2. 外语
  3. According to the science of aerodynamics, the shape of an object influences the amount of drag created by air flowing around it.

According to the science of aerodynamics, the shape of an object influences the amount of drag created by air flowing around it.

admin2012-07-29  45
问题 According to the science of aerodynamics, the shape of an object influences the amount of drag created by air flowing around it.
选项 A、form
B、size
C、weight
D、interior
答案A
解析 外形
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