After years of research, Charles Drew devised a procedure for preserving plasma.

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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

职称英语综合类C级

职称英语

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After years of research, Charles Drew devised a procedure for preserving plasma.

职称英语综合类C级

职称英语

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