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[主观题]

美国芝加哥大学的演化古生物学家Jack Sepkoski教授,收集了北美、欧洲等地的化石记录,构建了第一

个较为完整的古生物数据库。由于统计的信息较为简单,仅识别出了三次大灭绝事件。()

此题为判断题(对,错)。

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更多“美国芝加哥大学的演化古生物学家Jack Sepkoski教授,收集了北美、欧洲等地的化石记录,构建了第一”相关的问题

第1题

恐龙专家:一些古生物学家声称鸟类是一群叫做厥姆恐龙的后裔。他们通过化石记录发现鸟类和大多数的恐龙相比,厥姆恐龙具有的特征与鸟类更为相似。但是,他们的论述存在致命的缺点——已发现的最早的鸟类的化石比最古老的已知厥姆恐龙的化右早几千万年。因此,古生物学家的声明是错误的。该恐龙专家的论述依赖于下面哪条假设?

A.具有相似的特征是不同类型的生物在进化上相联系的标志;

B.厥姆恐龙和鸟类可能会有共同的祖先。

C.厥姆恐龙化石和早期鸟类化石的知识是完整的。

D.已发现的化石揭示了鸟类和厥姆恐龙起源的相对日期。

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第2题

已知字典dic={'Tommy':100, 'Mary':99, 'Jack':90},则表达式max(dic

已知字典dic={'Tommy':100, 'Mary':99, 'Jack':90},则表达式max(dic.values())的值为()。

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第3题

______并没有发展一种通用的经风险调整后的共同基金业绩评估方法。A.杰克·特雷纳(Jack Treynor

A.杰克·特雷纳(Jack Treynor )

B.尤金·法马(Eugene Fama)

C.威廉·夏普(William Sharpe)

D.迈克尔·詹森(Michael Jensen)

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第4题

Whistling the merry tune, ______.A. his bike was being repairedB. his bike was repaired

Whistling the merry tune, ______.

A. his bike was being repaired

B. his bike was repaired by Jack

C. Jack was repairing his bike

D. Jack's bike was being repaired

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第5题

John: Jack, come and meet myfriend Bob. _____ Jack: Nice to meet you.Bob:Same here.

A.iam very happy

B.Bob,this is Jack

C.Nice to meet you

D.It's my pleasure

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第6题

______ his sister, Jack is quiet and does not easily make friends with others.A.DislikeB.U

______ his sister, Jack is quiet and does not easily make friends with others.

A.Dislike

B.Unlike

C.Alike

D.Liking

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第7题

Jack: Say, Jane, let's go and get a bite to eat.Jane:_________?Jack: How about McD

Jack: Say, Jane, let's go and get a bite to eat.

Jane: _________?

Jack: How about McDonald's?

Jane: Great.

A. Where to

B. What for

C. How to

D. Why so

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第8题

Jack wishes that he ______ness instead of history when he was at university.A.studiedB.stu

Jack wishes that he ______ness instead of history when he was at university.

A.studied

B.study

C.had been studied

D.had studied

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第9题

The first, second, and third prizes went to Jack, Tom, and Harry ______.A.equallyB.differe

The first, second, and third prizes went to Jack, Tom, and Harry ______.

A.equally

B.different

C.similarly

D.respectively

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第10题

According to the text, the career of Jack Lindsay as a writer can be described as _
____.

[A]inventive

[B]productive

[C]reflective

[D]inductive

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第11题

The author of this passage implies that nowadays the story of Jack would be______.A.believ

The author of this passage implies that nowadays the story of Jack would be______.

A.believable

B.inspiring

C.unbelievable

D.sad

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