听力原文:W: Have you ever put a computer together before? M: NO, never. But I think if we follow these instructions exactly, we won't have much trouble. Q: What are the speakers going to do? (19)
【简答题】Translation: Crohn disease is an inflammation in the mucosal lining of the intestine (usually small intestine) and may result in ulcers and destruction of the intestinal lining or total obstruction. S...