下肢静脉曲张最容易发生皮肤溃疡的部位是
A.足背B.小腿中1/3外侧C.小腿中1/3内侧D.小腿下1/3内侧E.小腿下1/3外侧
参考答案:D
定义在R上的函数f(x)满足f(m+n2)=f(m)+2[f(n)]2,m,n∈R,且f(1)≠0,则f(2 014)=________.
The boy eats _____ healthy food. [ ]
A. many
B. lots of
C. a lot