题目内容（请给出正确答案）

[主观题]

The authors attitude toward Dr. Schweitzer and Dr. Goodwins speculation on the possibility

of DNA preservation is

A．skeptical.

B．supportive.

C．indifferent.

D．optimistic.

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更多“The authors attitude toward Dr…”相关的问题

第1题

We can infer from the last two paragraphs thatA．dinosaurs" DNA was not replicated in the f

We can infer from the last two paragraphs that

A．dinosaurs" DNA was not replicated in the fiction world of "Jurassic Park".

B．DNA disappears in about 1,000 years and can"t be found in fossils.

C．iron nanoparticles can help the DNA to last longer than 521 years.

D．iron might play a critical role in keeping DNA in the animal fossils.

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第2题

Researchers conducted an experiment using freshly slaughtered ostriches to prove thatA．sof

Researchers conducted an experiment using freshly slaughtered ostriches to prove that

A．soft tissues pre-soaked in blood and put in saline solution won"t disappear.

B．reactive ions interact with organic tissues to form. abnormal chemical bonds.

C．iron from blood cells has great influence on the preservation of animal tissues.

D．proteins tied in knots are unrecognizable to bacterias that would consume them.

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第3题

In 2012, Dr. Schwaitzers discovery of the same protein in dinosaurs and modern birds could

possibly prove

A．dinosaurs might be the probable ancestors of modern birds.

B．soft-tissue material could have come from modern bacteria.

C．fossils should be protected from bacterial contamination.

D．organic molecules of dinosaurs could survive in fossils.

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第4题

According to the passage, scientists havent had any doubt about a palaeontological doctrin

e that

A．animal bodies tend to be destroyed by different elements.

B．some corpses of animals turn into preserved rock formation.

C．minerals from underground water form. organic material.

D．the remains of animals are usually covered by sediment.

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第5题

What is the passage mainly about?A．A casual chat among drinkers in some pubs in Koreatown.

What is the passage mainly about?

A．A casual chat among drinkers in some pubs in Koreatown.

B．An academic speech about pub cultures in Koreatown.

C．An informative introduction about Koreatown pubs.

D．An insightful discussion about pub features among a research group.

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第6题

Which of the following descriptions about L. A. and its pubs is INCORRECT?A．Dive bars stil

Which of the following descriptions about L. A. and its pubs is INCORRECT?

A．Dive bars still use juke boxes.

B．Developers in L. A. preserve its history.

C．HMS Bounty bar welcomes strangers.

D．Wilshire looks quite exotic.

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第7题

According to the author, Bukowski was a poet whoA．had a distinctively special voice.B．live

According to the author, Bukowski was a poet who

A．had a distinctively special voice.

B．lived his life with a messy veneer.

C．disliked rainy nights in L. A.

D．organized protests against Oprah.

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第8题

We can infer from the passage that TaylorsA．has a long history of almost fifty years.B．har

We can infer from the passage that Taylors

A．has a long history of almost fifty years.

B．harmonizes with the surroundings.

C．locates on one side of Langer"s in a park.

D．receives huge endorsement from customers.

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第9题

According to the passage, in an American steakhouse, customers canA．have tasty steak serve

According to the passage, in an American steakhouse, customers can

A．have tasty steak served for presidents.

B．take a look at the life of the pastors.

C．have the enjoyment of old country life.

D．create some spirit drinks by themselves.

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第10题

What is the best title for the passage?A．What Wall Street Can Do to Avoid Over-regulationB

What is the best title for the passage?

A．What Wall Street Can Do to Avoid Over-regulation

B．Battle between Wall Street And the Government

C．Wall Street in Dilemma: Lawsuit or Over-regulation

D．Wall Street Blamed for Economic Crisis

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