2. 外语
  3. If the blood is too different from your own in blood transfusion, ______. If you need a transfusion, the best and safest blood

If the blood is too different from your own in blood transfusion, ______. If you need a transfusion, the best and safest blood

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问题 If the blood is too different from your own in blood transfusion, ______.
If you need a transfusion, the best and safest blood for you is ______.
选项 A、type AB
B、exactly the same type as yours
C、a mixture of salt, plasma, and type O
D、either A or O
答案B
解析 本题询问如果你需要输血，最佳的、最安全的方法是什么。根据原文(43)处可知，与其输入一些盐剂和血浆使你的血与输入的血相同，倒不如找到与自己完全匹配的血型，故选B。
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