【单选题】【消耗次数：1】
一个平面图形，只能反映物体在某一方向的形状。要反映物体整体的形状，要通过多个平面图形来表达，这些平面图形分别为物体的主视图、俯视图、左视图等。主视图、俯视图和左视图称为三视图。（ ）
①
正确
②
错误
参考答案：
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相关题目
【简答题】
主视图与左视图共同反映物体的 [填空]位置关系；主视图与俯视图共同反映物体的[填空]位置关系；左视图与俯视图共同反映物体的 [填空]位置关系。
【简答题】
主视图与左视图共同反映物体的 [填空]位置关系；主视图与俯视图共同反映物体的[填空]位置关系；左视图与俯视图共同反映物体的 [填空]位置关系。
【多选题】
已知主视图和俯视图，其正确的左视图是()。
【单选题】
三视图之间的相对位置是固定的，以主视图为主,俯视图在主视图的下方，左视图在主视图的右方，各视图之间要相互对齐、对正，不能错开，各视图的名称不需标注。
①
正确
②
错误
【多选题】
俯视图，主视图错误的全剖视图是()。
【多选题】
指出与俯视图符合投影关系的主视图有()。
随机题目
【单选题】
The old houses are being pulled down to _______ a new office block.
①
make room for
②
make use of
③
take the place of
④
supply with
【单选题】
It is generally considered unwise to give a child ______ he or she wants.
①
however
②
whatever
③
whichever
④
whenever
【单选题】
Those who have applied for the post（）in the office.
①
are being interviewed
②
are interviewing
③
interviewing
④
to be interviewing
【单选题】
As we can no longer wait for the delivery of our order, we have to ____ it.
①
postpone
②
refuse
③
delay
④
cancel
【单选题】
establish a __________
①
new product
②
public company
③
sole trader
④
limited company
【单选题】
If one （） by vanity, he will be very particular about other’s clothing and appearance.
①
overcomes
②
is overcome
③
overcame
④
has been overcame
【单选题】
Tom, what did you do with my documents? I have never seen such a _______ and disorder!
①
mess
②
mass
③
guess
④
bus
【单选题】
Unbelievable! I have failed my final exam for mathematics!____________
①
Good luck.
②
Cheer up.
③
Go ahead.
④
No problem.
【单选题】
Niagara Falls is a great tourist _____, drawing millions of visitors every year.
①
attention
②
attraction
③
appointment
④
arrangement
【单选题】
How was your trip to Paris, Mary? ____________
①
Oh, wonderful indeed.
②
I went there alone.
③
The guide showed me the way.
④
By plane and by bus.