单项选择题

Elen Evans' technology of new protein design may prove useful

A．in athletic training programs.
B．in film making spectacles.
C．in software programming.
D．in medical treatments.
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单项选择题
The DNA designed by Evan's technology differs strikingly from that synthesized by existing technology in that the former is characterized by its
A．desirable shape and length.
B．imitation of a living cell.
C．delicate but destructive power.
D．resistance to epidemics.
单项选择题
This passage is mainly
A．about a new application of computers.
B．a review of a science-fiction movie.
C．about the synthesizing interesting DNA.
D．a survey of scientific breakthroughs.
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