【单选题】【消耗次数：1】
下面关于局部视图叙述正确的是( )
①
局部视图是物体的一个局部向基本投影面投射得到的视图
②
局部视图是基本视图的一个局部
③
局部视图的标记满足一定条件时可以省略
④
第1个和第3个答案正确
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相关题目
【单选题】
下列关于局部视图说法有误的一项是（ ）。
①
局部视图是基本视图的一部份，其断裂边界应以波浪线或折断线表示
②
画局部视图时，要在欲表达的形体局部附近，用箭头指明其投影方向
③
在所示局部视图的下方，需用不同的字母标出视图的方向名称
④
当局部视图按投影关系配置，中间又没有其他图形隔开标注可省略
【单选题】
上图形体的B向局部视图有四个，正确的是( )。
①
<img src="20200602/1591085693507765.png" title="1591085693507765.png" alt="图片1B.png"/>
②
<img src="20200602/1591085685338604.png" title="1591085685338604.png" alt="图片11A.png"/>
③
<img src="20200602/1591085707645208.png" title="1591085707645208.png" alt="图片1D.png"/>
④
<img src="20200602/1591085700195303.png" title="1591085700195303.png" alt="图片1C.png"/>
随机题目
【单选题】
2. I was told yesterday that the company ______ me to Rome next week for a business conference.
①
should have sent
②
was going to send
③
should be sending
④
should send
【单选题】
17.Neither of them ____ the snake.
①
dares catches
②
dare to catch
③
dare catching
④
dare catch
【单选题】
12.You _____ return the book now. You can keep it till next week if you like.
①
cant
②
mustnt
③
neednt
④
may not
【单选题】
6. –Look, someone is coming. Guess who it _____ be?–I think it _____ be Tom.–I don’tthink it _____ be _____.
①
must; can; must; his
②
may; can; must; him
③
must; can; him
④
might; must; can; himself
【单选题】
1. If they ______ to do this work, he might do it some other way.
①
were
②
should
③
will
④
can
【单选题】
8. I______ go to bed until I ______ finished my work last night.
①
Don’t; had
②
didn’t have
③
didn’t; had
④
don’t; have
【单选题】
7. If it is fine tomorrow, we ______ a football match.
①
have
②
will have
③
has
④
shall has
【单选题】
19. _______hand in his exercise book before Monday.
①
Need he to
②
Does he need
③
Needs he to
④
Need he