您要查找的是不是：
- Is this disease hereditary? 这种病遗传吗？
- Is this disease of gluttony of anorexia of a kind of intermittence? 这是一种间歇性厌食暴食症吗？
- How is this disease treated? Thank, very thank, true! Troublesome everybody! 此病怎么治？谢谢，很谢谢，真的！麻烦大家了！
- There is no certain cure for this disease. 这种病没有特效药。
- This disease is carried by mosquitoes. 这种疾病是蚊虫传染的。
- I hear from an authority that this disease is curable. 我听一位权威人士说，这个病能治好。
- 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？
- Indigestion may bring about this disease. 消化不良可能引起这种病。
- 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 the original drawing or is it a copy? 这是原画还是模本?
- This disease could easily be rooted out. 这种病很容易根治。
- The doctors were not able to treat this disease. 医生治不了这种病。
- One child in twenty has this disease. 二十个小孩中有一个患有这种疾病。
- Is this game a league match or a friendly? 这场比赛是联赛还是友谊赛？
- This disease produces premature aging of the brain. 这种疾病使大脑过早衰老。
- 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？
- Here is this week's market price for sheep. 这是本星期的羊市价格。
