人教英语八年级上Unit2知识点及练习带答案.doc

1、Unit2 How often do you exercise?重点短语： how often 多久一次help with housework 帮助做家务 on weekends 在周末go to the movies 去看电影 go shopping 去购物do exercises 做锻炼 do the dishes 洗餐具hardly ever 几乎从不 once a week 每周一次twice a month 每月两次 be free 有空 have dance and piano lessons 上舞蹈课和钢琴课 swing dance 摇摆舞 play tennis 打网球 sta

2、y up late 熬夜；睡得很晚 use the Internet 用互联网 at least 至少 go to bed early 早点睡觉 want sb. to do sth. 想让某人做某事 be good for 对有好处 play sports 进行体育活动 go camping 去野营 in ones free time 在某人的业余时间 ask sb. about sth. 向某人询问某事 notat all 一点儿也不 the most popular 最受欢迎的 by doing sth. 通过做某事 the best way to do sth. 做某事的最好方式 he

3、lp sb. with sth. 帮助某人做某事 How about? .怎么样？/ 好不好？ spend time with sb. 和某人一起度过时光 such as 比如；诸如 old habits die hard 积习难改 go to the dentist 去看牙医 less than 少于 more than 多于；超过重点句子：What do you usually do on weekends? 你通常在做什么？ I often go to the movies.我经常去看电影。 Whats your favorite? 你最喜爱的是什么？ How many+可数名词复数+一

4、般疑问句？ 有多少? How come？怎么会？（表示你觉得某件事很奇怪，有点想不通，以 How come 开头的句子仍使用陈述语序） e.g. How come you didnt tell me earlier?你怎么不早点告诉我？ 主+find+that从句. 发现e.g.We found that only fifteen percent of our students exercise every day. Its+ adj.+ to do sth. 做某事是的。 Its good to relax by using the Internet.重点语法：1. 不确定的频度副词：表示动

5、作发生间隔（既频率）的副词。它们有：always ; usually ; often ; sometimes ; seldom ； hardly ever ; never 等。always（100%） usually（约80%90%） often（约60%） sometimes（约30%） seldom（约20%） hardly ever（约10%） never（0%）在句中位置：频度副词在句中通常放在be动词、助动词、情态动词之后，在实义动词之 前。She is often late for school./I can never be sure./He always helps me.2.

6、表示确定的频率短语 every day/week/month/year 每天/周/月/年 once a week 每周一次 twice a week 每周两次 twice a month 一月两次three times a day 一天三次 注：三次或三次以上一般用“基数词times”表示。3.区别how often 跟 how longhow long 多久（用来提问有多长时间）回答通常是more than two weeks、for a week、ten years等表示一段时间的状语。例：How long did you study English in China?For three

7、weeks.2. how soon 用来提问“需要多长时间才会”，指某一动作要多长时间以后才能完成或发生。 回答通常是“in一段时间” 例：How soon will you come back？ In a week.特殊疑问词How的用法家族成员称呼职责how1)怎样；怎么2)多么1)指询问方式、方法；程度2)构成感叹句how old几岁询问年龄多大。how many多少询问可数名词的数量。how much1)多少(how many的孪生兄)2)多少钱1)询问不可数名词的数量2)询问价钱或钱的数量how far多 远询问两地之间的距离。how often多久一次(表频率)询问做某事多长时间一

8、次。how long1)多久2)多长1)询问做某事花了多长时间2)询问物体的长度how tall多高询问人或物的高度how fast多快询问速度课堂巩固练习: 一、对划线部分提问 1）He always plays basketball after school. _ does he always _ after school? 2) They hardly ever play football. _ _ _ they play football? 答案：1.What do 2.How often do 二、单项选择( ) 1. -How often _ she exercise? -Twic

9、e a week. A. do B. does C. doing D. did( ) 2. I _ like to drink milk. A. not B. doesnt C. dont D. no( )3.-_do you go swimming ? -Sometimes. A. How often B. How long C. how many D. How old( )4. Katrina watches TV once _ week. A. a B. the C. an D. ( )5.They have housework to do. A. many B. Much答案：BCAA

10、B1.用how far, how often, how long填空。 1) does she usually exercise? 2) is it from your home to the school? 3) have you been away from (离开) your hometown? 答案：How often, How far, How long2.了解下列频率副词，写出其汉语意思.always (100%)_ usually (80%)_ often (60%)_ sometimes (30%)_ hardly ever(1%)_ never (0%)_ 答案：一直，通常，经常，有时候，几乎不，从不一、用所给词的正确形式填空 1. I watch TV _ (one) a week. 2. He watches TV _ (two) a week. 3. Katrina _ (exercise) every day. 答案：once , twice, exercises