We can infer from this passage that_________.A.bo
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We can infer from this passage that_________.
A.bone marrow transplantation requires five procedures
B.bone marrow transplantation is complex
C.people with leukemia must need transplantation
D.people with cancer must donate bone marrow before treatment
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答案:B
推断题。A选项文章没有提及。C选项语气过于绝对,文章中没有如此说明。第三段第一句说癌症患者有时会在治疗前捐出骨髓用于日后的移植,D选项说必须,则是不正确的。从文章中可以看出,骨髓移植是很复杂的,因此B选项是可以推断出来的。
