Most American students have said goodbye to fancy（高档的）fruits these days．In school canteens across the country，cheaper fruits like apples and oranges have taken their place． “People a
“Everything happens for the best,” my mother said whenever things weren’t going my way. “Don’t worry, one day your luck will change.” Mother was right, as I discovered after I had finis
），则log4f（2）的值为（ ）
B．﹣