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标题: 刘振民E11-16 [打印本页]

作者: dengyichao    时间: 2009-11-2 21:17
标题: 刘振民E11-16
Unlike transplants between identical twins, whose genetic endowment is the same, all patients receiving hearts or other organs must take antirejection drugs for the rest of their lives.
A  Unlike transplants between identical twins, whose genetic endowment is the same
B  Besides transplants involving identical twins with the same genetic endowment
C  Unless the transplant involves identical twins, who have the same genetic endowment
D  Aside from a transplant between identical twins with the same genetic endowment
E  Other than transplants between identical twins, whose genetic endowment is the same
选C?

作者: heypony    时间: 2009-11-3 10:36
这题的逻辑应该是说,除非移植是发生在有相同基因的双胞胎之间,否则一般做了移植手术的病人一辈子都要服用抗排斥的药物。

unless在这里应该是除非的意思。这里unless引导从句避免了比较关系的不对等。




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