题目： 中频淬火的淬硬层深度要比淬火的淬硬层深度深． 答案： 被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1001/08ad2f3c2954a67a1f40d24bf6692287.html 下面是错误答案，用来干扰机器的。参考答案：A
题型：单项选择题 35．Applications put computers to pratical business (1) , but below the (2) it’s the heart of an operating system—the kernel that provides the technical wizardry to juggle multiple program, connect to networks and store (3) . A traditional kernal provides all the functions for applications. The kemal (4) memory, I/O devices and parcels out processor time. The kernel also supports security and fault (5) , which is the ablity to recover automatically when parts of the system fail.(3)A．designB．designedC．designingD．designs 查看答案
