您现在位置：模拟考场> 学士学位英语> 浏览试题
[单选题]3.2  The central idea of the first paragraph is to____.(1分)
  • Adescribe how to use lubrication
  • Bdescribe how to prolong the life of a machine
  • Cexplain the nature of friction
  • Dtell how to offset the disadvantages of friction
    • 收藏 查看答案
    相关题目
    热门试题
    热门试卷