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
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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
Mechanics of materials is a study of the relationship between the（）applied to a body and the（）and（）caused by the（）within the body
A. loads, stress, strain, loads
B. external loads, stress, strain, internal loads
C. internal loads, deformation, force, external loads
D. external loads, force, deformation, internal loads
Which one is the second floor of the food pagoda（）
A. Live stocks
B. Milk and related products
C. Vegetables and fruits
D. Eggs
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