已知函数满足下列两个条件:①当时,随的增大而增大;②它的图象经过点(1,-2),请写出一个符合上述条件的函数的表达式______________. 答案:Y=-2/x听录音,选出你所听到的句子。( ) 1. A. This is my new classroom. B. This is my new desk. ( ) 2. A. Let's go to school. B. Let's go and have a look. ( ) 3. A. Look at the picture. B. Look at the board. ( ) 4. A. Where's my desk? B. Where's my seat? ( ) 5. A. We have six new lights. B. We have a new classroom.