题目

People nowadays buy a second home for different purposes. If you want to enjoy your vacation in a second home, then you should buy a second home where your family wants to stay during their vacation. And a second home is becoming very important from the real estate (房地产) point of view. It is one of the largest parts of the real estate business. If you want to invest (投资) in a second home, then you should buy one in a great location. When buying a second home, you should select a location where there are great attractions for tourists.    Investing in a second home is becoming very 18．环境对生物的影响有利有弊，其结果是使存活下来的生物更能适应环境，生物的生存也会影响环境，生物与环境是统一的有机整体（整体）．我们必须清醒地认识到：保护环境就是保护人类自身！