-
-
>> 高等继续教育 / 先进制造技术
-
高等继续教育 / 先进制造技术
正确率：100%
题型描述: 单选题
在机械控制工程里，PLC是指 。
A.计算机可控
B.数字信号处理
C.数控单元
D.可编程逻辑控制
佳题速递：
32、Once James Thornhill, a famous English painter, was asked to paint some pictures on the walls of the king's palace in England.
Then workers were sent for and a big platform（台子）was made.
With the help of a worker, Thornhill started painting on the platform. They worked for a whole year and at last the pictures were ready.
Thornhill was happy when he looked at the pictures, for they were really beautiful. He looked at them for a long time, and then took one step back and looked again. Now the pictures were even more beautiful. He took another step, then another. Finally he was at the very edge of the platform, but he didn't know it because he was thinking of his pictures.
The worker saw everything. "What should I do?" he thought. "Thornhill was at the very edge of the platform. If I cry out, he will take another step, fall off it and surely be killed. "So the worker quickly took some paint（漆）and threw it at the pictures.
"What are you doing?" cried the painter, running quickly forward to his pictures.统考英语阅读理解 8、在Word的文档中，选定文档某行内容后，使用鼠标拖动方法将其移动时，配合的键盘操作是______。
A.按住Esc键
B.按住Ctrl键
C.按住Alt键
D.不做操作计算机统考 根据不同的评估目的，二手车的价值类型可分为：继续使用价值、交换价值、清算价值、重置成本价值、报废价值和残余价值等多种类型。( 二手车鉴定与评估 丁字尺尺头内侧边紧靠图板左边，( )任意边靠紧丁字尺尺身上边，便可利用三角板的另外两边画出垂直线或倾斜线。 (A)丁字尺(B)比例尺(C)三角板(D)曲线板[参考答案：C] 分值：10得分： 分 系统自动批改于2020年9月18日 14点40分 园林制图 在10个考签中，有4个难签，6个易签。甲、乙、丙参加抽签考试，次序为先甲、次乙、后丙，丙抽到难签的概率是( )。(A)5/2(B)2/1(C)6/1(D)30/1[参考答案：A] 分值：4得分： 分 杨秋霞批改于2020年7月2日 0点51分 概率论与数理统计 太平天国由盛转衰的分水岭是( )。(A) 北伐 (B) 西征 (C) 天京事变 (D) 石达开出走中国近现代史纲要