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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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皮皮学刷刷变学霸
举一反三
【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()。
【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
【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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