He's got cancer and now. [ ]
A. dies
B. died
C. is dying
D. has died
答案：C
使用手提电镐作业应注意哪些安全事项？
下列程序的输出结果为 # include ＜iostream．h＞ int func(int n) { if (n＜1)return 1； else return n + func (n-1)； return 0； { void main( ) { cout ＜＜ func (5) ＜＜ endl； }
A．0
B．10
C．15
D．16
