您要查找的是不是：
- Is this the original drawing or is it a copy? 这是原画还是模本?
- Is this equipment tested for mechanical aptitude? 这台设备测定了其机械适应性了吗？
- Is this reference book of any use to me? 这本参考书对我有用处吗？
- It is this molecular motion that we call heat. 就是这种分子运动我们称之为热。
- Is this game a league match or a friendly? 这场比赛是联赛还是友谊赛？
- Is this your first visit to London? 这是你第一次访问伦敦吗？
- Front desk clerk. Is this Mr. Lie? 柜台服务员，请问你是李先生吗？
- John, is this the right way to operate the machine? 约翰，这是操作这台机器的正确方法吗？
- Is this original? 这是真品吗？
- Here is this week's market price for sheep. 这是本星期的羊市价格。
- Is this a duplicate or original? 这是复制件还是原件?
- How much longer is this going to drag on? 这事还要拖多久?
- Do you know who came up with this original idea? 你知道谁提出的独到的见解?
- Is this behaviour typical of the male sex? 这种行为是雄性特有的吗?
- Is this the right way to the zoo? 去动物园是走这条路吗?
- What stuff is this jacket made of? 这件甲克是用什麽料子做的?
- Is this condition set forth in the agreement? 这一条件协议中有提到吗?
- Is this the right way to do it? That's the style. 这样做对吗?这就对了。
- Hello. Is this the Richter residence? 喂。是Richter先生公馆吗？
- What wavelength is this station on? 这个电台在哪个波段?
