2. 外语
  3. Compared with large aircraft, small airplanes are not as streamlined and hence are less efficient.

Compared with large aircraft, small airplanes are not as streamlined and hence are less efficient.

admin2010-01-14  61
问题 Compared with large aircraft, small airplanes are not as streamlined and hence are less efficient.
选项 A、at a glance
B、to a measurable degree
C、in most cases
D、as a result
答案D
解析
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