(共13张PPT)
人教版英语八年级上单元重点知识复习课件
Unit2 同步小练习
实战演练
1. You can bravely tell others what you think if you have different ideas. But _____ remember to choose the proper way.
A. never B. seldom C. always
【答案】C
【解析】用词义辨析法。句意为“如果你有不同的想法，你可以勇敢地告诉别人你的想法。但要记得选择合适的方式”。never 意为“从不；从来没有”；seldom 意为“很少；不常”；always 意为“总是”。根据句意可知 always 符合语境。
2. Three _____ students in our school watched the football match; that is to say, 80 _____ of the students watched it.
A. hundreds; percent B. hundred; percent
C. hundreds; percents D. hundred; percents
【答案】B
【解析】考查 hundred 与 percent 的用法。 hundred 前有具体数字时，后面不加 -s 和 of。“数字+percent+of”表示“百分之……”。
一、单项选择题
实战演练
3. —Tony, you should learn from others, _____, your brother—Tom.
—I will, Mom. I will learn something good from him. _____ kindness, friendliness, bravery and so on.
A. for example; such as B. for example; for example
C. such as; such as D. such as; for example
【答案】A
【解析】用短语辨析法。for example 一般只举同类人或物中的“一个”为例，作插人语，用逗号隔开，可置于句首、句中、句末；such as 常列举同类人或物中的几个例子，后面一般没有逗号。
4. —It's a little cold. Would you mind closing the window
—_____. I will do it right away.
A. Forget it B. No, you can't C. Not at all D. Of course
【答案】C
【解析】问句问对方“你介意关上窗户吗？”，由答语中的“我马上去关。”可知不介意。 not at all 意为“一点也不”。
实战演练
5—How was your trip to the British Museum
—I could _____ speak English and was completely silent during the visit.
A. hardly B. always C. usually D. often
【答案】A
【解析】用结合语境法。句意为“——你到大英博物馆的旅行怎么样？——我_____能说英语，而且整个参观期间我全程保持沉默”。由答语中的 silent 可知，应答者几乎不能说英语，所以只好沉默。hardly 几乎不。
6. —_____ does your mother go to the supermarket
—Once a week.
A. How often B. How long C. How far
【答案】A
【解析】句意为“——你妈妈多久去一次超市？——每周一次”。once a week 表示频率，用 How often 进行提问；How long 针对多长时间和具体物体的长度进行提问；How far 针对距离进行提问。
实战演练
7. —_____ she is a teacher.
—I don't think so. I think she _____ a doctor because I saw her in the hospital last week.
A. May be; maybe B. Maybe; may be
C. Maybe; maybe D. May be; may be
【答案】B
【解析】用词义辨析法。maybe 是副词，意为“也许，可能”，在句中作状语，常位于句首；may be 中 may 是情态动词，be 是动词原形，两者构成完整的谓语，意为“也许是，可能是”。
8. _____ she is very young, she can take good care of herself.
A. If B. Unless C. Since D. Although
【答案】D
【解析】用词义辨析法。句意为“尽管她非常年轻,但她能照顾好她自己”。If 如果；unless 除非；since 自从……以来；由于； although 尽管；虽然。前后是转折关系，故用 although 引导让步状语从句。
实战演练
9. The children here improve their English _____ listening and speaking every day.
A. on B. to C. with D. by
【答案】D
【解析】句意为“这儿的孩子们每天通过听说来提高他们的英语”。此处的介词 by 意为“通过；凭借；用”，后跟动词的形式。
10.Don't use your mobile phone when you go _____ the road. It's dangerous.
A. through B. over C. into D. across
【答案】D
【解析】用词义辨析法。句意为“当你穿过马路的时候，不要用你的手机。那样做很危险”。through 从物体内部里面穿 过；over 在……上方；into 到……里；across 从物体表面穿过。这里表示穿过马路，要用 across。
实战演练
二、用所给单词的适当形式填空。
1. Six is ______ (little) than seven.
【答案】less
【解析】句意：六比七少。little 很少的，根据句中than可知用比较级，little的比较级是less（更少的）。
2. Jin Yong was a famous________ (write) in China.
【答案】writer
【解析】句意：金庸在中国是一位著名作家。writer 意为“作家”。
3. After weeks and weeks in hospital, the little boy was in good ________ (healthy) again.
【答案】health
【解析】句意：在医院里住了好几个星期之后，小男孩的健康状况又好起来了。固定短语 in good health 意为“身体好”。
实战演练
4.Jenny has_______ (many) pen pals than her sister.
【答案】more
【解析】句意：Jenny有比他妹妹更多的笔友。many 多的，形容词，more 更多的，many的比较级，由后面的than可知用比较级。
5.You should clean your room ______ (one) a day.
【答案】once
【解析】句意：你应该每天打扫你的房间一次。one 一个，once 一次。
实战演练
三、根据所给的中文或单词首字母提示填空。
1. The best thing about autumn, ______ (然而), is my birthday.
【答案】however
【解析】句意：然而，秋天最好的事情是我的生日。however 然而，副词。
2.We can do some shopping, send emails and watch movies o______. The Internet really makes our lives more convenient.
【答案】online
【解析】句意：我们可以在线购物，发邮件和看电影。网络真的让我们生活更便捷。online 在线，副词。
3.Danny_________ (不常) travels by ship.
【答案】seldom或rarely或hardly
【解析】句意：Danny很少坐船去旅行。seldom 不常，很少，副词；rarely 很少地，副词；hardly 几乎不，副词。
实战演练
4. Li Ming pedalled across the city for more t_______ an hour.
【答案】than
【解析】句意：李明用了一个多小时骑车穿过了城市。more than 多于。
5.—What TV p __________do you often watch
—I often watch game shows.
【答案】programmes
【解析】句意：——你经常看什么电视节目？——我经常看游戏节目。programme/program 节目，可数名词；此处用复数形programmes/programs表示泛指。
实战演练
1. I can help my sister learn English. (改为同义句)
I can______ my sister______ her English.
【答案】help; with
【解析】句意：我可以帮助我妹妹学习英语。改为同义句后：我可以帮助我妹妹学习英语。help sb. do sth. 帮助某人做某事。
2. I like many games, for example, basketball and football.
I like many games, ______ ______ basketball and football.
【答案】such; as
【解析】句意：我喜欢许多运动，例如，篮球和足球。同义句为：我喜欢许多运动，例如，篮球和足球。such as例如。
3. His English teacher is over forty years old. (改为同义句)
His English teacher is________ _________ forty years old.
【答案】more; than
【解析】句意：他的英语老师40多岁了。over 超过；more than 超过。
四、根据要求，完成句子。
实战演练
4. He does his lessons in the evening. (改为否定句)
He_______ _______ his lessons in the evening.
【答案】doesn't; do
【解析】句意：他在晚上做功课。改为否定句为：他不在晚上做功课。do one's lesson 做功课，主语为第三人称单数，助动词用does；改为否定句直接在后面加not，动词用原形。
5. My brother plays basketball twice a week. (对画线部分提问)
_______ _______ ________your brother play basketball
【答案】How; often; does
【解析】句意：我哥哥每周打两次篮球。对画线部分提问：你哥哥多久打一次篮球？划线部分是频率；how often 多久一次，询问频率；原句的谓语动词是实义动词第三人称单数形式plays，故在疑问词之后、主语前加助动词第三人称单数形式does构成疑问句。
That's all.Thank you!(共23张PPT)
人教版英语八年级上单元重点知识复习课件
Unit2 How often do you exercise
housework n.家务劳动
hardly adv.几乎不;简直不;刚刚
ever adv.曾经;在任何时候
once adv.一次;曾经
twice adv.两倍;两次
Internet n.因特网
program n.节目;程序;课程;节目单
full adj.满的;充满的;完全的
swing n.摇摆;秋千v.摇摆;旋转
maybe adv.或许;也许;可能
基础夯实
at least至少
hardly ever很少;几乎从不;难得
junk n.垃圾;废旧杂物
coffee n.咖啡;咖啡色
health n.健康;人的身体或精神状态
result .结果;后果
percent adj.百分之...的
online adj.在线的adv.在线地
television n.电视机;电视节目
although conj.虽然;尽管;然而;可是
【重点单词短语过关】
读一读 背一背
mind .头脑;想法;意见;心思
such adj.这样的;如此的
together adv.共同;一
die v.死;枯竭;消失
writer n.作者;作家
dentist n.牙科医生
magazine n.杂志
however adv.然而;无论如何;不管多么
than conj.比
almost adv.几乎;差不多
less adj.更少的;较少的
point n.看法;要点;重点;小数点;目标;分数
swing dance摇摆舞
least adj.最小的;最少的
through prep.穿过;凭借;一直到
body n.身体
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
none pron.没有人;没有任何东西，毫无
【重点单词短语过关】
读一读 背一背
基础夯实
go to the movies 去看电影
look after = take care of 照顾
surf the internet 上网
healthy lifestyle 健康的生活方式
go skate boarding 去划板
keep healthy=stay healthy 保持健康
eating habits 饮食习惯
take more exercise 做更多的运动
the same as 与什么相同
be different from 不同
once a month一月一次
twice a week一周两次
make a difference to 对......有影响/作用
most of the students=most students
shop=go shopping=do some shopping 购
be good for 对......有益
be bad for 对......有害
come home from school放学回家
of course = certainly = sure 当然
get good grades 取得好成绩
keep/be in good health 保持健康
take a vacation 去度假
【重点单词短语过关】
读一读 背一背
基础夯实
重点词句精讲
1.sometimes 频度副词，意为“有时”。同义短语为at times。
e.g. I sometimes play computer games. 我有时候玩电脑游戏。
【辨析】sometimes some times sometime some time
巧记 sometimes, some times, sometime与some time
“有时”相聚加s (sometimes), “几次”分开带s (some times)，相聚为“某时(sometime)”
分开“一段时间（some time）”。
例句：Sometimes I get up very late.
I have read the story some times.
I’ll go to Shanghai sometime next week.
I will stay here for some time.
重点词句精讲
2.how 引导的特殊疑问句以及其对应的答语。
e.g. How often do you go to the factory 你多久去一次工厂？
I go to the factory twice a week. 我两周去一次。
How often do you exercise 你（你们）多久锻炼一次身体？
How often + 助动词 do (does 或 did) + 主语+ do sth. 是问频率（多久一次）,（在这里助动词 do /does/did是起帮助构成疑问的作用）与一般现在时或一般过去时连用, 回答一般是表示频率的副词或短语。
如： always, sometimes, quite often, never, every day, once a week, twice a month, three times a month, three or four times a month 等。
重点词句精讲
【拓展】常考以how 引导的疑问短语
how often “多久一次 ”用于提问always ,once a day等。
how old “多大年龄”用于提问ten years old 等。
how soon “多久以后”用于提问将来时中的in+时间段。
how long “多长时间 ”用于提问一段时间。
how many “多少” 用于提问可数名词的数量。
how much “多少 ” 用于提问不可数名词的数量 或提问价格。
重点词句精讲
3. exercise
exercise v. 锻炼；exercise n. [U]运动；[C]练习
e.g. Let’ s do our exercises. 让我们做练习吧。
Walking is a good exercise. 散步是很好的运动。
Doing morning exercises is good for our health.晨练有助于我们身体健康。
4. Next week is quite full for me. 我下周比较忙。
full 忙的；满的；充满的；饱的 。同义词--busy
e.g. I’ve got rather a full week next week. 我下周会非常忙。
My father has a very full life .我父亲的生活很忙碌。
重点词句精讲
5. How come 为什么呢？
这是英语中的一个口语，相当于汉语的“为什么”、“怎么会”等，既可以独立使用，也可在后接句子，来询问事情的缘由或状况。
e.g. How come the sky is so blue today 今天天怎么会这么蓝？
A: I didn’ t even eat lunch today. 我今天甚至没吃午饭。
B: Really How come 是吗？怎么会呢？
6. But my mother wants me to drink it.
want to do sth. 想要做某事
want sb. to do sth. 想要某人做某事
例句：Do you want to go to the movies with me 你想和我一起去看电影吗？
The teacher doesn’t want us to eat hamburgers.老师不想让我们吃汉堡包
重点词句精讲
7. She says it’ s good for my health. 她说它对我的健康有益。
1)此句为宾语从句, says后面跟的从句的时态必须和主句中谓语动词时态保持一致, 都用
一般现在时。
2) be good for 对……有好处
例如：Vegetables are good for our health.蔬菜对我们的健康有益。
Junk food is not good for our health. 垃圾食品对我们的健康有害。
【拓展】
be good to 对……好
He was good to me when I was ill.我生病时他对我关怀备至。
be good with 善于应付……的
He is very good with children.他对孩子很有一套。
be good at擅长于……的
I'm good at playing chess.我擅长下国际象棋。
重点词句精讲
3). health n. 健康----healthy adj. 健康的----healthily adv.健康地
保持健康→ be/ stay/ keep in good health =be/stay/keep healthy.
eg. It's bad for your health.
Although he is old, he is/stays/keeps in good health. =Although he is old, he is/stays /keeps healthy.
If you want to keep healthy, you should eat healthily.
【拓展】：加前缀un构成反义词，unhealthy不健康的
8. We found that only fifteen percent of our students exercise every day.
percent n.“百分之……”没有复数形式
基数词+percent+ of...“百分之……的……”作主语时，谓语的数和of后的名词，代词保持一致。
Seventy percent of the boys like playing computer games. 男生中70%喜欢玩电脑游戏。
Thirty percent of time passes. 百分之三十的时间过去了。
重点词句精讲
9. Although many students like to watch sports, game shows are the most popular.虽然很多学生喜欢看体育节目，但游戏节目是最受欢迎的。
although是连词，意为“虽然，即使，纵然”，引导让步状语从句，相当于 though，大多数情况下两者可互换。
【注意】：although 引导的从句不能与but 连用，有although 就没有 but（即 although but不同现）。
Although it rained, the boys still played outside.= It rained, but the boys still played outside.
尽管天下雨了，但男孩们仍在外面玩耍。
例子:He didn't say sorry to me. He was wrong (将两句合并为一句）
He didn't say sorry to me although he was wrong.
重点词句精讲
10....but we think the best way to relax is through exercise.
【辨析】through, across ,over
1. through：表示“穿过…...”，所以我们在表达从“门框、窗户、森林”中通过的时候，就用 through 。
The visitors went through the big gate into a nice park. 游客们穿过大门，走进一座漂亮的公园。
Mrs. Sawyear ran through the forest and caught the thief. 索耶夫人跑着穿过森林，抓住了那个贼。
2. across 指“跨过.....”，表示跨越马路、河流等：
The policeman walked across the road after the duckies. 女警察跟在小鸭子们身后，过马路。
Two more bridges has been built over the river. 河上又有两座桥建好了。
3. 表示“翻过...…”只用 over：
The jeep went over the dune with the man. 吉普车随着那个人翻过了沙丘。
He flew over riding his motorcycle. 他驾驶摩托车飞越而过。
重点词句精讲
11.. And twenty percent do not exercise at all!百分之二十的学生根本不运动！
not … at all “一点也不”，注意：not代表了所有否定句，次结构可理解为在否定句末加上at all加强否定句语气。
【拓展】：在口语中单独说 not at all, 可用来表示“不用谢”“没关系”。
The story isn’t interesting at all.那个故事一点也没有趣。
They didn’t enjoy the vacation at all.他们根本不喜欢那次旅行。
The old man can hardly ever use the computer at all. 那位老人一点也不会用电脑。
重点词句精讲
12. Exercise such as playing sports is fun, and you can spend time with your friends and family as you play together.
such as 用来举例，意为“例如；诸如此类的；像······那样的”，结构常为：名词+ such as + 例子。
【注意】：其后面不可列举出所有的事物。
I know four languages, such as, English and Chinese.我了解四种语言，例如英语、汉语。
She likes animals such as rabbits and birds.她喜欢像兔子、小鸟这样的小动物。
【温馨提示】：such as 可与like通用，所举例子只能为单词和短语，但for example 所举例子要为句子。
试对比：
He does sports like/such as running every day.He likes sports.For example, he runs every day.
重点词句精讲
13. … but we were surprised that ninety percent of them use the Internet every day.
surprised 形容词，意思是“感到惊讶的”，修饰人，surprising “令人惊讶”，修饰物。 常用结构：
1）be surprised at sth 对某事感到惊讶
2）be surprised to do sth 做某事而感到惊讶
3）be surprised + that从句 因……而惊讶
我们对这个消息感到很惊讶。We are surprised at the news.
我在这里见到你很惊讶。 I am very surprised to meet you here.
14. So start exercising before it’s too late!所以要赶快锻炼起来，不要等到来不及了。
1）start doing sth/to do sth=begin to do sth/doing sth 开始做某事
2）it’s too late 为时太晚；来不及了
it’s too late与before共同组成从句，表示“不要等到为时已晚；不要等到来不及的时候；趁着还来得及 ”。
Now you know you’re wrong, but it’s too late.现在你知道你错了，但是已经太晚了。
你应当更加用功，别等到为时过晚而赶不上了。
You should work harder before it’s too late to catch up.
语法知识精讲
“频度副词”是用来表示动作频率的，即在一定的时间内动作重复发生或状态重复出现的次数。一般说来可按频率大小排列：
always “总是”，表示动作重复或状态延续。
usually “通常”，表示很少有例外。
often “经常”，表示动作的重复，但不如
sometimes “有时”，表示动作偶尔发生。
seldom 很少
hardly “几乎不”，常和ever连用表示强调。
never “从未”。
频度副词的用法
语法知识精讲
频度副词的位置
1. 在be动词之后。如： She is sometimes very busy. 她有时很忙。
2. 在第一个动词或情态动词之后。如：
I will never forget the first time I met you. 我将永远忘不了和你的第一次见面。
3. 在实义动词之前。如：
We often go there. 我们常去那儿。
4. sometimes也可放在句首、句中或句末，often也可放在句末。如：
Sometimes she writes to me. 她有时候给我写信。
She writes to me often. 她经常给我写信。
语法知识精讲
对这些频度副词提问时，用how often。
如：I write to my brother sometimes.（对sometimes提问）
How often do you write to your brother .
how often 意为 “多久一次”，是用于提问表示 频率 的特殊疑问词组。其答语应为表示 频率 的副词或副词词组。句子的时态一般是一般现在时态，也可以是一般过去时。
如：--How often does he come here 他(每隔)多久来一次
--Once a month. 每月一次。
--How often do you visit your mother 你多长时间看你妈妈一次
--Once a week. 一周一次。
对频率副词及短语提问
语法知识精讲
一次 once， 两次 twice，三次或三次以上用基数词加上 times， 如：three times, five times, one hundred times.
表示“……几次”的表达方法是： once a day / a week / a month / a year
twice a day / a week / a month / a year hree times a day / a week / …
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。
对次数提问使用 how many times
How many times a week do you watch TV
How many times do you watch TV in a week
“次数”的表达方法
1. I go to the movies maybe once a month.我可能一个月看一次电影。
2. —How often does he watch TV 他多久看电视一次
—He hardly ever watches TV.他几乎不看电视。
3. —Do you go shopping 你购物吗
—No, I never go shopping.不，我从来就不购物。
4. Here are the results.下面就是结果。
5. We found that only fifteen percent of our students exercise every day.我们发现仅仅百分之十五的学生每天锻炼。
【单元目标语句回顾】
读一读 练一练
基础夯实
6. We all know that many students often go online, we were surprised that ninety percent of them use the Internet every day.我们都知道很多学生经常上网，我们很吃惊他们中有百分之九十的人每天上网。
7. Although many students like to watch sports, game shows are the most popular.虽然很多学生喜欢看体育节目，但游戏节目依然是最受欢迎的。
8. It is good to relax by using the Internet or watching game shows, but we think the best way to relax is through exercise.通过上网或看游戏节目来放松很好，但是我们认为最好的放松方法还是通过锻炼。
9. It’s healthy for the mind and the body.对思想和身体都很健康。
10. So start exercising before it’s too late!开始锻炼，为时不晚。
【单元目标语句回顾】
读一读 练一练
基础夯实
That's all.Thank you!
