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【单选题】
America university students are usually under pressure of work because _______.A.
their academic performance will affect their future careers
B.
they are heavily involved in student affairs
C.
they have to observe university discipline
D.
they want to run for positions of authority
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【简答题】passive positioning
【简答题】Positioning
【简答题】W hat is the positioning principle with six points ? What is the complete and incomplete positioning? What is the over-positioning or the under-positioning ?
【简答题】positioning strategy
【简答题】Global Positioning System
【简答题】positioning strategy
【单选题】The positioning axes in elevation drawing should be ( )
A.
It's not necessary to draw positioning axes
B.
All the primary positioning axes should be drawn
C.
Only the middle positioning axes need to be drawn
D.
Only the start and end positioning axes need to be drawn
【单选题】GPS是“全球定位系统”的简称。英文为()。
A.
Global Positioning System
B.
Gold Positioning System
C.
Global Post System
D.
Gold Post System
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