题目

What might the man want for supper?A.Seafood. B.Steak. C.Noodles. 答案：【答案】A【解析】【原文】M: Alice, it’s already dark. I’m starving. What kind of food are you in the mood for?W: I’d love some steak.M: Hmm. I used to be into noodles, but now I’m crazy about seafood.分子式为C5H10O，能发生银镜反应的物质可能的结构有A．3种 B．4种 C．5种 D．6种