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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…”相关的问题
第1题
依次填入下列横线处的词语,最恰当的一组是:①2003年2月1日,美国“哥伦比亚”号航天飞机在从太空返回地面途中解体,机上7名宇航员全部______。消息传出,世界震惊。②地球生态系统是经过自然界的长期______形成的,它是人类生活的唯一基础,失去这一基础,人类只能彻底毁灭。③现在提倡的“研究性学习”模式,就是让我们置于问题情景中去体验,去动手、动脑,感受______方案的设计、现象的观察、数据的处理和结果的分析。

A.遇害 变化 实验

B.遇难 演化 实验

C.遇难 演化 试验

D.遇害 变化 试验

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第2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3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4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5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6题
Tom and Jack have returned but ______ students of the group haven't come back yet.A.otherB

Tom and Jack have returned but ______ students of the group haven't come back yet.

A.other

B.the others

C.others

D.another

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第7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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第8题
Why does Rose choose Jack in the end?()
A、Rose is disappointed with her aristocratic world

B、Jack is more romantic than Cal

C、 They share similar tastes and interest, values and outlooks on life Meanwhile, Rose feels at ease together with Jack

D、00001. Rose always feels bored and suffocated with Cal

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第9题
Jack is news reporter and he likes job very much.A.a;theB.the;theC.the;aD.a;a

Jack is news reporter and he likes job very much.

A.a;the

B.the;the

C.the;a

D.a;a

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第10题
The idea for the new project came to Jack ______ to his study recently.A. while devoti

The idea for the new project came to Jack ______ to his study recently.

A. while devoting

B. while devoting himself

C. while he was devoted

D. while devoted

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