Unit 4 课下题型练(一) Welcome to the unit & Reading Ⅰ.阅读理解 A Losing weight has become a major concern for so many people. People try different weight loss methods all the time, some of which will never work, while others provide just a temporary solution. It is important to note that there are some green ways to lose weight that are not only healthy and effective but also good for the environment. Let us look at some of these green ways to lose weight. Growing your own vegetables is a good way to ensure that you are eating healthy foods. The process is even better if you can use organic manure (肥料). Planting your own vegetables is not only a good way to go green; it also provides you with plenty of physical exercise. Preparing a garden, including planting and taking care of the vegetables, is a great way to achieve a healthy weight. If you usually eat meat on a daily basis, you should consider replacing that meat with more vegetables. If you have no idea what vegetarian diets are like, you can do some research on the Internet, and you can also get information from vegetarian magazines such as Vegetarian Times Magazine. By reducing your intake of meat, you will be able to reduce your intake of fats, and hence, it will be easier for you to get rid of some weight. Reduce periods of driving and try walking or cycling instead. If you are used to driving your car to get to wherever