英文學術寫作範例：避免濫用論文開頭為It is、There is或There are的句子

在學術論文中，我們經常看到以it is、there is、there are開頭的句子，然而這樣的開頭句較為非正式的用法。我們將列舉在學術論文中常見的it is、there is、there are句子，同時提供經由修飾後較為正式標準的句子給大家參考。

1. It is vital that applicants submit their applications by the deadline.
2. There is a law that forbids people from importing chewing gum into Singapore.
3. It is clear that energy shortages and climate deterioration are major problems that are facing the world.
4. There are some disadvantages to employing the additional member system, including the creation of two types of legislator, voter confusion regarding the difference between the two votes, and the possibility of minor extremist parties winning representation.
5. It is reasonable for investors to use the new system to explore market trends and seek out new opportunities.
6. It is difficult to diagnose Irumodic syndrome disease quickly in patients aged 10–20 years.
7. There is a general consensus on the definition of ecoinnovation.
8. It is a blue crystalline substance with an offensive odor.
9. There is a lack of observational evidence to confirm this hypothesis.
10. There are attacks that can devastate a system with only a single packet.

答案:

1. Applicants must submit their applications by the deadline.
2. A law forbids people from importing chewing gum into Singapore.
3. Energy shortages and climate deterioration are major problems that are facing the world. 註解1
4. Disadvantages to employing the additional member system include the creation of two types of legislator, voter confusion regarding the difference between the two votes, and the possibility of minor extremist parties winning representation.
5. Investors can use the new system to explore market trends and seek out new opportunities.
6. Irumodic syndrome is difficult to diagnose quickly in patients aged 10–20 years.
7. A general consensus exists on the definition of ecoinnovation.
8. It is a blue crystalline substance with an offensive odor.  註解2
9. No observational evidence confirms this hypothesis or Scant observational evidence supports this hypotheses.
10. Attacks exist that can devastate a system with only a single packet.

額外相關閱讀推薦：

1. 「Notorious」你知道該如何正確使用這個字嗎？
2. 如何在句子中正確使用such as和including？
3. 如何正確使用Respectively來釐清句子語意，避免越用越混淆的情況？
4. 如何正確使用since

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