二、if... not与unless unless = if... not，除非；如果不。如： Unless you start right now, you will not get there in time. = If you don’t start right now, you will not get there in time. = You will not get there in time unless you start right now. = You will not get there in time if you don’t start right now. 除非你现在就出发，否则你不能及时赶到那儿。 说明：if或unless引导的条件状语从句位置灵活，可放于句首，也可位于主 句的后面。当if或unless从句位于句首时，后面通常加逗号和主句隔开。 一、单项选择。 1 We won’t go out if it ____ tonight. A. rain B. will rain C. is raining D. rains If you _____ to join an educational exchange, you must apply for it first. A. want B. wanted C. wants D. wanting 3 In hot weather, food goes bad easily __ it is kept in the fridge. A. because B. if C. unless D. since 4 — Great news! The TFBOYS will come to our city next week! — Really? ____ they come, my brother will be very happy. A. Unless B. If C. Before D. So 5 — May I play the computer game? — No, _____ you promise to finish your homework first. A. unless B. if C. but D. so 课堂训练 6 They ____ the Great Wall unless it _____. A. will visit; will rain B. will visit; rains C. visit; will rain D. visit; rains 7 — You won’t pass the quiz ___ you don’t study hard for it. — OK. I’ll try my best. A. and B. unless C. if D. but 8 You won’t learn Maths well _____ you work hard. A. unless B. if C. since D. because 9 If I find your dog, I _____ you a call. A. give B. gave C. giving D. will give 10 Mr Brown will come to our party if he ____ too busy tomorrow. A. is B. isn’t C. will be D. won’t be 二、根据句意，用if或unless连接句子。 1 They won’t understand you. You speak too fast. . 2 She won’t play the piano well. She keeps on practising it every day. . 3 I’m free this weekend. I’ll go to the library. . 4 A dog barks. It is angry. . 5 You take a fish out of water. It dies. . They won’t understand you if you speak too fast She won’t play the piano well unless she keeps on practising it every day A dog barks if it is angry. If I’m free this weekend, I’ll go to the library If you take a fish out of water, it dies Thank you! $$