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Unit 2 知识点精讲-八年级上册英语教学同步精美课件+分层作业（人教版）
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语言知识点精讲Unit 2 How often do you exercise?1. How often do you exercise? exercise v. 锻炼 e.g. 我每天都锻炼。 我爸爸总是做运动。 我们每天都做早操。 I exercise every day. My father always does exercise. We do morning exercises every day.exercise n. 运动、锻炼，为不可数名词习题、体操，为可数名词 (常和动词 do 搭配使用，做“体操”讲时多用复数)常用词组：take/do exercise 做运动do morning exercises 做早操do eye exercises 做眼保健操2. hardly adv. 几乎不 (表示否定概念) 常和can, could等连用，位于动词be、情态动词或助动词后、行为动词前。 e.g. 他不太会说英语。 (翻译) He can hardly speak English. hardly ever 几乎从不 e.g. 彼得几乎不迟到。 (翻译) Peter is hardly ever late.hard adv. 努力地、刻苦地；猛烈地e.g. 他只在考试前努力学习。 (翻译) He works hard only before exams. 3. once, twice, three times等次数的表达法。 1) 这三个词都表示次数，once是一次，twice是两次，除了一次，两次，其他的次数表达都是数字 + times 三次是_____________ 五次是_____________three timesfive times2) 这些表次数的词后与一段时间连用，表示动作多长时间发生几次，即动作的频率。 翻译：两周一次 ________________ 一年两次 ________________一个月两次 ________________once two weekstwice a yeartwice a month4. How often do you have piano lessons?How often + 助动词 do (does 或 did) + 主语 + do sth. ? 是对频率（多久一次）进行提问。疑问词 how often (在这里助动词 do, does 或 did 是起疑问的作用) 与一般现在时或一般过去时连用，回答一般用表频率的副词 always, usually, often, sometimes, never 等或者是“数次 + 一段时间”，如 once/twice a month, three times a month, every year, every week 等。e.g. 你多久上一次钢琴课？ 你一周上几次钢琴课？ How often do you have piano lesson? How many times do you have piano lessons a week?How often & How many timesHow many times 对次数进行提问，其答语为 once, twice, three times 等表示次数的单词或短语。5. Hmm…next week is quite full for me, Jack. full adj. 忙的 同义词busy 满的 反义词empty (空的) be full of 充满……的 吃饱了的 反义词hungry e.g. He had a full weekend. The restaurant is full every day. I’m full, so I don’t want to eat anything.【拓展】充满 be filled with = be full ofe.g. 瓶子里装满了水。(翻译) The bottle is full of water. The bottle is filled with water.【语言运用】选出句子中full的含义。A. 忙的 B. 满的 C. 吃饱了的( ) (1) Sorry, the hotel is full now, so you need to find another one.( ) (2) No more for me, thanks — I’m full.( ) (3) Her life is full and she doesn’t have time to relax.BCA完成句子。1) Alice在办公室度过了忙碌的一天。 Alice spent _______ _________ _______ at the office.2) 这本书充满了有趣的故事。 This book _______ _______ _______ interesting stories.3) 我吃饱了，所以现在不想吃任何东西。 I _______ _______, so I don't want to eat anything now. a full / busy dayis full of am full6. I go to the movies maybe once a month. maybe adv. 大概；或许；可能 可与“may+动词原形”相互转换 e.g. Maybe you are right. = You may be right. Maybe Mary will stay at home this afternoon. = Mary may stay at home this afternoon.maybe & may be选词填空。1) —I can't find my watch. —_________(Maybe / May be) you left it in the classroom.2) The traffic (交通) is so bad. I _________ (maybe / may be) late today.3) John visits his uncle _______(maybe / may be) once a month.Maybe may be maybe改为同义句。1) He may go to work tomorrow. 2) Maybe Sara is in the classroom now.Maybe he will go to work tomorrow.Sara may be in the classroom now.7. He plays at least twice a week. at least 至少，不少于；起码 副词词组，指在数量或程度上。 e.g. 你必须至少一周打扫你的房间一次。 You have to clean your house ____________________. at least once a week 频度副词9.want sb. to do sth. 想让某人做某事e.g. He wants you to see him at the station.【链接】want后面可接名词(短语)、代词或动词不定式(短语)。e.g. Tina wants a black schoolbag. I want to buy a new bike.将下列句子翻译成英语。1) 我弟弟想让我和他一起去看电影。2) 有人想见你。3) 她想要一些咖啡。My brother wants me to go to the movies with him. Someone wants to meet / see you.She wants some coffee.10. And twenty percent do not exercise at all! not … at all 一点也不，not应和be动词、助动词或情态动词连用。 e.g. 这个故事一点也没有趣。 他们根本不喜欢那次度假。 那位老人一点也不会用电脑。(翻译) The story isn’t interesting at all. They didn’t enjoy the vacation at all. The old man can’t use the computer at all. 11. Only two percent of the students watch TV one to three times a week. Thirteen percent watch TV four to six times a week. What percent of the students do not exercise at all? percent n. 百分之…… 百分数的表达形式：基数词+ percent，percent无复数形式。百分数+of +the +名词：作主语时，谓语动词的单复数形式由of后面的名词的数来决定。of后面是复数可数名词时，谓语动词用复数形式；of后面是不可数名词或单数可数名词时，谓语动词用单数形式。再次使用百分数+of+ the+名词时，如果该名词在前面已经提到，则可省略“of+ the+名词”部分。对percent前面的基数词提问时用疑问词what。【语境应用】选词语填空。1) 40 percent of the students in their class _______(is / are) boys.2) 75 percent of the water _______(runs / run) into that sea (海).3) _______(What / How much) percent of women return to work (回去上班) after having a baby?arerunsWhat12. Although many students like to watch sports, game shows are the most popular. although conj. 尽管，虽然；即使 e.g. 尽管天气很冷，但我们还是去钓鱼了。(翻译) We went fishing although it was cold.注意：although引导的从句不能与but连用，有although就没有but。e.g. 尽管他离家很早，但是他还是迟到了。(翻译) Although he left home early, he was late. 【语境应用】单项选择。1) ______ Simon has done well in his studies, he still works really hard. A. Although B. Because C. Unless D. When2) —How do you like your new school, Kate? —It is very clean and beautiful ______ it is a bit small. A. if B. since C. unless D. although AD13. It is good to relax by using the Internet or watching game shows, but we think the best way to relax is through exercise. It is + adj. + (for sb.) to do sth. (对某人来说)做某事…… It is good to relax ... to relax在句中作真正的主语，it是形式主语，... the best way to relax ... 中的to relax在句中作定语。by和through用作介词时，凭借；靠。后接名词、代词或动词-ing形式。【链接】through prep. 穿过，强调从某一空间内穿过。【语境应用】完成句子。1) You can make your dream come true ___________ (by / through) hard work.2) My uncle makes money ___________ (by / through) writing.3) The Yellow River goes _______ (by / through) Shanxi Province.4) 那不是学英语最好的方法。 That’s not the best way _______ _______ English.5) 对我来说用英语记日记很难。 _______ difficult _______ _______ _______ _______ a diary in English.by / throughby / throughthroughto learnIt’s for me to keep14. Exercise such as playing sports is fun… such as 像……这样，表示列举。 结构：n. + such as + 例子 e.g. 她喜欢像兔子、小鸟这样的小动物。(翻译) She likes animals such as rabbits and birds.15. Old habits die hard. 旧习难改。 谚语，表示习惯一旦养成，并非朝夕即可改变，多用来描述人们一时难以改变的固有观念及做法。 e.g. It’s the age of new technology, but my grandpa still goes everywhere with his old radio. Old habits die hard, you see. (翻译) 现在都已经是新技术时代了，可我爷爷仍然到哪儿都带着他的收音机。你瞧，老习惯可真难改呀。16. So start exercising before it’s too late! it’s too late 为时太晚；来不及了 e.g. 现在你知道你错了，但是已经太晚了。(翻译) Now you know you’re wrong, but it’s too late.it’s too late与before共同组成从句：不要等到为时已晚；不要等到来不及的时候；趁着还来得及 。e.g. 你应当更加用功，别等到为时过晚而赶不上了。(翻译) You should work harder before it’s too late to catch up.17. However, she has some bad habits, too. however adv. 然而，可是 表示转折关系，可放在句首、句中、句末，常用逗号隔开。 e.g. 我很饿，但她却给了我一些水。 可是我父亲没有开车去那里。(翻译) I was hungry, however, she gave me some water. My father didn’t drive there, however.18. …watches TV for more than two hours a day, … more than 超过……；多于……，后接数词，同义词为over，反义词为less than 不到；少于。 more than 不只是；不仅仅，后接名词。e.g. 苏州有着2500多年的历史。 我叔叔不只是一位老师。(翻译) Suzhou has a history of more than / over 2,500 years. My uncle is more than a teacher. 【语境应用】Ⅰ. 写出划线部分的汉语意思。1) John lived in China for more than five years. ______________2) He is more than a teacher to us. He is our friend, too. ___________________________Ⅱ. 同义句转换。3) It took Jason over 30 minutes to get to school this morning. It took Jason _______ _______ 30 minutes to get to school this morning. 五年多对我们来说，他不仅仅是老师more than
语言知识点精讲Unit 2 How often do you exercise?1. How often do you exercise? exercise v. 锻炼 e.g. 我每天都锻炼。 我爸爸总是做运动。 我们每天都做早操。 I exercise every day. My father always does exercise. We do morning exercises every day.exercise n. 运动、锻炼，为不可数名词习题、体操，为可数名词 (常和动词 do 搭配使用，做“体操”讲时多用复数)常用词组：take/do exercise 做运动do morning exercises 做早操do eye exercises 做眼保健操2. hardly adv. 几乎不 (表示否定概念) 常和can, could等连用，位于动词be、情态动词或助动词后、行为动词前。 e.g. 他不太会说英语。 (翻译) He can hardly speak English. hardly ever 几乎从不 e.g. 彼得几乎不迟到。 (翻译) Peter is hardly ever late.hard adv. 努力地、刻苦地；猛烈地e.g. 他只在考试前努力学习。 (翻译) He works hard only before exams. 3. once, twice, three times等次数的表达法。 1) 这三个词都表示次数，once是一次，twice是两次，除了一次，两次，其他的次数表达都是数字 + times 三次是_____________ 五次是_____________three timesfive times2) 这些表次数的词后与一段时间连用，表示动作多长时间发生几次，即动作的频率。 翻译：两周一次 ________________ 一年两次 ________________一个月两次 ________________once two weekstwice a yeartwice a month4. How often do you have piano lessons?How often + 助动词 do (does 或 did) + 主语 + do sth. ? 是对频率（多久一次）进行提问。疑问词 how often (在这里助动词 do, does 或 did 是起疑问的作用) 与一般现在时或一般过去时连用，回答一般用表频率的副词 always, usually, often, sometimes, never 等或者是“数次 + 一段时间”，如 once/twice a month, three times a month, every year, every week 等。e.g. 你多久上一次钢琴课？ 你一周上几次钢琴课？ How often do you have piano lesson? How many times do you have piano lessons a week?How often & How many timesHow many times 对次数进行提问，其答语为 once, twice, three times 等表示次数的单词或短语。5. Hmm…next week is quite full for me, Jack. full adj. 忙的 同义词busy 满的 反义词empty (空的) be full of 充满……的 吃饱了的 反义词hungry e.g. He had a full weekend. The restaurant is full every day. I’m full, so I don’t want to eat anything.【拓展】充满 be filled with = be full ofe.g. 瓶子里装满了水。(翻译) The bottle is full of water. The bottle is filled with water.【语言运用】选出句子中full的含义。A. 忙的 B. 满的 C. 吃饱了的( ) (1) Sorry, the hotel is full now, so you need to find another one.( ) (2) No more for me, thanks — I’m full.( ) (3) Her life is full and she doesn’t have time to relax.BCA完成句子。1) Alice在办公室度过了忙碌的一天。 Alice spent _______ _________ _______ at the office.2) 这本书充满了有趣的故事。 This book _______ _______ _______ interesting stories.3) 我吃饱了，所以现在不想吃任何东西。 I _______ _______, so I don't want to eat anything now. a full / busy dayis full of am full6. I go to the movies maybe once a month. maybe adv. 大概；或许；可能 可与“may+动词原形”相互转换 e.g. Maybe you are right. = You may be right. Maybe Mary will stay at home this afternoon. = Mary may stay at home this afternoon.maybe & may be选词填空。1) —I can't find my watch. —_________(Maybe / May be) you left it in the classroom.2) The traffic (交通) is so bad. I _________ (maybe / may be) late today.3) John visits his uncle _______(maybe / may be) once a month.Maybe may be maybe改为同义句。1) He may go to work tomorrow. 2) Maybe Sara is in the classroom now.Maybe he will go to work tomorrow.Sara may be in the classroom now.7. He plays at least twice a week. at least 至少，不少于；起码 副词词组，指在数量或程度上。 e.g. 你必须至少一周打扫你的房间一次。 You have to clean your house ____________________. at least once a week 频度副词9.want sb. to do sth. 想让某人做某事e.g. He wants you to see him at the station.【链接】want后面可接名词(短语)、代词或动词不定式(短语)。e.g. Tina wants a black schoolbag. I want to buy a new bike.将下列句子翻译成英语。1) 我弟弟想让我和他一起去看电影。2) 有人想见你。3) 她想要一些咖啡。My brother wants me to go to the movies with him. Someone wants to meet / see you.She wants some coffee.10. And twenty percent do not exercise at all! not … at all 一点也不，not应和be动词、助动词或情态动词连用。 e.g. 这个故事一点也没有趣。 他们根本不喜欢那次度假。 那位老人一点也不会用电脑。(翻译) The story isn’t interesting at all. They didn’t enjoy the vacation at all. The old man can’t use the computer at all. 11. Only two percent of the students watch TV one to three times a week. Thirteen percent watch TV four to six times a week. What percent of the students do not exercise at all? percent n. 百分之…… 百分数的表达形式：基数词+ percent，percent无复数形式。百分数+of +the +名词：作主语时，谓语动词的单复数形式由of后面的名词的数来决定。of后面是复数可数名词时，谓语动词用复数形式；of后面是不可数名词或单数可数名词时，谓语动词用单数形式。再次使用百分数+of+ the+名词时，如果该名词在前面已经提到，则可省略“of+ the+名词”部分。对percent前面的基数词提问时用疑问词what。【语境应用】选词语填空。1) 40 percent of the students in their class _______(is / are) boys.2) 75 percent of the water _______(runs / run) into that sea (海).3) _______(What / How much) percent of women return to work (回去上班) after having a baby?arerunsWhat12. Although many students like to watch sports, game shows are the most popular. although conj. 尽管，虽然；即使 e.g. 尽管天气很冷，但我们还是去钓鱼了。(翻译) We went fishing although it was cold.注意：although引导的从句不能与but连用，有although就没有but。e.g. 尽管他离家很早，但是他还是迟到了。(翻译) Although he left home early, he was late. 【语境应用】单项选择。1) ______ Simon has done well in his studies, he still works really hard. A. Although B. Because C. Unless D. When2) —How do you like your new school, Kate? —It is very clean and beautiful ______ it is a bit small. A. if B. since C. unless D. although AD13. It is good to relax by using the Internet or watching game shows, but we think the best way to relax is through exercise. It is + adj. + (for sb.) to do sth. (对某人来说)做某事…… It is good to relax ... to relax在句中作真正的主语，it是形式主语，... the best way to relax ... 中的to relax在句中作定语。by和through用作介词时，凭借；靠。后接名词、代词或动词-ing形式。【链接】through prep. 穿过，强调从某一空间内穿过。【语境应用】完成句子。1) You can make your dream come true ___________ (by / through) hard work.2) My uncle makes money ___________ (by / through) writing.3) The Yellow River goes _______ (by / through) Shanxi Province.4) 那不是学英语最好的方法。 That’s not the best way _______ _______ English.5) 对我来说用英语记日记很难。 _______ difficult _______ _______ _______ _______ a diary in English.by / throughby / throughthroughto learnIt’s for me to keep14. Exercise such as playing sports is fun… such as 像……这样，表示列举。 结构：n. + such as + 例子 e.g. 她喜欢像兔子、小鸟这样的小动物。(翻译) She likes animals such as rabbits and birds.15. Old habits die hard. 旧习难改。 谚语，表示习惯一旦养成，并非朝夕即可改变，多用来描述人们一时难以改变的固有观念及做法。 e.g. It’s the age of new technology, but my grandpa still goes everywhere with his old radio. Old habits die hard, you see. (翻译) 现在都已经是新技术时代了，可我爷爷仍然到哪儿都带着他的收音机。你瞧，老习惯可真难改呀。16. So start exercising before it’s too late! it’s too late 为时太晚；来不及了 e.g. 现在你知道你错了，但是已经太晚了。(翻译) Now you know you’re wrong, but it’s too late.it’s too late与before共同组成从句：不要等到为时已晚；不要等到来不及的时候；趁着还来得及 。e.g. 你应当更加用功，别等到为时过晚而赶不上了。(翻译) You should work harder before it’s too late to catch up.17. However, she has some bad habits, too. however adv. 然而，可是 表示转折关系，可放在句首、句中、句末，常用逗号隔开。 e.g. 我很饿，但她却给了我一些水。 可是我父亲没有开车去那里。(翻译) I was hungry, however, she gave me some water. My father didn’t drive there, however.18. …watches TV for more than two hours a day, … more than 超过……；多于……，后接数词，同义词为over，反义词为less than 不到；少于。 more than 不只是；不仅仅，后接名词。e.g. 苏州有着2500多年的历史。 我叔叔不只是一位老师。(翻译) Suzhou has a history of more than / over 2,500 years. My uncle is more than a teacher. 【语境应用】Ⅰ. 写出划线部分的汉语意思。1) John lived in China for more than five years. ______________2) He is more than a teacher to us. He is our friend, too. ___________________________Ⅱ. 同义句转换。3) It took Jason over 30 minutes to get to school this morning. It took Jason _______ _______ 30 minutes to get to school this morning. 五年多对我们来说，他不仅仅是老师more than
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