【判断题】【消耗次数：1】
施工图中的各图样，主要是用正投影法绘制的。
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
正投影法是指：( )
①
投射线都相交于投射中心，投射出形体投影的方法
②
投射线互相平行且垂直于投影面，投射出形体投影的方法
③
由互相平行的投射线投射出形体投影的方法
④
投射线互相平行且倾斜于投影面，投射出形体投影的方法
【单选题】
正投影法是指：[填空]
①
投射线都相交于投射中心，投射出形体投影的方法
②
投射线互相平行且垂直于投影面，投射出形体投影的方法
③
由互相平行的投射线投射出形体投影的方法
④
投射线互相平行且倾斜于投影面，投射出形体投影的方法
【单选题】
正投影图是（ ）。
①
用中心投影法绘制的单面投影图
②
用平行投影的正投影法绘制的多面投影图
③
用平行投影的正投影法绘制的单面投影图
④
是在物体的水平投影上加注某些特征面、线以及控制点的高度数值的单面正投影
随机题目
【单选题】
He gambled ______ being able to buy a ticket at the last minute.
①
about
②
on
③
in
④
with
【单选题】
The big shot ______ several government officials in the past years.
①
buy out
②
buy up
③
buy off
④
buy down
【单选题】
Please ______ you cigar before entering this building.
①
put down
②
put up
③
put off
④
put out
【单选题】
The duke interjected, “What you accuse us ______ is true. I am to blame.”
①
with
②
about
③
/
④
of
【单选题】
The young man ______ the charm of his new colleague, a blonde from England.
①
took a chance
②
threw a book at
③
fell victim to
④
comply with
【单选题】
The family were having dinner when the ______ buzzer of the door sounded.
①
quiet@muted
②
silent
③
low
【单选题】
There were plenty of places to ______ the highway and be unobserved.
①
pull off
②
pull out
③
pull up
④
pull down
【单选题】
It was essential that her thinking ______ calm and reasoned.
①
remained
②
remain
③
had remained
④
would remain
【单选题】
It ______ to keep calm when confronted with dangers.
①
pays
②
takes
③
costs
④
deserves
【单选题】
The humble bell-boy ______ his tongue reprovingly in front of the princess.
①
flipped
②
chuckled
③
clucked
④
flickered