以下应用中,必须采用栈结构的是()。
A.使一个整数序列逆转
B.递归函数的调用和返回
C.申请和释放单链表中的节点
D.装入和卸载可执行程序
参考答案:B
不属于CT重建方法的有()
A.反投影法
B.迭代法
C.滤波反投影法
D.傅立叶重建法
E.扫场法
—Please read every sentence carefully. _ you are, ___ mistakes you’ll make.
—Thank you for your advice. [ ]
A. The more carefully; the fewer
B. The more careful; the less
C. The more carefully; the less
D. The more careful; the fewer