是否

• Do you think we'll ever discover the real low-down ?
  你认为我们是否能弄清内幕？
• The food was tested for poison .
  这食物已经化验是否有毒。
• They debated closing the factory .
  他们争论是否关闭工厂。
• It rests on the credibility of ...
  那要看…的是否可靠了。
• Had kizzy been flaunting herself before noah ?
  吉西是否曾在诺亚面前搔首弄姿呢？
• The decision on whether to proceed lies with the minister .
  是否进行取决于部长。
• Please consider if this is feasible .
  是否可行，请斟酌。
• Are you over your jet lag yet ?
  你是否克服了时差综合症？
• Does he feel so bad about himself ?
  他是否心里很不痛快？
• Does he take much interest in it ?
  他对此是否很感兴趣？