回答下列问题：

    Mr Brown lives in a nice house in a small town with his wife(妻子), Mrs Brown. From Monday to Friday he works in an office near his house. He is free on Saturdays and Sundays. He has a nice garden beside his house. He likes growing flowers and he often works in the garden on Saturdays and Sundays. The flowers are very beautiful and Mrs Brown likes them very much. She often helps Mr Brown.

被称为“裸子植物故乡”的国家是（  ）

    It is Saturday morning. The sky is blue. My father and I are going to the park. There are a lot of people in the park. Some children are running on the grass. A dog is running after them. Some men are sitting on the grass. They are talking. Two girls are flying a nice kite. Three women are standing under a tree, and they are watching the children playing. There is a boat in the lake and two women are boating. Everyone in the park is very happy.

读下图, 图中阴影区是世界上重要的经济作物产区，其有利的区位条件是（    ）