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1、八年级英语上册 第一单元知识要点1 人教新目标版知识要点 1. How often多久(一次) How often do you exercise? 你多久锻炼一次身体, How often does your mother go shopping? 你妈妈多久购一次物, 【区别】How often和How many times ? How often用来提问某个动作间隔多久发生一次，即询问动作发生的频率。通常对一些表示频率的副词进行提问;也可以对频度短语进行提问。 ? How many times意思是“多少次”，是用来提问做某事的次数的，往往就once, twice, three time
2、s等词语进行提问。 典型例题: 1)Li Ming does his homework every day. (就划线部分提问)? 2)The old man went to the zoo three times this year.(就划线部分提问)? 2. hardly几乎不，简直不 There are hardly any students in the classroom.几乎没有学生在教室里。 There is hardly a cloud in the sky. 天空中几乎没有云。 【区别】hardly与hard ? hardly不是hard加后辍所构成的，它是副词，常与can或
3、any连用。 ? hard可用作形容词，意思为“艰难的，困难的，勤奋的”可等同于“difficult”。它也可用作副词，意思是“努力地，刻苦地，猛烈地”。 典型例题: 1) 学好英语不难。(翻译成英语)? 2) We must (努力学习). 一、单项选择 1. How often does Kate go hiking? . A. I guess shes OK. B. About an hour. C. Once the week. D. Twice a week. 2. There are 50 students in our class. 75% students like going
4、 hiking. What does “75%” mean? A. None of the students. B. All the students. C. Most of the students. D.Some of the students. 3. They usually do some office work weekdays. A. in B. on C. at D. both B and C 4. I have time to have lunch. A. sometimes B. hard C. hardly D. already 5. do you go shopping?
5、 1 Every Sunday. A. How soon B. How many times C. How much D. How often 6. do you have a class meeting? Once a week. A. How much B. How often C. What time D. How long 7. I see her in the supermarket. A. sometime B. some time C. sometimes D. some times 8. did you watch TV? About two hours. A. How far
6、 B. How often C. How soon D. How long 9. The results “watching TV” are interesting. A. at B. in C. for D. on 10. He is a good student. He late for school. A. isnt never B. is often C. is always D. is hardly ever B.句型转换 1. Most students exercise three times a week.(就划线部分提问) do most students exercise?
7、 2. I sleep nine hours every night.(就划线部分提问) hours do you sleep every night? 3. My favorite program is Animal World.(就划线部分提问) your favorite program? 4. My sister often goes to a movie on weekends.(就划线部分提问) your sister often on weekends? 5. She sometimes does her homework at school.(就划线部分提问) does she
8、 her homework at school? 中考链接 ( )1. _ is “Lucky 52” shown on CCTV-2? Every week.(2006年，黄冈) A. How often B. How long C. How soon D. How many times ( )2. How was the weather yesterday? It was terrible. It rained _. People could go out. (2006年，甘肃) A. hardly; hardly B. hard; hard C. hard; hardly D. hard
9、ly; hard ( )3. do you exercise? Four times a week. (2006年，宁夏) 2 A. How much B. How often C. How long D. How many 二、用单词的适当形式填空。 1. My father plays basketball _ (two) a week. 2. Jodie often _ (exercise) in the park. 3. Maria is _ (act) at school. 4. He _ (watch) TV every night. 5. How often does your
10、mother exercise? _ (one) a week. 三、完成句子 1. 你周末通常做什么,_ 我通常踢足球。_ 2. 他多久看一次电影, 他一周看一次。_ 3. 你最喜爱的电视节目是什么, _ 4. 我妹妹一周看二至三次电视。 _ 5. 至于家庭作业，大部分学生天天做。 _ 四、短文填空 A: Hi, Li Lei. What are you (1)_? B: I am reading a letter (2)_ my pen pal. A: How (3)_ does she write to you? B: Once a month. A: (4) _ she like Ch
11、ina? B: Yes, she does. A: Do you get together during the summer holiday? B: Yes, and we always have a good time. A: What do you usually (5)_ during the summer holiday? B: We often (6)_ some places of interest. A: What does she (7)_ of them? B: She thinks they are great. 快乐阅读 Early to bed, early to r
12、ise, makes a man healthy, wealthy and wise. This is an old English saying. Have you heard of it before? 3.It means that we must go to bed early and get up early in the morning. Then we shall be healthy. We shall also be rich (wealthy) and clever (wise). This is true.4.The body must have enough sleep
13、 to be healthy. Children of young age should have ten hours sleep every night. Children who do not have enough 3 sleep cannot do their work very well. They will not be wise and they may not become wealthy! The body also needs exercise. Walking, running, jumping, swimming and playing games are all ex
14、ercise. Exercise keeps the body strong. Exercise also helps the blood (血液) to move around inside the body. This is very important. Our blood takes food to all parts of our body. The head also needs blood .Exercise helps us to think better! 回答下列问题: 1. Whats the meaning of “Early to bed, early to rise
15、” in Chinese? _ 2. How many hours should young children sleep every day? _ 把文中划线的句子翻译成汉语。 3. _ 4. _ 根据短文内容填空: 5. _ is another way of saying “rich”. 6. The head also needs _. 一、词语检测 根据句意及所给的首字母或汉语提示，完成单词。 1. Children like drinking _ (牛奶). 2. What would you like, _ (咖啡)or cola? 3. Im i_ to keep health
16、y. 4. Eating a lot of fruits is good for our h_. 5. There are some _ (不同) between you and me. 三、根据提示完成句子。 1. 吃得太多有害于我们的健康。(be good for) _ 2. 我将尽力把这份工作干好。(try to do sth.) _ 3. 他也许是一位老师。(maybe) _ 4. 我有许多作业要做。(a lot of/ lots of) _ 5. 虽然他已80岁了，但他还相当健康。(although/ though) _ 知识要点 1. 【区别】maybe, may be maybe
17、是副词，意思是“也许，可能”，相当于perhaps, 常用于句首。如: 4 Maybe he will call you tomorrow. 或许他明天给你打电话。 may be是由情态动词may和系动词be构成，译成汉语为“可能是”，在句中作谓语。如:Tom may be at home. 汤姆可能在家。 Maybe和may be有时可以互相转换。如:Maybe he is right.可等同于:He may be right. 2. although的用法 although表示“虽然”，是从属连词，引导让步状语从句，语气较重，且比较正式，所引导的从句放在主句前后均可，可用though替换。
18、注意:though/ although不能和but同时出现在一个句子中，但可以和yet连用。如: Although/Though it is snowing, it is not very cold.=It is snowing, but it is not very cold.= Although/ Though it is snowing, yet it is not very cold. 虽然下着雪，但并不是很冷。 随堂达标 一、单项选择 1. My mother told me _ you anything. A. tell not B. not tell C. to not tell
19、 D. not to tell 2. “Ill try mistakes again. ”She said. A. dont make B. not to make C. not make D. to not make 3. Would you like to eat? A. something healthy B. anything healthy C. something health D. healthy something 4. Doing morning exercises your health. A. is bad to B. is good for C. is bad for
20、D. is good to 5. he works very hard, he fails. A. Because B. Since C. if D. Although 二、用单词的适当形式填空。 1. A lot of vegetables help you _ (keep) in good health. 2. My mother wants me _ (drink) some milk every day. 3. His _ (eat) habits are pretty good, so hes very healthy. 4. You must try _ (eat) less me
21、at. 5. Good sleep can help you to study _ (well). 三、完成句子。 1. 妈妈想让我天天喝牛奶。 My mother wants me _ _ _ every day. 2. 天天跑步对我们的健康有好处。 Running every day is _ _ our health. 3. 我努力吃大量的蔬菜。 I _ _ _ a lot of vegetables. 4. 我健康的生活方式帮着我取得好成绩。 My healthy lifestyle helps me _ _ _. 5 5. 我相当健康。 Im _ _. 6. 你多久吃一次垃圾食品,
22、_ _ do you eat _ food? 四、短文填空。 A: Hello, Sally. Welcome to my house. B: Thank you. A: (1)_ you like a cup of tea? B: Yes, please. A: Would you like some fruit? B: Some bananas , please . Its my (2)_. (1)二次函数yax2的图象：是一条顶点在原点且关于y轴对称的抛物线。是二次函数的特例，此时常数b=c=0.A: Eating fruit is good (3)_ your health . (4)
23、_ (5)_ do you eat fruit? 二次函数配方成则抛物线的B: Every day. =0 抛物线与x轴有1个交点；A: Its a good eating (6)_. Eating a lot of vegetables and fruit can 5.方位角：从某点的指北方向按顺时针转到目标方向的水平角，叫做方位角。如图3，OA、OB、OC的方位角分别为45、135、225。help you (7)_ good grades. They can help you to study better. B: You are (8)_. A: Oh, (9)_ (10)_ do y
24、ou play ? B: I often play basketball. 第三章 圆A: Oh, good. Lets play together. 5、能掌握一些常见的数量关系和应用题的解答方法，逐步提高解答应用题的能力。B: OK. Lets go. 【能力提升】 推论2:直径所对的圆周角是直角；90的圆周角所对的弦是直径；中考链接 )1. You are so busy. What do you want me _ for you? (2006年，重(庆) （4）二次函数的图象：是以直线为对称轴，顶点坐标为（，）的抛物线。（开口方向和大小由a来决定）A. do B. done C. to do D. doing ( )2. Alice was ill, so her mother _ her at home. (2006年，广西梧4、在教师的具体指导和组织下，能够实事求事地批评自己、评价他人。州) A. took after B. looked for C. looked after D. took care tanA是一个完整的符号，它表示A的正切，记号里习惯省去角的符号“”；6