题目内容
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In Paragraph 5, why does the author mention Homo Erectus and Homo Habilis？
A．To contrast them with modern humans.
B．To explain when human ancestors began to make tools.
C．To show that early humans were also predominantly right-handed.
D．To prove that the population of Neanderthals was very larg
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更多“In Paragraph 5, why does the a…”相关的问题
Why are Arnold Schwarzenegger and Garth Brooks mentioned in Paragraph 5？
A．To prove their popularity around the world.
B．To reveal the public's fear of immigrants.
C．To give examples of successful immigrants.
D．To show the powerful influence of American culture.
According to paragraph 5, why would life on Titan be improbable？
A．It does not have an ocean.
B．It is not a planet.
C．It is too cold.
D．It has a low atmosphere.
In paragraph 5, why does the author mention religious and academic institutions？
A．To show how effective Internet blocking software can be.
B．To illustrate that filters may fail to block harmful sites.
C．To explain what types of research sites library patrons use.
D．To show that the blocking software may target the wrong sites.
Why did Harold Wilson's wife feel even less in Number 10 in Paragraph 5？
A．Because she felt relaxed there.
B．Because there were always many people.
C．Because Number 10 was not her real home.
D．Because she had to share her husband with his work and his aide.
A．To make a transition.
B．To summarize an idea.
C．To give an example.
D．To start a conclusion.
A．To illustrate methane's molecular structure.
B．To show the link between global warming and smog.
C．To suggest that fossil fuels should not be burned.
D．To elaborate on a benefit of natural gas's cleanliness.
A．Most of the homesteaders who went west traveled by steamboat.
B．This gave them access to the Erie Canal and the ability to ship merchandise to New York.
C．Water routes represented the only means by which goods could be transported reliably.
D．They required large amounts of water in order to grow healthy crops.
The purpose of two questions in the second paragraph is to ______.
A．demonstrate why people are amused
B．display what people laugh at
C．bring to light the phenomenon of laughter
D．accent what a phenomenon laughter really is
Why does the author mention immigration and emigration in paragraph 8？
A．To identify factors affecting population dispersion
B．To give examples of territorial behavior. in animals
C．To show that populations balance themselves over time
D．To explain why animal populations are uniformly dispersed
Why does the author mention fresh coffee in Paragraph 2？
A．As an example of complex substances having not been duplicated satisfactorily.
B．Because the coffee fragrance is hard to produce.
C．To conclude the passage.
D．The smell of fresh coffee is inviting.
