2. 外语
  3. Once they decided to have children, MiShel and Carl Meissner tackled the next big issue: Should they try to have a girl? It was

Once they decided to have children, MiShel and Carl Meissner tackled the next big issue: Should they try to have a girl? It was

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问题     Once they decided to have children, MiShel and Carl Meissner tackled the next big issue: Should they try to have a girl? It was no small matter. MiShel’s brother had become blind from a hereditary(遗传的)condition in his early 20s, and the Meissners had learned that the condition is a【C1】______passed from mothers to sons. If they had a boy, he would have a 50 per cent chance of having the condition. A girl would be【C2】______
    The British couple’s【C3】______about gender selection led them to Virginia, US where a new sperm(精子)-separation technique, called MicroSort, was under【C4】______When MiShel became pregnant, she gave birth to a daughter. They will try to have a second daughter using the technique later this year.
    This is not only a【C5】______effective way to select a child’s gender. It also brings a host of ethical(伦理的)and practical considerations—especially for the majority of families who use the technique for【C6】______reasons.
    The clinic offers sex selection for two purposes: to help couples【C7】______passing on a gender-linked【C8】______disease and to allow those who already have a child to "balance" their family by having a baby of the opposite sex.
    The technology is still【C9】______However, Blauer says the company has an【C10】______success rate: 91 per cent of the women who become pregnant after sorting for a girl are successful, while 76 per cent who sort for a boy and get pregnant are successful.
    A)genetic B)overlapped C)impressive D)unaffected
    E)perpetually F)investigation G)inquiries H)feats
    I)disorder J)gropes K)experimental L)seemingly
    M)elicit N)nonmedical O)avoid
【C1】
选项
答案I
解析 此处应为单数名词。根据该句中的blind一词可以知道句中提到的condition其实是一种“疾病”或“不正常的情况”，disorder为本题答案。
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