题目内容

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。

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更多问题

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) ___________________.

It would be hard to find this level of appreciation for teachers among American students. Young people in the U.S. have a somewhat different attitude toward educators; they are taught to question, not simply absorb, (S9) _______. American students may reject their teachers, confronting them and even publicly disagreeing with them as part of the learning process. (S10) _.

The IncrediblesOnce upon a time there was a planet so tiny and blueIt was the ____ to beBut one life form on it wanted moreBut they don’t see that it’s half past twelveTo turn _ is the easier wayAs lone as they feel safe in their bedsThere’s no need to _ from their dreamBut the truth no longer hidesThey must see what they’ll _Wake up. Mankind, your time is running outGive your children the chance to _Now the planet is _And, of course, the lamenting is big_, pollution as wellIs not enough to make them That now is the time to changeTheir behavior and ___Wake up. Mankind, your time is running outGive your children the chance to makes things right