题目内容

下列说法错误的是()。

A. 在CAD中,移动圆对象使其圆心移动到直线中点,需要应用正交
B. 在CAD中,移动圆对象使其圆心移动到直线中点,需要应用对象捕捉
C. 在CAD中,移动圆对象使其圆心移动到直线中点,需要应用格栅
D. 在CAD中,移动圆对象使其圆心移动到直线中点,需要应用动态输入

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调出工具栏的方法,下列说法错误的是()

A. 如果某些工具栏没显示出来,可直接在工具栏空白处点击鼠标右键,在弹出的CAD菜单中勾选所需的工具栏即可。
B. 如果某些工具栏没显示出来,可直接在工具栏空白处点击鼠标左键,在弹出的CAD菜单中勾选所需的工具栏即可。
C. 如果某些工具栏没显示出来,可直接在工具栏空白处点击鼠标中键,在弹出的CAD菜单中勾选所需的工具栏即可。
D.

在CAD中,关于点样式下列说法错误的是()。

A. 在一个视口中可以有多种样式的点。
B. 在一个视口中可以有两种样式的点。
C. 在一个视口中可以有三种样式的点。
D. 在一个视口中只能有一种样式的点。

执行下列哪些修改命令后不改变对象的长度()。

A. 镜像
B. 缩放
C. 延伸
D. 复制

One of the wonderful things about being a foreign educator in China is that Chinese students are so (s1) _________ to learn from you. They have been (S2) ________ from an early age to be knowledge (S3) _________, looking to (S4) _______ up as much new information from their teachers as they can. Secondly, Confucian education demands a high degree of respect for teachers. The title "Lao Shi" is one of (S5) _______ in Chinese society, though teachers tend to be poorly paid. Even greater is the respect in China for foreign teachers or "foreign experts" as they are called. Despite the fact that most foreign experts in China have no previous (S6) _______ as teachers of English as a foreign language but are employed as such, the Chinese government welcomes their contribution by (S7) _________ a respectful title upon them. Thus, Chinese students hold their foreign teachers especially in high regard, which is perhaps why so many people (S8) _________________________.

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