题目：
| Cloze. | ||||
| Behind our house is the start of a fascinating trail (小径). This trail is one of the old roads that wind through untold miles of forest. My 1 , Beans, and I walk the trail frequently. Normally, Beans sniffs alongside the trail to follow the smell of a deer track or 2 some cause known only to him. Beans is a white dog, quite handsome and very 3 . He not only understands what we tell him, but also often makes sounds as if he were trying to 4 back. One morning, we took a different route, which led us to an unfamiliar trail. I was sure this trail would eventually lead us to our familiar 5 . But, no. We seemed to be far off course. After two hours, I suddenly realized that Beans probably 6 the way home. So I urged, "Beans, take me home." He ran down a new trail. But it merely led to an intersection (岔道口) of trails. Soon it became 7 that we were getting nowhere. I began to picture the rest of the day in the 8 , without food or drink. We had walked about ten miles. But Beans seemed totally 9 . The sniffing and exploring was going well for him. Finally, we 10 a crossroad near a highway. Lady Luck suggested I should turn left. We did and 11 reached a cottage beside a field. I knocked on the door and explained my situation to an old man. He laughed and then drove us home. Since our adventure, I 12 that Beans probably knew all along how to get home. He was just having too much fan exploring new trails. | ||||
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答案：C题目分析：硫磺燃烧生成的二氧化硫具有漂泊性，答案选C。点评：该题是基础性试题的考查，也是高考中的常见考点。试题基础性强，难度不大，主要是考查学生对二氧化硫性质的熟悉掌握程度，有利于调动学生的...
