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Towel mango 169 Posted 8 years ago
Grammar

Could you let me know this structure?

Hi, this is a part of IELTS reading passage.

I don't know how this structure is possible, because the start part is not a clause and sentence.

Plausible as this seems, it is still a theory and based on our more comprehensive knowledge of land-based animals. 

Could you tell me what original sentence is and how it become like that?


a hazardhuman divers know all too well. If a diver ascends too quickly from a high-pressure underwater environment to a lower-pressure one, gases dissolved in blood and tissue expand and form bubbles. The bubbles block the flow of blood to vital organs, and can ultimately lead to death.

D Plausible as this seems, it is still a theory and based on our more comprehensive knowledge of land-based animals. For this reason, some scientists are wary. Whale expert Karen Evans is one such scientist. Another is Rosemary Gales, a leading expert on whale strandings. She says sonar technology cannot always be blamed for mass strandings. "It’s a case-by-case situation. Whales have been

  

Top answer

Plausible as this seems, it is still a theory and based on our more comprehensive knowledge of land-based animals. There is an understood "as" at the beginning. As plausible as this seems...

  • Plausible as this seems, it is still a theory and based on our more comprehensive knowledge of land-based animals.
  • There is an understood "as" at the beginning.
  • As plausible as this seems...
  • The underlined is an adverbial.
  • I would call it a conjunctive adverb, a transition phrase such as nevertheless, however, or moreover .
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2 Answers
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Plausible as this seems, it is still a theory and based on our more comprehensive knowledge of land-based animals.

There is an understood "as" at the beginning.

As plausible as this seems...

The underlined is an adverbial. I would call it a conjunctive adverb, a transition phrase such as nevertheless, however, or moreover.

"This" refers to a

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Plausible as this seems, it is still a theory and based on our more comprehensive knowledge of land-based animals. 

This means

Although this seems plausible,it is still a theory and based on our more comprehensive knowledge of land-based animals.

It's not a common s

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