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Which of the following is true of favorable hereditary traits?

  • A.They are bound to disappear gradually.
  • B.They are combined to produce a genius.
  • C.They are the sure indications of high intelligence.
  • D.They may not be permanent in making someone a genius.
试题出自试卷《综合英语(二)2018年10真题试题及答案解析(00795)》
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