A successful bone marrow ____can help cure cancers of the blood .It is a tragedy that nearly one-third of all patients seeking a ______are unable to find a donor whose bone marrow closely matches their own. ( 章节：8 难度：4)
- A、in a sense
- B、transparent
- C、in some ways
- D、consented
正确答案:B
答案解析:有
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