【单选题】【消耗次数：1】
总体上，特殊位置直线是指（）。
①
一般位置直线和投影面垂直线
②
投影面平行线和投影面垂直线
③
一般位置直线和投影面平行线
④
正垂线和水平线
参考答案：
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相关题目
【单选题】
下列关于投影面垂直线特性说法有误的一项是（ ）。
①
直线在另两个投影面上的投影，垂直于相应的投影轴
②
直线在另两个投影面上的投影，反映线段的实长
③
直线在所垂直的投影面上的投影反映实长
④
直线在其所垂直的投影面上的投影积聚为一点
随机题目
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He moved to Ohio in 2005 where, （ ）other things, he worked as a journalist.
①
awhile
②
amid
③
await
④
among
【单选题】
You need to （ ） to the local authority for a grant.
①
apply
②
applaud
③
appeal
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arise
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You should give your children more opportunities to have personal time and space to ( ) with friends or do whatever they want.
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hang out
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hang up
③
hang on
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hang in
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On this calendar you can find elective classes as well as review sessions and other events that were not part of ( ) class or exam time.
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mandate
②
mandator
③
mandated
④
mandatory
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The related ( ) are sufficient for you to collect the information you need for your presentation.
①
public
②
publications
③
republic
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in public
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Most of the runners in the London Marathon are raising money ( ).
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in return
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out of curiosity
③
for charity
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on duty
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I found the article while I was （ ） some old magazines.
①
browsing through
②
looking into
③
staring at
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watching out
【单选题】
She travelled the world in （ ） of her dreams.
①
terms
②
preference
③
spite
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pursuit
【单选题】
（ ） he finished writing the composition in such a short time surprised us all.
①
What
②
How
③
That
④
If
【单选题】
Im very much afraid that your wife may be ( ) in the crime.
①
involvement
②
involved
③
involve
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involves