下列哪一个表述是正确（）
A. [email protected]（posedge CLK or RST）
B. [email protected]（posedge CLK or negedge RST or A）
C. [email protected]（posedge CLK or D or Q）
D. [email protected]（posedge CLK or negedge RST）
The budget line（）
A. determines an individual’s optimal consumption basket
B. will not shift at all if the prices of both commodities increase and income is unchanged
C. determines an individual’s possible consumption baskets
D. is a straight line whose slope is given by the rate of inflation
Marginal cost equals（）
A. total cost divided by total output
B. the change in total cost associated with an additional unit of output
C. the change in average cost
D. the slope of the average cost curve
下列描法中不属于粗笔的是Among the following
drawing techniques, that which do not belong to thick lines are（）下列描法中不属于粗笔的是Among the following
drawing techniques, that which do not belong to thick lines are（）
A. 铁线描iron wire line
B. 折芦描folded rush leaf line
C. 混描mixed and layered
D. line
E. D．钉头鼠尾描nail-head and
F. mouse-tail line
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