问题3 单选 Beginning college is exciting: new ideas to explore,new challenges to be met and many decisions to be made. Your future begins here.However,you will find college life is different from your previous school environment. Many of us canbe easily overwhelmed by the details of running a well balanced life. While some of us may have theknowhow,I guess there are more of us who can benefit from learning about the experiences of others who have walked the college halls before you.The following you may find of use about life on campus.●Plan well. There are so many new things to do at a new college or university. Give yourself time to make new friends and become familiar with the campus,but don't forget why you are there. Give some time for social activities and manage your time wisely.●If you don't have a "system" for planning your time now (like a day timer, a computer date book), get one. Most of all,don't depend on your memory.●Don't miss the guidelines. The restrictions,rules and regulations of all kinds can usually be found in your student's handbook. Consider them wellbalanced food for thought. What dates are important? What pieces of paper need to be handed in? What can/ can't you do in your student residence(住处)? Who has the right for what? What do you need to complete to graduate?●Write the word "STUDY" on the walls of our bedroom and bathroom,and maybe it will help to write it on a piece of paper and stick it on the telephone,TV and the kitchen table. Consider this-you are payingthousands of dollars for your courses. You pay every time you have to repeat or replace a course.●Build your identity. This is the time for you to decide what to do and what not to do. Take as much time as you need to explore new ideas. Do not be afraid of the beyond. This is learning to make good choices.3. The underlined word "knowhow" refers to ________.