题目

已知函数则下列叙述不正确的为        ①的最大值为i；       ②为奇函数；     ③在[0，1]上是增函数； ④是以为最小正周期的函数。 答案：预习 2012年人教版九年级英语下册Unit14Self-check and Reading 的Reading部分，判断正( T )误 ( F )  。(      ) 1. Robert Qian is a Chinese Canadian.    (      ) 2. The program began in 1990.   (      ) 3. Most of overseas Chinese students in the program have visited China before.    (      ) 4. The program is organized by the local government of Guangdong Province.