单选题 Many factory workers find their jobs {{U}}tiresome{{/U}}.
  • A. difficult
  • B. pointless
  • C. profitable
  • D. boring
【正确答案】 D
【答案解析】[解析] tiresome意思是“无聊的,烦人的”,与boring(乏味的,无聊的)意思相近。difficult困难的,不易的;pointless无意义的;profitable有利可图的,有用的。