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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.
游客
2025-05-08
43
管理
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
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