题目

Whether you’re a boy or a girl and whether you're a freshman or a senior, developing the following skills will help you achieve success in school and in life. Time management. There are just 24 hours in each day. What you do with that time makes all the difference. While high-school students have an average of 35 hours per week of class time, college students have an average of 15 to 18 hours per week. Manage your free time wisely and you'll make full use of each day. Good study habits. If you've got them, it's great. If not, there's still time to develop them. Good study habits inclu如图为地球公转轨道示意图．地球从甲运行到乙期间，株洲的正午太阳高度（　　） A、逐渐减小B、逐渐增大C、先减小后增大D、先增大后减小