题目

任务型阅读Being a successful highschool studentBeinga successful high school student requires both patience and motivation. Unfortunately,there are often many things that can make your success difficult. Here are sometips which can help you become a successful high school student.Rememberthat school is important.It'simportant to have fun and have lots of extra after school activities, butschool study should always be your top priority (优先的事物).Getinvolved at your school.Youdon't have to be a superstar or a cheerleader to do this. These may include recent events, such as thebaske化简或求值：（1）化简：（2）已知，求的值。