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以下是引用dreadpower在2004-1-12 23:20:00的发言：
有具体题目吗？
og 141
141. 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
...In B and D the expression identical twins with the same genetic endowment
wrongly suggests that only some identical twin pairs are gnetically identical.
.... Choice C, the best answer, solve these problem by using... and a nonrestrictive clause beginning with who to describe the characteristic attributed to all identical twins.
为什么 who 引导 nonrestrictive clause??? | 
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发表于 2004-1-10 23:38:00
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