2. 外语
  3. The concern (has been) that the embryo bank (might be) exploited (by unscrupulous), or that conception might precede birth by ni

The concern (has been) that the embryo bank (might be) exploited (by unscrupulous), or that conception might precede birth by ni

admin2010-02-21  55
问题 The concern (has been) that the embryo bank (might be) exploited (by unscrupulous), or that conception might precede birth by nine or even ninety years, (rather than) by nine months.
选项 A、has been
B、might be
C、by unscrupulous
D、rather than
答案C
解析 应改为by the unscrupulous
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