32.Which is the main topic for Paragraph 2?
A.The scientists’efforts led to success.
B.Nanotube fibers could power an LED.
C.Nanotube fibers could be used to reduce heat.
D.The materials are typical of some huge potential.
33.Why does the author mention“Fermi energy”in Paragraph3?
A.To dig out the superpower’s source.
B.To explain the Rice research’s method.
C.To show the disadvantage of nanomaterials.
D.To make comparisons with the huge power factor.
34.What do Pasquali’s words mean?
A.He knows a lot about nanotube fibers.
B.Nanotube fibers can make carbon green.
C.Carbon nanotube fibers have well developed.
D.He is sure about the applications of carbon materials.
35.What is the author’s attitude to the theme of the text?
A.Objective.B.Favourable.C.Ambiguous.D.Disapproving.
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