2. 职称英语
  3. Electronic computers______, the complicated mathematical operations, such as wea

Electronic computers______, the complicated mathematical operations, such as wea

游客2025-03-20  50
问题 Electronic computers______, the complicated mathematical operations, such as weather forecast and the control of satellites, can be done quickly and accurately.
选项 A、being used
B、used
C、having been used
D、to be used
答案 C
解析 分词短语在此处作原因状语，使用了计算机才能进行又快又准确的运算，两者之间有个先后关系，所以要用完成时表示使用计算机发生在先。此句译文为：由于使用了计算机，像天气预报和卫星控制之类复杂的数学运算可以完成得又快又准确。
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