英语作文写作开头句topic-sentence
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sentences to give more detailed information about
the topic sentence.
a sentence to end a paragraph or to summarize(总结） the ideas.
The Topic Sentence
• The characteristics of a topic sentence • The positions of a topic sentence
types of sentences paragraph:
plamy adiifnfelyreanbt oroulte.s
in
a
1.Topic sentence; (主题句 ) 2.Supporting sentences;(扩展句/阐述句 ) 3.Concluding sentence. (结论句/结尾句 )
• Animals in danger of becoming extinct come from a wide range of countries.
• Effective leadership requires specific qualities that anyone can develop.
3) There are quite a few unusual superstitions in China about marriage.
Read the following topic sentences and then identify the topic and the controlling idea in each sentence • People can avoid burglaries by taking certain precautions.
The Characteristics
1) The topic sentence must be a complete sentence. 2) The topic sentence should always contain both a
topic and a controlling idea.
The Topic Sentence = Topic + Controlling Idea
3) The topic sentence should be neither too general nor too specific.
Examples: 1) The importance of reading widely.
• Fixing a flat tire on a bicycle is easy if you follow these steps.
• Riding a bicycle gives pleasure.
• There are several enjoyable ways to travel between the US and Queretaro.
英语作文写作开头句topic-sentence
What is the structure of a paragraph?
This is the staruscetunrteeonfcaeptaorateglrlatphhe! reader
Generally speakwinhga, tthtehseeptharreaegdraifpfehreinst
Revised • The shapes of clouds are determined by various
factors.
Thank you !
谢谢观赏
Revised:
a) There are two reasons why some people like to buy cars with automatic transmission. OR (in a different paragraph):
b) There are two reasons why some people like cars with manual transmission.
Here are some examples of sentences that cannot be used as topic sentences. Can you figure out why they are inappropriate? 1) My hometown is famous because it is located by
• Industrial waste poured into Lake Michigan has led to dramatic changes in its ability to support marine life.
• In order to fully explore the wreck of the Titanic, scientists must address several problems.
Wheaton River, which is very wide, and because it is built near an unusually steep hill called Wheaton Hill. Analysis:
The problem with this sentence is that it contains too many details. Topic sentences are general, and details should appear later in the paragraph.
The topic tells the reader what the paragraph is about. (general)
The controlling idea is a key word or phrase that expresses the basic point of a paragraph.(specific)
Note: a controlling idea commits the paragraph to a specific aspect of the topic.
e.g.
1) Convenience foods are easy to prepare.
2) Alcoholic beverages should be banned from college campuses for two reasons.
(suitable)
Group 3
(too general)
1) To play any kind of musical instrument, one needs
to know something about the instrument.
2) TO play any kind of drum requires a good sense of rhythm. (suitable)
3) American food is tasteless and greasy. (suitable)
Group 2 1) Many voters supported the candidate. (too general)
2) Many voters passively supported the candidate.
Discussion: which of the following statement is general, specific or suitable?
Group 1
1) American food is terrible. (too general)
2) American food is tasteless and greasy because Americans use too many canned, frozen, and packaged foods and because everything is fried in oil or butter. (too specific)
• There are several advantages to growing up in a small town.
• Most US universities require a 550 point TOEFL score for a number of reasons.
• Air pollution in Mexico City is the worst in the world for a number of reasons.
3) Clouds are white. Analysis
The problem with this sentence is that it is too general. It is also very boring! Would you like to read a paragraph with this topic sentence? Most people would not.
Reading widely is very important in improving one’s reading comprehension. 2) Fire accidents in big cities. Recently years have witnessed a marked growth of fire accidents in big cities in our country. 3) To make all the decisions for children. Parents in China tend to make all the decisions for their children.
Revised: My hometown is famous for several amazing geographical features.
ຫໍສະໝຸດ Baidu
2) There are two reasons why some people like to buy cars with automatic transmission and two reasons why others like cars with manual transmission.
Analysis:
This sentence is not appropriate as a topic sentence because it mentions two topics, not just one. Paragraphs are usually about one main thing and so their topic sentences should also be about only one main thing.
the topic sentence.
a sentence to end a paragraph or to summarize(总结） the ideas.
The Topic Sentence
• The characteristics of a topic sentence • The positions of a topic sentence
types of sentences paragraph:
plamy adiifnfelyreanbt oroulte.s
in
a
1.Topic sentence; (主题句 ) 2.Supporting sentences;(扩展句/阐述句 ) 3.Concluding sentence. (结论句/结尾句 )
• Animals in danger of becoming extinct come from a wide range of countries.
• Effective leadership requires specific qualities that anyone can develop.
3) There are quite a few unusual superstitions in China about marriage.
Read the following topic sentences and then identify the topic and the controlling idea in each sentence • People can avoid burglaries by taking certain precautions.
The Characteristics
1) The topic sentence must be a complete sentence. 2) The topic sentence should always contain both a
topic and a controlling idea.
The Topic Sentence = Topic + Controlling Idea
3) The topic sentence should be neither too general nor too specific.
Examples: 1) The importance of reading widely.
• Fixing a flat tire on a bicycle is easy if you follow these steps.
• Riding a bicycle gives pleasure.
• There are several enjoyable ways to travel between the US and Queretaro.
英语作文写作开头句topic-sentence
What is the structure of a paragraph?
This is the staruscetunrteeonfcaeptaorateglrlatphhe! reader
Generally speakwinhga, tthtehseeptharreaegdraifpfehreinst
Revised • The shapes of clouds are determined by various
factors.
Thank you !
谢谢观赏
Revised:
a) There are two reasons why some people like to buy cars with automatic transmission. OR (in a different paragraph):
b) There are two reasons why some people like cars with manual transmission.
Here are some examples of sentences that cannot be used as topic sentences. Can you figure out why they are inappropriate? 1) My hometown is famous because it is located by
• Industrial waste poured into Lake Michigan has led to dramatic changes in its ability to support marine life.
• In order to fully explore the wreck of the Titanic, scientists must address several problems.
Wheaton River, which is very wide, and because it is built near an unusually steep hill called Wheaton Hill. Analysis:
The problem with this sentence is that it contains too many details. Topic sentences are general, and details should appear later in the paragraph.
The topic tells the reader what the paragraph is about. (general)
The controlling idea is a key word or phrase that expresses the basic point of a paragraph.(specific)
Note: a controlling idea commits the paragraph to a specific aspect of the topic.
e.g.
1) Convenience foods are easy to prepare.
2) Alcoholic beverages should be banned from college campuses for two reasons.
(suitable)
Group 3
(too general)
1) To play any kind of musical instrument, one needs
to know something about the instrument.
2) TO play any kind of drum requires a good sense of rhythm. (suitable)
3) American food is tasteless and greasy. (suitable)
Group 2 1) Many voters supported the candidate. (too general)
2) Many voters passively supported the candidate.
Discussion: which of the following statement is general, specific or suitable?
Group 1
1) American food is terrible. (too general)
2) American food is tasteless and greasy because Americans use too many canned, frozen, and packaged foods and because everything is fried in oil or butter. (too specific)
• There are several advantages to growing up in a small town.
• Most US universities require a 550 point TOEFL score for a number of reasons.
• Air pollution in Mexico City is the worst in the world for a number of reasons.
3) Clouds are white. Analysis
The problem with this sentence is that it is too general. It is also very boring! Would you like to read a paragraph with this topic sentence? Most people would not.
Reading widely is very important in improving one’s reading comprehension. 2) Fire accidents in big cities. Recently years have witnessed a marked growth of fire accidents in big cities in our country. 3) To make all the decisions for children. Parents in China tend to make all the decisions for their children.
Revised: My hometown is famous for several amazing geographical features.
ຫໍສະໝຸດ Baidu
2) There are two reasons why some people like to buy cars with automatic transmission and two reasons why others like cars with manual transmission.
Analysis:
This sentence is not appropriate as a topic sentence because it mentions two topics, not just one. Paragraphs are usually about one main thing and so their topic sentences should also be about only one main thing.