There is a big tree _______ our classroom.
A:in front
B:in the front
C:in the front of
D:in front of
河流水和湖泊水是我国重要的水资源。读下图完成各小题。
You must cut ________ the bananas before you put ________ into the blender.
设x∈R,若函数f(x)为单调递增函数,且对任意实数x,都有ff(x)﹣ex=e+1(e是自然对数的底数),则f(ln2)的值等于( )