Indicate which of the following methods can be used to move a currently-attainable cost closer to target cost（）
A. Using standard components wherever possible
B. Acquiring new, more efficient technology
C. Making staff redundan
D. Reducing the quality of the product in question
A support produces（）in a particular direction on its attached member if it prevents（）of the member in that direction, and it produces（）on the member if it prevents（）
A. an external force, translation, an external couple moment, rotation
B. an internal force, translation, an internal couple moment, rotation
C. an internal force, movement, a couple moment, translation
D. an external force, translation, an internal couple moment, translation
The correct one about pointers is: [ ]We assume that all codes are compiled on 32-bit platform（）
A. struct T{ double d; } p; where p occupies 4 bytes memory;
B. char p; where p occupies 1 byte memory
C. struct S{ charm;} n; where n occupies 1 byte memory;
D. double p; where p occupies 8 byte memory;
Linear distributed loadings produce a（）having a magnitude equal to the（）, and having a location that passes through the（）
A. resultant force, external force, center of the area
B. force, external force, centroid of this area
C. resultant force, area under the load diagram, centroid of this area
D. resultant force, external force, centroid of this area
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