您要查找的是不是：
- Is this safety lens or glass? 这是安全镜片还是玻璃镜片?
- Is this the original drawing or is it a copy? 这是原画还是模本?
- Is this bottle made of glass or plastics ? 这个瓶子是玻璃做的还是塑料做的?
- Is this game a league match or a friendly? 这场比赛是联赛还是友谊赛？
- Is this real leather or plastic? 这是真皮的还是塑胶的?
- Is this garment made of pure wool, or of wool mixed with nylon? 这件衣服是纯羊毛的，还是羊毛与尼龙混纺的 ？
- Is this item a debit or a credit? 这笔帐属于借方还是属于贷方?
- All right, Sir. Is this a station call or a personal call? 好的，先生。是叫号电话还是叫人电话呢？
- As keratoconus progresses, the quality of one's vision deteriorates and contact lenses or glasses no longer become a satisfactory solution for most people. 伴随着圆锥角膜的发展进程，视力质量不断下降，对大多数患者，角膜接触镜和普通眼镜已经不再是一种安全有效的治疗方法。
- Is this equipment tested for mechanical aptitude? 这台设备测定了其机械适应性了吗？
- Is this true just in this country, or in the world as a whole? 只是在这个国家如此呢,还是就整个世界来看都这样?
- 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 an authoritative order or a personal request? 这是官方的命令还是个人的要求?
- In case of fire, open this safety door. 一旦发生火灾时,打开这扇安全门。
- The manufacture of glassware or glass. 玻璃或玻璃器制造
- Is this your first visit to London? 这是你第一次访问伦敦吗？
- North: Your beverage cup or glass. 北:你杯饮料或玻璃。
- Front desk clerk. Is this Mr. Lie? 柜台服务员，请问你是李先生吗？
- The manufactureof glassware or glass. 玻璃或玻璃器制造。
