您要查找的是不是：
- Is this watch authentic? 这只表是真的吗？
- I wonder if this watch is authentic. 我想知道这只表是不是真的。
- This watch is the same price as that one. 这手表和那手表价格一样。
- Is this Chinese painting authentic? 这副国画是真迹吗?
- Is this painting the authentic work? 这幅画是真迹吗?
- This watch is guaranteed for a year. 这只表保修一年。
- It is allowed to import this watch. 这手表可以进口。
- I bought this watch at a low price. 我以便宜的价钱买了这只表。
- Is this equipment tested for mechanical aptitude? 这台设备测定了其机械适应性了吗？
- This watch is worth 100 yuan at the utmost. 这只表最多值一百元。
- This watch is not designed for rough treatment. 这块手表不可猛烈震动。
- 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。
- The price of this watch is very high. 这只表的价格太高了。
- Is this the original drawing or is it a copy? 这是原画还是模本?
- This watch is worth this much money. 这块手表值这么多钱。
- This watch from my dad is of great value to me. 我爸送我的这只手表对我来说是很有价值的。
- Is this game a league match or a friendly? 这场比赛是联赛还是友谊赛？
- Is this watch accurate? 这只表准吗?
- Is this your first visit to London? 这是你第一次访问伦敦吗？
