单项选择题

A．To choose a topic for a term paper.
B．To type some research materials.
C．To find material not available at the main library.
D．To learn to use the computers there.
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单项选择题
A．The students needed off-campus job.B．The theater department needed more talented students.C．The opera company was looking for volunteers.D．The new dean thought it would provide good experience for the students.
A．The students needed off-campus job.
B．The theater department needed more talented students.
C．The opera company was looking for volunteers.
D．The new dean thought it would provide good experience for the students.
单项选择题
By cloning Missy, Mark Westhusin hopes to______.
A．examine the reproductive system of the dog species
B．find out the differences between Missy and its clones
C．search for ways to modify its temperament
D．study the possibility of cloning humans
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