问题
单项选择题
台风实质上是（）
A、气旋
B、反气旋
C、高压中心
D、锋面系统
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
台风实质上是（）
A、气旋
B、反气旋
C、高压中心
D、锋面系统
参考答案：A
| 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. |
(2)
A．earth
B．bottom
C．table
D．surface