您要查找的是不是：
- Is it certified and calibrated? 是否持证并经校准?
- Is it easy to discern between fact and rumor? 辨明事实与谣传容易吗?
- He was certified and sent to a mental hospital. 他经诊断为精神失常而送往精神病院。
- Is there a QA laboratory? What equipment is in the laboratory? How often is it checked and calibrated? 是否有化验室? 化验室具备哪些检测设备? 多久对它们进行一次检查和校准?
- Has that car been sold or is it still up for grabs? 那辆车卖掉了呢，还是依附旧待价而沽呢？
- How long is it since we visited your mother? 自从我们看望你母亲以来到现在有多长时间了？
- Have a smell of this wine; is it all right? 你来闻一闻这酒，是好的吗？
- Is it necessary for me to attend the meeting? 我真的必须参加这个会议吗？
- Is it wise to engage in active sports at your age? 我这样的年纪积极参加体育活动是否明智？
- What's for afters? Is it fruit and custard? 最后一道菜是什么?是水果和乳蛋糕吗?
- Is this the original drawing or is it a copy? 这是原画还是模本?
- What time is it? It is nine o'clock. 现在是几点钟？现在是九点钟。
- Is it safe to site the power station here? 在这建造发电厂安全吗？
- It certified that Chinese hospitality has not been found wanting. 这表示中国人招待十分周到，没有什么疏忽的地方。
- Translations by in-country certified and qualified team members. 由当地合格的翻译团队进行翻译。
- Only by this means is it possible to persuade him. 只有用这种方法才能劝得动他。
- I'm TESL certified and have been teaching in Shenzhen for 2 years. 我有TESL英语教师认证证书，并已在深圳教学2年。
- Why is it that we should be afraid of him? 我们为什么要怕他呢？
- Is it definite that they will sign that contract? 他们肯定会签署这份合同吗？
- Is it dinner jacket or white tie? 那是便装还是礼服？
