题目

【1】What's wrong with the man's watch?A.It goes slow. B.It doesn't work. C.Its glass is broken【2】Which watch did he take in the end?A.A grey one. B.A white one. C.A black one. 答案：【答案】【1】B【2】C【解析】【原文】W: Anything I can do for you? M: Yes, I’d like to return this watch. It stopped working. W: I’m really sorry. Let me see. Was it dropped?M: No, it wasn’t. But I noticed that the hands didn’t move yesterday.W: Sorry again. We’d be happy to exchange it for you, but I’m afraid we don’t have any more grey ones. We only have this watch 人们为培育新品种提供原始材料，应该 A．保护草原生态系统 B．保护水域生态系统 C．建立自然保护区 D．保护森林