【简答题】从方框中选择答案完成对话。 A.That`s very kind of you. B.I forgot where I had put it. C.You really should read it. D.they are all out. E.I`m afraid I have`t. F.I have`t had it with me. G.I had a copy of my own. A: ...
【单选题】S: Do you think they ’ ll ever find a cure? T: I sure hope so. So when I get back, , you and I can take a walk out to Memorial Field together. S: I ’ d love that. T: Good. S: Thank you. T: It ’ s all ...
【简答题】根据句意及首字母(汉语) 的提示,补全单词。 1. A friend in need is a friend i . 2. Thank you for your (治疗). 3. Different people have very different t_____ on this subject. 4. The crazy horse is running at a high s . ...
【简答题】由三段简单管道组成的串联管道。管道为铸铁管,糙率 n = 0.0125 , d 1 = 250mm , l 1 =400m , d 2 = 200mm , l 2 =300m , d 3 = 150mm , l 3 =500m ,总水头 H = 30m 。求通过管道的流量 Q 及各管段的水头损失。