选择题:( )4. According to the passage, people’s basic abi

题目内容:

  ( )4. According to the passage, people’s basic abilities like language learning and numeracy .
  A. change little over their working life.
  B. never change over their working life.
  C. change fundamentally over their working life.
  D. change profoundly over their working life.
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9.当预计标的股票市场价格将发生剧烈变动,但无法判断是上升还是下降时,则最适合的投资组合是(

9.当预计标的股票市场价格将发生剧烈变动,但无法判断是上升还是下降时,则最适合的投资组合是( )。A.购进看跌期权与购进股票的组合 B.购进看涨期权与

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