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2013八年级英语第二单元解析

发布时间:2013-12-30 13:54:28  

重点短语:

help with housework 帮助家务 on weekends 在周末 not…at all 一点儿也不 do exercise 做锻炼 go to the movies 去看电影 go shopping 去购物

use the Internet 使用互联网 stay up熬夜 at least 至少 be good for 对…有益处

junk food 垃圾食品 go camping 去野营 ask sb about sth 询问某人某事

1. How often do you exercise?你多久锻炼一次?

how often 意为“多久一次”,用于询问某动作间隔多久进行一次,即询问动作发生的频率,通常对一些表示频率的副词提问。

例如: 1.--How often do you go shopping?--Once a week.

你多久购物一次?一周一次。

2.How often does Li Ming go to the movies? 李明多久去看一次电影?

2. What do you usually do on weekends?你周末通常做什么?

on weekends 泛指“在周末”,表示的意义是“每个周末都包含在其中”;on the weekend 意为“在这个/那个周末”,表示的意义是“说话双方都清楚的,特定的那个周末”。

例如:1. My uncle goes fishing on weekends. 我舅舅每个周末都去钓鱼。

2.They watched TV on the weekend. 他在在那个周末看了电视。

此外,与on weekends 相对应的是 on weekdays,意为“在工作日”。 例如:Students go to school on weekdays. 学生们周一到周五去上学。 We go to work on weekdays. 我们周一到周五去工作。

4. do exercise 意为“锻炼”,相当于“exercise”.

exercise即可作名词也可作动词;作动词时意为“锻炼”;作可数名词时意为“练习题”;作不可数名词时作意为“锻炼”。

5. hardly ever意为“几乎不”,hardly ever 结构中ever经常可以省去,不影响意思。

例如:Tom hardly ever reads newspaper.= Tom hardly reads newspaper. 汤姆几乎不阅读报纸。

hardly 和 hard 区别:

(1) hard即可作形容词也可作副词。作形容词时意为“困难的/硬的”;作副词

时意为“努力地/猛烈地”;

例如:My cousin worked hard at school. 我表哥在学校努力地学习。 This stone is very hard. 这块石头非常硬。

(2) hardly是表示否定意义的副词,意为“几乎不、几乎没有”;

例如:There is hardly any water in the cup. 杯子里面几乎没有水了。

6.three times a week. 一周三次。

表示次数结构:一次和两次分别用once和twice表示,三次或以上用“基数词+times”表示

例如:once a month 一月一次 twice a year 一年两次 four times a day 一天四次

7. What is your favorite program? 你最喜欢的节目是什么?

favorite 意为“最喜欢的”相当于“like…best”

What is your favorite program? = Which program do you like best?

Who is your favorite singer?= Which singer do you like bestt?

9.I have dance and piano lessons. 我有舞蹈课和钢琴课。

具体课程构成方法:“学科/物品+lesson”。

例如:English lesson 英语课 tennis lesson 网球课 Chinese lesson 语文课

10.What kind of dance are you learning? 你学习哪一类舞蹈?

(1)“what kind of…”用于提问“什么种类的…”

例如: What kind of sports do you like? 你喜欢什么种类的运动?

What kind of teachers do you like?你喜欢什么样的老师?

11. I go to the movies maybe once a month.我一个月去看一次电影。

maybe和 may be的区别:

maybe是副词,意为“也许、可能”,在句中作状语,常位于句首;

例如:Maybe He is at home. 可能他在家。

Maybe it’s going to rain. 可能要下雨了。

在may be中,may 是情态动词,be是动词原形,两者构成完整的谓语形式,意为“也许是、可能是”

例如:He may be at home. 他也许在家。

Lucy may be wrong. 露西也许是错误的。

maybe和 may be的转换:

例如:Maybe He is at home. = He may be at home.

Maybe Lucy is wrong. = Lucy may be wrong.

12. He plays at least twice a week. 他一周至少踢两次。

at least 意为“至少”,一般置于动词或动词短语之后,次数之前。

例如:I go to the movies at least three times a week. 我一周至少去三次电影院。 I have fish at least five times a week. 我一周至少吃五次鱼。

13. She says it’s good for my health. 她说这对我的健康有好处。

be good for意为“对…有好处、对…有益”;其反义词组是“be bad for”意为“对…有害”

例如:Vegetables are good for your health. 蔬菜对身体健康有好处。

Running in the morning is good for our health. 在早晨跑步对健康有好处。

Watching TV too much is bad for your eyes.看太多电视对你的眼睛有害。 Junk food is bad for your health. 垃圾食品对你健康有害处。

14. How many hours do you sleep every night? 你每天晚上睡几个小时。

本句是特殊疑问句,how many 后要接可数名词复数,再加一般疑问句。而how much 后接不可数名词,再加一般疑问句。

例如: How many apples are there in the basket? 篮子里有多少苹果?

How much water do you want?你要多少水?

15. Last month we asked our students about their free time activities.

上个月我们询问了我们的学生们他们业余时间的活动。

in one’s free time 意为“在某人空闲的时间”;

例如: What do you do in your free time? 你在闲余时间做什么?

Mr. Lee likes fishing in his free time. 李先生在空闲时间喜欢钓鱼。

16. But we were surprised that ninety percent of them use the Internet every day. 但出乎我们意料的是他们中有90%每天都上网。

(1) be surprised 后接that从句,意为“对…很惊讶”

例如:The teacher was surprised that she was late for school.

老师很惊讶她竟然迟到了。

(2) to one’s surprise “令人惊讶的是”

例如:To our surprise,he is a police. 令我们惊讶的是,它是一名警察。

17. It is good to relax by using the Internet or watching game shows.

通过上网或看游戏类节目来放松没有错。

by + ving构成方式状语,表示“通过某种方式、手段做事”,by后面接名词、代词、动名词。

例如:Jacky learned English by reading books.

杰克通过读书学习英语。

She made money by writing. 通过写作赚钱。

18.What does the writer think is the best way to relax. 作者认为最好的放松方式是什么?

the best way意为“最好的方法”;后面的to relax 做后置定语。

例如:The best way to travel is on foot. 最好的旅行方式是步行。

I think reading English book is the best way to study English.

我认为阅读英语书籍是学习英语最好的方法。

19.Jane is a 16-year-old high school student in the United States.

简是一名16岁的美国高中生。

16-year-old 是复合形容词,作定语,修饰名词,在复合形容词中的名词只能用单数,不用复数。

例如:three 10-year-old boys 三个十岁的男孩 a 2-meter-tall tree 一颗两米高的树

20.health作名词,意为“健康、健康状况”

其形容词为healthy“健康的”,否定形式是unhealthy“不健康的”

常用短语:keep in good health = keep healthy保持身体健康 in bad/poor health 身体不好

You should eat healthy food to keep in good health.你应该吃健康食物来保持身体健康。

21.although 和 though

although=though用做连词,意为“虽然、尽管”,这两个词都不能与but连用,即这两个单词不能和but同时出现在一个句子里面。

例如:Although/though he is tired,he go on working. 虽然他很累,但是他继续工作。

Although/though it is raining,they go out. 虽然正在下雨,但是他们出去了。

22.however 和 but “然而、但是”

however是副词,可位于句首。句末或句中,且常用逗号将其与句子的其他部分隔开。

but是并列连词,直接引出分句,无需用逗号与后面句子分开。

例如:They worked hard,however,they lost the game.他们用功练习,但还是输了比赛。

I want to visit my friends,but I have to do my homework.

我想要去拜访友人,但我不得不完成作业。

23.more than “超过,多于,不仅仅”, 相当于 over. 反义词组为:less than. 例如:I lived in Shanghai for more than / over ten years.我在上海居住超过十年

了。

There are more than/over 50 students in the classroom.有超过50个学生在

班里。

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