皮皮学，免费搜题
登录
搜题
【简答题】
旅游信息的特征
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Economics is the study of how
A.
to fully satisfy our unlimited wants.
B.
society manages its scarce resources.
C.
to reduce our wants until we are satisfied.
D.
to avoid having to make trade-offs.
E.
society manages its unlimited resources.