Qin Lecture Three How to write an Introduction

如何给同学们讲课英语作文Alright, everyone, today we're going to talk about writing English essays. It's really important to have aclear structure in your essay. Start with an introduction that grabs the reader's attention and clearly states your main idea. Then, in the body paragraphs, provide supporting evidence and examples. Finally, wrap it up with aconclusion that summarizes your main points and leaves a lasting impression.When it comes to vocabulary, don't be afraid to use a variety of words to express your ideas. Using synonyms and different phrases can make your writing more interestingand engaging. Also, pay attention to the tone of your essay. Depending on the topic, you might need to use a formal or informal tone, so be mindful of the language you choose.Grammar is super important in writing essays. Make sure to use proper punctuation, subject-verb agreement, and sentence structure. Also, watch out for common mistakeslike run-on sentences and fragments. Proofreading your work is essential to catch any errors and make sure your writing is clear and concise.Another thing to keep in mind is the use of transitions. These words and phrases help connect your ideas and make your writing flow smoothly. They can show the relationship between different points and guide the reader through your essay. So, be sure to use transitions effectively to create a cohesive piece of writing.Lastly, practice makes perfect. The more you write, the better you'll get. Don't be afraid to experiment with different styles and techniques. And don't forget to read other essays to see how successful writers put their ideas into words. Alright, that's all for today. Happy writing, everyone!。

1 Polylactide (PLA) has received much attention in recent years due to its biodegradable properties, which offer important economic benefits. 2 PLA is a polymer obtained from corn and is produced by the polymerisation of lactide. 3 It has many possible uses in the biomedical field (Yi, 2001) and has been investigated as a potential engineering material (Dai et al., 1999; Miller et al., 2002). 4 However, it has been found to be too weak under impact to be used commercially (Li and Gao, 2002).
However, it has been found to be too weak under impact to be used commercially (Li and Gao, 2002).
To talk about actions that are clearly in the past.
To talk about something that happened in the past that is important to the present.
Read the following sentences. Which sentence is important to the present research?

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The Conclusion
Remind your reader why you have been writing this essay!
It’s been a long while since your Topic Sentence!
So, rephrase your Topic Sentence.
this paper I have explained...")
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Sample Conclusion:
Macbeth started off as a hero and ended up a hated tyrant. Such power-hungry people are still around today and continue to cause great instability in society. That is why we continue to have political unrest and wars and we hear about them daily in the news. Sadly, Shakespeare has shown us that selfish, naked ambition is one of humanity’s timeless vices.
If your introduction went from general to specific, make your conclusion go from specific to general.
Think globally.
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Suggestions
4. Echoing the introduction: Echoing your introduction can be a good

三堂课有什么讲究英语作文Lesson One: Understanding the BasicsThe foundation of any good English composition lies in astrong grasp of the basics. This includes a thorough understanding of grammar, punctuation, and sentence structure. Begin by familiarizing yourself with the various parts of speech and how they function within a sentence. Practice constructing simple sentences and gradually move on tocomplex ones, ensuring that each sentence is clear and concise.Next, focus on punctuation, which serves to clarify meaning and improve the flow of your writing. Learn the rules forusing commas, semicolons, colons, and other punctuation marks correctly. Remember that proper punctuation can often be the difference between a sentence that is easily understood and one that is confusing or ambiguous.Finally, pay attention to the structure of your paragraphs. Each paragraph should have a clear topic sentence, followedby supporting sentences that develop the idea, and a concluding sentence that ties it all together.Lesson Two: Enhancing Vocabulary and StyleOnce you have a firm grasp of the basics, it's time toelevate your writing by expanding your vocabulary andrefining your style. Read widely to encounter new words and phrases, and keep a journal to note down unfamiliar terms. Practice using these new words in context to ensure you understand their meanings and connotations.When it comes to style, strive for originality and clarity. Avoid clichés and overused expressions. Instead, aim to express your thoughts in a unique and engaging manner. Experiment with different writing styles, such as formal, informal, or persuasive, and adapt your style to suit the purpose of your composition.Lesson Three: The Art of Revision and EditingThe final lesson is perhaps the most crucial: learning to revise and edit your work effectively. A first draft israrely perfect, and it's through revision that your composition can truly shine. Begin by reading through your composition to check for any glaring errors or inconsistencies. Look for grammatical mistakes, awkward phrasing, and unclear transitions.Next, focus on the flow and coherence of your writing. Ensure that your ideas are well-organized and that each paragraph contributes to the overall argument or narrative. Consider the use of transitions to guide your reader smoothly from one point to the next.Finally, polish your writing by refining your word choice and sentence structure. Aim for variety in sentence length and structure to maintain reader interest. Be ruthless in cuttingout unnecessary words and phrases that do not add value to your composition.In conclusion, mastering the art of English composition requires a solid understanding of the basics, a rich and adaptable vocabulary, and the discipline to revise and edit your work meticulously. By focusing on these three lessons, you can significantly improve your writing skills and craft compelling English compositions.。