2. 外语
  3. In an experiment conducted last autumn, scientists made exact copies of a human embryo for the first time. The scientists devel

In an experiment conducted last autumn, scientists made exact copies of a human embryo for the first time. The scientists devel

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问题 In an experiment conducted last autumn, scientists made exact copies of a human embryo for the first time.
The scientists developed their cloning technique to make it easier for childless couples to have babies by in vivo fertilization.
选项 A、Right
B、Wrong
C、Not mentioned
答案A
解析 见第四段第—句，“The scientists developed their cloning technique to make it easier…”科学家们发展克隆技术以使那些不能生育的夫妇通过体外受精的方式更容易地拥有小孩。
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