B. 小对话理解 请听小对话及问题，从A、B、C中选择正确的答案，并用2B铅笔把答题卡上对应题目的答案标号涂黑。（听两遍）
6. A. For 4 days. B. For 3 days. C. For 2 days.
7. A. Salesman and customer. B. Husband and wife. C. Foreigner and student.
8. A. In the grass. B. In the laboratory. C. In the teaching building
9. A. At least 6. B. At least 7. C. At least 9.
10.A. After he came to this city. B. Before he came to this city.
C. In winter in his home town.
