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9.
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By
the time they reach adulthood, most people can perform many different
activities involving motor skills. Motor skills involve such diverse tasks as
riding a bicycle, threading a needle, and cooking a dinner. What all these
activities have in common is their dependence on precision and timing of
muscular movement.
This paragraph best supports the statement that
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most adults have not
refined their motor skills.
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all adults know how to
ride a bicycle.
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refined motor skills
are specifically limited to adults.
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children perform fewer
fine motor activities in a day than adults do.
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threading a needle is a
precise motor skill.
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Answer: Option E
Explanation:
The second sentence states that threading a
needle involves motor skill. The other choices are not in the paragraph.
