题目

（08年山东卷文）设函数则的值为（    ）A．          B．              C．           D． 答案：【解析】本小题主要考查分段函数问题。正确利用分段函数来进行分段求值。答案：AWildwood School Library GuideThis will offer you some information about our school library. You can use this guide to help your kids use our library.Service hours: 3:00pm-5:30pm on school days8:30 am~11:00 am on weekendsOn school days,your kids may borrow or return books during the opening hours only when his/her classroom teacher allows him/her to.At the weekend,our library is open to you and your kids.Borrowing:Each student can borrow one or two hooks at a time.More books can be borrowed only for class reading activities and school research.Returning:Books borrowed from the library can be kept for 15 school days.The books must be returned before the due(到期的）date,or the kid cannot borrow other books.Damaged(受损的）or Lost Books:When a book is broken,the kid will have to pay three dollars for the damage?Full price must be paid if a book is lost. We encourage students to carry their library books in plastic(塑料）bags to protect them from rainy weather.Please call us at 3362-1323 for more information.1.Students can borrow more than two books at a time .A. to prepare for exams B. to do school researchC. to do after-school activities D. to read together with their parents2.When a student loses the book,how much should he pay for the lost book?A. Three dollars B. Half the price of the bookC. Full price of the book. D. Twice the price of the book3.The students are advised to against the rain.A. carry their library books in plastic bagsB. cover their library books with raincoatsC. put their library books into their pocketsD. keep their library books in their classroom4.This library guide is for .A. teachers in Wildwood School B. kids in Wildwood SchoolC. visitors to Wildwood School D. parents of the Wildwood School students5.Which of the following is NOT true?A. The library is open for two and a half hours every school day.B. Student’s parents can go to the school library on weekends.C. Students can go to the library during the opening hours as they like.D. Students can keep the books that they borrow for fifteen school days.