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【单选题】
对于轴测图,下列叙述不正确的是( )。
A.
国家标准推荐正等测、斜二测绘制机件的轴测图
B.
轴测图画法有坐标法、切割法、叠加法
C.
当机件一个方向是由回转体组成,一般采用斜二测画轴测图
D.
当机件一个方向是由回转体组成,一般采用正等测画轴测图
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举一反三
【单选题】颐和园有几处是中轴对称的。
A.
1.0
B.
2.0
C.
3.0
D.
4.0
【简答题】通过塑造具体生动的形象来反映社会生活的意识形式叫做()。
【判断题】原理图中,各电器元件不按它们的实际位置画在一起,而是按其线路中所起作用分画在不同电路中,但它们的动作却是相互关联的,必须标以相同的文字符号。
A.
正确
B.
错误
【多选题】用游标卡尺测量零件是:
A.
直接测量
B.
间接测量
C.
绝对测量
D.
相对测量
【单选题】Which of the following titles is most appropriate to the text?
A.
Remembering Lessons Learned
B.
How to Save Energy
C.
In Search of Alternative Fuels
D.
A Discussion of Global Warming
【单选题】Volcanoes Geologists have been studying volcanoes for a long time. Though they have learned a great deal, they still have not discovered the causes of volcanic action. They know that the inside of the...
A.
interior of the earth
B.
results of volcanic action
C.
work of geologists
D.
formation of volcanoes
【单选题】It’s important for us __________ more ways than knowledge itself.
A.
learn
B.
learning
C.
to learn
D.
learned
【判断题】电气原理图中,同一电器的各元件不应按它们的实际位置画在一起。
A.
正确
B.
错误
【单选题】通过塑造具体生动的形象来反映社会生活的意识形式是()
A.
道德
B.
政治法律思想
C.
艺术
D.
宗教
【单选题】Volcanoes Geologists have been studying volcanoes for a long time. Though they have learned a great deal, they still have not discovered the causes of volcanic action. They know that the inside of the...
A.
interior of the earth
B.
results of volcanic action
C.
work of geologists
D.
formation of volcanoes
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