内容正文:
Unit 1 Topic 2 Section B
课文讲解及课文句子成分分析
一 .课文及翻译 :
( Kangkang is reading a report on population in the newspaper .)
(康康正在报纸上阅读一篇关于人口的报道。)
Kangkang : Wow ! What a large population !
康康:哇!人口真多啊!
Maria :What ?
玛丽亚:什么?
Kangkang : Look , it says the world has a population of 6.8 billion . And it is increasing by 80 million every year .
康康:看,报道上说世界人口已经达到了68亿。而且每年还在增加8000万。
Maria :Mmm , that ' s really a lot . Which country has the largest population ?
玛丽亚:嗯,那真的很多。哪个国家的人口最多?
Kangkang : China has the largest population . It has already reached 1.3 billion , and India is second with 1.1 billion .
康康:中国的人口最多。已经达到13亿了,印度排第二,有11亿。
Maria :What ' s the population of the USA ?
玛丽亚:美国的人口是多少?
Kangkang :309 million .
康康:3.09亿。
Maria :Oh , I see . It shows that the population in developing countries is larger than that in developed countries , doesn ' t it ?
玛丽亚:哦,我明白了。这说明发展中国家的人口比发达国家的人口多,对吧?
Kangkang : Yes . What ' s more , the population in developing countries is growing faster .
康康:是的。而且,发展中国家的人口增长得更快。
Maria :So it is . The population problem has become more serious in developing countries .
玛丽亚:确实如此。发展中国家的人口问题已经变得越来越严重了。
Kangkang : Luckily , China has already carried out the one - child policy to control the population .
康康:幸运的是,中国已经实行了计划生育政策来控制人口。
二 .课文句子成分分析及知识点 :
1. Kangkang is reading a report on population in the newspaper.
句子成分分析:
主语:Kangkang
谓语:is reading
宾语:a report
介词短语作定语:on population(关于人口的)
介词短语作地点状语:in the newspaper(在报纸上)
知识点:现在进行时,介词短语作定语和状语
短语:on population(关于人口的),in the newspaper(在报纸上)
拓展短语:on environment(关于环境的),in the book(在书中),on education(关于教育)
2. Kangkang : Wow ! What a large population !
句子成分分析:
感叹词:Wow!
感叹句:What a large population!
主语和谓语被省略,完整形式可能是“This is what a large population!”
修饰语:What a(多么)
名词:population
知识点:感叹句,省略句
短语:What a large population!(多么大的人口啊!)
拓展短语:What a beautiful day!(多么美好的一天啊!),What a terrible mistake!(多么可怕的错误啊!)
3. Maria :What ?
句子成分分析:
疑问词:What
问号表示这是一个疑问句
知识点:简单疑问句
短语:无特定短语,仅为疑问词
拓展短语:What time is it?(几点了?),What color is it?(它是什么颜色的?)
4. Kangkang : Look , it says the world has a population of 6.8 billion .
句子成分分析:
祈使句:Look
主语:it
谓语:says
宾语从句:the world has a population of 6.8 billion
主语:the world
谓语:has
宾语:a population
介词短语作定语:of 6.8 billion(68亿的)
知识点:祈使句,宾语从句,介词短语作定语
短语:a population of(...的人口),of 6.8 billion(68亿的)
拓展短语:a number of(许多),a kind of(一种)
5. And it is increasing by 80 million every year .
句子成分分析:
并列连词:And
主语:it
谓语:is increasing
介词短语作状语:by 80 million(每年8000万)
时间状语:every year
知识点:现在进行时,介词短语作状语
短语:by 80 million(每年8000万),every year(每年)
拓展短语:by 50%(增加50%),every day(每天)
6. Maria :Mmm , that ' s really a lot .
句子成分分析:
感叹词:Mmm
主语和系动词省略(完整形式可能是“That is really a lot.”)
表语:really a lot
知识点:省略句,形容词修饰名词
短语:really a lot(真的很多)
拓展短语:really interesting(真的很有趣),really good(真的很好)
7. Which country has the largest population ?
句子成分分析:
疑问词:Which country
谓语:has
宾语:the largest population
知识点:特殊疑问句,形容词最高级
短语:the largest population(最大的人口)
拓展短语:the best student(最好的学生),the highest mountain(最高的山)
8. Kangkang : China has the largest population .
句子成分分析:
主语:China
谓语:has
宾语:the largest population
知识点:陈述句,形容词最高级
短语:与上一句相同
9. It has already reached 1.3 billion , and India is second with 1.1 billion .
句子成分分析:
并列句,由逗号和and连接
第一分句:
主语:It(指代China)
谓语:has reached
宾语:1.3 billion
状语:already
第二分句:
主语:India
谓语:is
表语:second
介词短语作状语:with 1.1 billion(有11亿)
知识点:并列句,现在完成时,介词短语作状语
短语:with 1.1 billion(有11亿),already(已经)
拓展短语:with great enthusiasm(以极大的热情),already done(已经完成)
10. Maria :What ' s the population of the USA ?
句子成分分析:
疑问词:What's(What is的缩写)
主语:the population
介词短语作定语:of the USA(美国的)
问号表示这是一个疑问句
知识点:特殊疑问句,介词短语作定语
短语:the population of(...的人口)
拓展短语:the capital of(...的首都),the language of(...的语言)
11. Kangkang: 309 million.
句子成分:
主语:无(这是一个简单的数量表达)
谓语:无
宾语:309 million(数量短语作独立成分)
知识点:
数量表达:使用“million”表示百万级别的数量。
独立成分:在某些语境下,如对话或列表,数量短语可以独立存在,不直接构成句子的一部分。
12. Maria: Oh, I see. It shows that the population in developing countries is larger than that in developed countries, doesn't it?
句子成分:
主语:It(形式主语,真正的主语是后面的从句)
谓语:shows
宾语从句:that the population in developing countries is larger than that in developed countries
附加疑问句:doesn't it?
短语及拓展:
in developing countries:在发展中国家
in developed countries:在发达国家
larger than:比...大
that in developed countries:省略了“the population”,避免重复。
知识点:
形式主语:It作为形式主语,用于避免句子头重脚轻。
宾语从句:由that引导,说明主语“It”所代表的内容。
省略:在宾语从句中,为了避免重复,可以省略与前文相同的部分。
附加疑问句:用于对前面的陈述句进行反问,以确认信息的真实性。
13. Kangkang: Yes. What's more, the population in developing countries is growing faster.
句子成分:
主语:the population in developing countries
谓语:is growing
状语:What's more(插入语),faster(副词作状语)
短语及拓展:
What's more:而且,更重要的是
is growing faster:增长得更快
知识点:
插入语:What's more作为插入语,用于进一步强调或补充信息。
比较级:faster是fast的比较级,表示“更快”。
14. Maria: So it is. The population problem has become more serious in developing countries.
句子成分:
主语:The population problem
谓语:has become
表语:more serious
状语:in developing countries
短语及拓展:
So it is:确实如此(用于同意对方的观点)
has become more serious:已经变得更加严重
知识点:
现在完成时:has become表示“已经成为”,强调过去发生的动作对现在的影响。
比较级:more serious是serious的比较级,表示“更严重的”。
15. Kangkang: Luckily, China has already carried out the one-child policy to control the population.
句子成分:
状语:Luckily
主语:China
谓语:has already carried out
宾语:the one-child policy
目的状语:to control the population
短语及拓展:
Luckily:幸运的是
has already carried out:已经实施了
the one-child policy:独生子女政策
to control the population:为了控制人口
知识点:
现在完成时:has already carried out表示“已经实施了”,强调过去的动作对现在的影响。
不定式作目的状语:to control the population表示实施政策的目的。
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