单项选择题

The word "tackier" in the 5th paragraph is closest in meaning to______.

A．more crowded
B．shabbier
C．more expensive
D．more in style
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单项选择题
The third paragraph of the passage deals with the difficulties of restoring the following fossilized animals EXCEPT______.
A．those which had complex internal structures
B．those which had no external hard parts
C．those which had fur-covered bodies
D．those which had no living relatives
单项选择题
The reconstruction of a fossilized animal's external appearance is considered necessary in order to______.
A．satisfy popular curiosity
B．answer scientific questions
C．establish its activities
D．determine its eating habits
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