As shown in the picture, it is a part of the distribution map of tourist areas in Shanxi Province. The map is printed on a piece of paper with a size of 32K. If you use a ruler to measure ty's distanc

As shown in the picture, it is a part of the distribution map of tourist areas in Shanxi Province. The map is printed on a piece of paper with a size of 32K. If you use a ruler to measure ty's distance. A tape measure with a dividing value of 1cm and a measuring range of1m. The score value is too large, inaccurate and does not meet the meaning of the question;

B, vernier caliper with dividing value of 0.02 mm, the measuring range is too small, and the operation is inconvenient. It doesn't meet the problem;

C. Triangular ruler with dividing value of 1cm and measuring range of 7cm. The measuring range is too small and the dividing value is too large, which does not meet the meaning of the question;

D. Transparent plastic ruler, scale value 1mm, measuring range of 30cm, just suitable for 32K paper, scale value is small enough to meet the question.

So choose D.