2. 外语
  3. Our experiment was conducted under optimal condition. The underlined part means ______.(2014-80)

Our experiment was conducted under optimal condition. The underlined part means ______.(2014-80)

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问题 Our experiment was conducted under optimal condition. The underlined part means ______.(2014-80)
选项 A、perfect
B、proper
C、possible
D、proposed
答案A
解析 optimal=optimum，表示“最佳的，最优的，最适宜的，最理想的”，如：theoptimal growth temperature最适宜生长温度，与ideal，best含义相近。比较四个选项只有perfect意思最为接近。proper指“适宜的，合适的，恰当的”；possible表示“可能的”；proposed则意为“申请的，推荐的”。
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