初三英语下册第二单元知识点与练习题

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Unit2 How often do you exercise
单词
housework ['haʊswɜːk] n.家务劳动
hardly ['hɑːdli] adv.几乎不;简直不;刚刚
ever ['evə(r)] adv.曾经;在任何时候
once [wʌns] adv.一次;曾经
twice [twaɪs] adv.两倍;两次
Internet ['ɪntənet] n.因特网
program ['prəʊɡræm] n.节目;程序;课程;节目单
full [fʊl] adj.满的;充满的;完全的
swing [swɪŋ] n.摇摆;秋千v.摇摆;旋转
maybe ['meɪbi] adv.或许;也许;可能
swing dance摇摆舞
least [liːst] adj.最小的;最少的
at least至少
hardly ever很少;几乎从不;难得
junk n.垃圾;废旧杂物
coffee ['kɒfi] n.咖啡;咖啡色
health [helθ] n.健康;人的身体或精神状态
result [rɪ'zʌlt] .结果;后果
percent [pə'sent] adj.百分之...的
online [ˌɒn'laɪn] adj.在线的adv.在线地
television ['telɪvɪʒn] n.电视机;电视节目
although [ɔːl'ðəʊ] conj.虽然;尽管;然而;可是
through [θruː] prep.穿过;凭借;一直到
body ['bɒdi] n.身体
mind [maɪnd] .头脑;想法;意见;心思
such [sʌtʃ] adj.这样的;如此的
together [tə'ɡeðə(r)] adv.共同;一起
die [daɪ] v.死;枯竭;消失
writer ['raɪtə(r)] n.作者;作家
dentist ['dentɪst] n.牙科医生
magazine ['mæɡəziːn] n.杂志
however [haʊ'evə(r)] adv.然而;无论如何;不管多么
than [ðən] conj.比
almost ['ɔːlməʊst] adv.几乎;差不多
none [nʌn] pron.没有人;没有任何东西,毫无
less [les] adj.更少的;较少的
point [pɔɪnt] n.看法;要点;重点;小数点;目标;分数重点短语
such as例如;诸如
junk food n.垃圾食品;无营养食品
more than超过;多于;不仅仅;非常
less than不到;少于
help with housework 帮助做家务 on weekends 在周末
how often 多久一次 hardly ever 几乎从不
once a week 每周一次 twice a month 每月两次
every day 每天 be free 有空
go to the movies 去看电影 use the Internet 用互联网
swing dance 摇摆舞 play tennis 打网球
stay up late 熬夜;睡得很晚 at least 至少
have dance and piano lessons 上舞蹈课和钢琴课
go to bed early 早点睡觉
play sports 进行体育活动 be good for 对……有好处
go camping 去野营 not…at all 一点儿也不……
in one’s free time 在某人的业余时间 the most popular 最受欢迎的
such as 比如;诸如 old habits die hard 积习难改
go to the dentist 去看牙医 morn than 多于;超过
less than 少于 help sb. with sth. 帮助某人做某事How about… ......怎么样 want sb. to do sth. 想让某人做某事How many+可数名词复数+一般疑问句……有多少……
spend time with sb. 和某人一起度过时光
It’s+ adj.+ to do sth. 做某事的……的。

ask sb. about sth. 向某人询问某事
by doing sth. 通过做某事
What’s your favorite……你最喜爱的……是什么
the best way to do sth. 做某事的最好方式
三.重点语法
(一) 重点句型
do you usually do on weekends -----I often go to the movies.
(1) on weekends/on the weekend在周末
(2) go to the movies 去看电影
(3) 第一个do 助动词第二个do 实意动词
2. hardly ever 几乎从不 hardly ever 相当于 hardly, ever起强调作用。

hardly 为副词,意为“几乎不没有)”,相当于almost not,本身具有否定含义,不能再使用其他否定词。

. She hardly eats anything.
辨析: hardly 和hard hard作形容词,意为“困难的,艰苦的,硬的”;
hard作副词,意为“努力地,猛烈地”。

hardly意为“几乎不”
(1) The ground is too to dig
(2) I can understand them.
(3) It's raining ,the people can go outside.
3. ----How often do you watch TV ----Twice a week.
(1) how often 意为“多久一次,多长时间一次”,用来提问频率。

(2) twice a week 一周两次
拓展: 一次 once 两次 twice
三次或三次以上基数词+ times three times four times
4. What's your favorite program = What program do you like best
你最喜欢的节目是什么
5. How come怎么回事怎么会表示某件事情很奇怪,有点想不通;可单独使用,也可引导一个问句。

相当于疑问词why。

但how come 开头的特殊疑问句使用的仍是陈述语序。

How come you didn't tell me about it = Why you didn't tell me about it
6. I go to the movies maybe once a month. 我也许一个月去看一次电影。

maybe 副词,意为“或许,大概,可能”,常位于句首。

. Maybe he knows the way to the park.
辨析:maybe 与 may be maybe副词,作状语,意为“或许,大概,可能”,常位于句首。

may be 属于“情态动词+be 动词”结构,意为“可能是”。

(1) The baby is crying she is hungry.
(2) The woman a teacher .
7. Last month we asked our students about their free time activities.
ask ab. about sth. 询问某人某事
8. We all know that many students often go online, but we were surprised that ninety percent of them use the Internet every day. The other ten percent use it at least three or four times a week. 我们都知道许多学生经常上网,但是让我们感到惊讶的是90%的学生每天都上网,而另外10%的学生一周至少上网达三至四次。

(1) other: adj. 其他的+名词
the other: adj. 其他的+名词(在特定的范围内)
one…the other…一个……另一个
. One of them is blue,the other ones are purple.
它们的其中一个是蓝色的,其他的是紫色的。

others: 其他的东西 the others: 其他的东西(在特定的范围内)
. One of the children likes reading,the others like singing.
后句可替换为the other students like singing.
(2) at least 至少 at most 最多,至多
. I have ten yuan in my pocket at most.
9. Most students use it for fun and not for homework.
大多数学生上网是为了娱乐而不是为了写家庭作业。

10. The answers to our questions about watching television were also interesting.
关于看电视的调查结果也十分的有趣。

the answers to our questions 问题的答案
dance to the music 和着音乐的节奏跳舞
key to the lock 这把锁的钥匙
11. Although many students like to watch sports, game shows are the most popular.
尽管许多学生喜欢看体育节目,但是娱乐节目是最流行的。

12. It is good to relax by using the Internet of watching game shows, but we think the best way to relax is through exercise. 通过使用因特网看娱乐节目来放松很不错,但是我们认为最好的放松方式是通过锻炼来放松。

(1) It’s +adj.+to do sth 做某事……的
. It’s very easy to learn English well.
(2) by doing sth. 通过做某事
(3) the best way to do sth. is做某事的最好方式
13. It is healthy for the mind and the body. 这有益于身心健康。

stay healthy = keep healthy = keep in good health 保持健康
14. Old habits die hard. 旧习难改。

(二)语法知识: 频度副词
1. 频度副词的含义
(1) 表示次数、频率的副词称为频度副词。

常用的频度副词按高低依次为
always > usually > sometimes > seldom > hadly ever > never
100% 80% 60% 30% 10% 0%
(2) 表示具体的频率、次数时,一次用once,两次用twice,三次或三次以上用“基数词
+times”表示: three times, four times, six times
2. 频度副词在句中的位置
(1 )频度副词一般在实意动词之前,be 动词、助动词或情态动词之后
. We never eat junk food.
Lucy is sometimes very busy.
I can hardly say a word.
(2)有些频度副词也可位于句首,但表示不同含义 sometimes 常位于句首,和位于句中区别不大。

. Sometimes Jack plays computer games.
often 用于句首时,通常表示强调,且其前一般有quite,very 修饰
often he goes online.
Usually 也可位于句首,其前不用修饰语。

. Usually my father goes up early.
Always 一般不用于句首,但可以用在祈使句中。

. Always remember this.
3. 对频度副词提问时,用how often
. ---How often do you go to the movies ---Once a month。

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