2. 职称英语
  3. Virtually all (parts moving) of an automobile (need to be) lubricated (because),

Virtually all (parts moving) of an automobile (need to be) lubricated (because),

游客2025-02-09  33
问题 Virtually all (parts moving) of an automobile (need to be) lubricated (because), without lubrication, friction (would increase) power consumption and damage the parts.
选项 A、parts moving
B、need to be
C、because
D、would increase
答案 A
解析
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