题目

阅读理解 One reaction to all the concern about tropicaldeforestation (森林砍伐) is a blank stare (迷惑的眼神) that asks the question,Since I don't live there, what does it have to do with me?The answer is that your way of life, whereveryou live in the world, is tied to the tropics (热带地区) in many ways. If you live in a house,wash your hair, eat fruits and vegetables, drink soda, or drive a car, you can becertain that you are affected by the loss of tropical forests.Biologically, we are losing the richestregions on earth when, each minute, a piece of tropical forest, the si人在划船时，船为什么会前进？