题目

若函数在区间上是增函数，则实数的取值范围是(    ).  A.             B.         C.       D. 答案：CEvery school has notice boards. Let's see what is on the notice board of an American school.小题1:According to School Policy, visitors have to         when entering the school.A．hand in a noteB．call at 524--9752C．check in at the officeD．telephone to the school小题2: From           , parents can get information on the parents meeting.A．School PolicyB．Report CardC．After--school ProgramD．Class Announcement小题3: Report Card shows parents          .A．certain school rulesB．after--school activitiesC．plans for classes and testsD．children's school life and work.小题4:Suppose Tony doesn't do well at school but makes progress, he will get______ on the Report Card.A．1B． 2C． 3D．4小题5: Students do their homework and read books          .A．from 3:30 to 4:30B．from 3:30 to 6:00C．from 4:30 to 6:00D．from 6:00 to 7:00