题目内容
（请给出正确答案）
A．Because they are easy to steal.
B．Because they are difficult for people to obtain.
C．Because they are not easy to carry around.
D．Because they themselves are expensive, too.
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更多“Why does the author say that e…”相关的问题
Why does the author not think that "it is still a hefty chunk"？
A．The people in the Gulf would not benefit in certain ways.
B．The Gulf countries are incomparable to the county Swiss.
C．Continued oil consumption will create high price pressures.
D．Oil reserves will continue to be a supply of resources.
Why does the author mention the visible-light microscope in the first paragraph？
A．To begin a discussion, of sixteenth-century discoveries.
B．To put the X-ray microscope in a historical perspective.
C．To show how limited its uses are.
D．To explain how it functioned.
Why does the author say "Ricke doesn't have a lot of time"？
A．Ricke's position will be taken over soon.
B．Telekom is facing serious problems.
C．No executives would like to work for him.
D．Investors doubt about his ability.
Why does the author mention Karl Von Frisch in the second paragraph？
A．To make people believe his description of the beehive.
B．To introduce Karl's observation on bee behavior.
C．To contrast his theories with those of Karl Von Frisch.
D．To support the argument that bees use sunlight to navigate.
Why does the author mention the psychological condition of the driver in Paragraph 2？
A．To give an example of the various reasons for road accidents.
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C．To show some of the inaccurate estimations by researchers.
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Why does the author suggest that the work of Beethoven was highly creative？
A．Because he sought to become the only composer of his time to challenge accepted musical conventions.
B．Because he adopted a new principle of organization in his work by utilizing innovative strategies.
C．Because he creatively manipulated the accepted rules and forms governing musical composition.
D．Because he synthesized a transition between the older stylistic convention and the newer musical form.
Why does the author put forward the example of Shell？
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Why does the author mention the "mother" and "father" in the first paragraph？
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Why does the author mention Niagara Falls and honeymooners？
A．Because Niagara Falls and honeymooners are as well-known as the Golden Gate Bridge.
B．Because Niagara Falls is the resort for couples who spend their holidays.
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D．Because Niagara Falls is a magnificent place for honeymooners to gather around there.
Why does the author quote the paintings by Giuseppe Arcimboldo？
A．Language is like vegetables and fruits.
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A． Because its database is disorganized.
B． Because the information required is specific.
C． Because its information is diverse and widespread.
D． All of the above.
