题目

You love reading, and you're dying to get your hands on a book. With the right knowledge,it’s easy to choose a good book！Go to the library first. Answer these questions. What writers do you like? What are your interests? See if the library has computers. If it does, you can use it to find a certain book by a certain writer, or keywords of your interests. If you like a certain book, search the book up and read its summary(概要).That will help you decide if the book is right for you. Search your house next. Often good books are quietly collecting dust(灰尘) in your own house. Maybe you f如下图所示，卫星在近地点_______能最大，在远地点动能最______，势能最_______。