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After years of research, Charles Drew devised a procedure for preserving plasma.
After years of research, Charles Drew devised a procedure for preserving plasma.
admin
2012-07-30
53
问题
After years of research, Charles Drew devised a procedure for
preserving
plasma.
选项
A、transporting
B、saving
C、reusing
D、labeling
答案
B
解析
保存
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本试题收录于：
职称英语综合类C级题库职称英语分类
0
职称英语综合类C级
职称英语
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