一 May I speak to the headmaster?
一 He a meeting now. Can I take a message?
A:is having
B:had
C:has
我国第一个列入《世界文化遗产名录》的是( )
Our teacher us his friends. We all love him a lot.
奇函数f(x)在3,7上是增函数,在3,6上的最大值是8,最小值是﹣1,则2f(﹣6)+f(﹣3)等于____.