最近，李师傅在扶贫工作者的指导下，计划在农业合作社承包5个大棚，以后就用8个大棚继续种植香瓜和甜瓜，他根据种植经验及今年上半年的市场情况，打算下半年种植时，两个品种同时种，一个大棚只种一个品种的瓜，并预测明年两种瓜的产量、销售价格及成本如下：

现假设李师傅今年下半年香瓜种植的大棚数为x个，明年上半年8个大棚中所产的瓜全部售完后，获得的利润为y元．

根据以上提供的信息，请你解答下列问题：

24小时内时针与分针重合____ 次．

Choose the best answer to complete the passage.
   You've just finished with middle school and you may start wondering, “What is high school like? Is high school a lot 1middle school? Is it going to be hard to start out in a new place?"
   Most high schools in America hold a freshman class 2school actually starts. When you talk to people in the freshman class, you 3 that a lot of them are feeling just like you are, excited, maybe 4afraid. Talking about a question of common interest with your classmates could start a new 5.
   The work in high school builds on what you 6in middle school, and gives you more knowledge of many subjects. So you 7feel that it’s a bit more challenging. But these challenges can make you feel 8. And there are many resources (资源）to use if you feel that the work is too much.
   At the beginning of high school, you'll get to know it has more activities than middle school, such as clubs, music groups, and sports teams. These activities may    9 before or after school, or during your free time. 10this, time management is an important skill in your11 year.
   Middle school teaches you the12of study and social skills while high school gives you the chance to learn 13to be more independent (独立的).It's all right if you’re nervous14. Just be patient and keep 15. Once you've got used to your new independence, you can go farther than you ever imagined.