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答案：B
解析：
Choice B is correct. Rearrange the equation to put it into slope-intercept form y=1/12-x=(-1)x+1/12
The line has slope m=-1 and y-intercept b=1/12. Therefore, the line y=1/12-x has a negative slope and a positive y-intercept.
adj. 否定的，负的，消极的
n. 底片，负
