2. 外语
  3. Many economists believe that America must replace its moribund smokestack industries with business based on new technology.

Many economists believe that America must replace its moribund smokestack industries with business based on new technology.

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问题 Many economists believe that America must replace its moribund smokestack industries with business based on new technology.
选项 A、obsolete
B、mordant
C、mortified
D、ousted
答案A
解析 moribund意为“濒死的，奄奄一息的，停滞不前的”。A选项：obsolete意为“过时的，废弃的”，与画线单词的意义相符，如：So much equipment becomes obsolete almost as soon as it’s made．这么多设备几乎一生产出来就会被淘汰。故选A。在其他三项中，B选项：mordant尖酸刻薄的，尖锐的；C选项：mortified感到羞辱的，窘迫的；D选项：ousted驱逐，罢黜，都与画线单词的意义不符。
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