答案:D
良性与恶性肿瘤判定中,最有诊断意义的是
A.生长方式B.生长速度C.肿瘤的异型性D.对机体影响E.出血与坏死
—Is the cotton produced _____ your farm, Mr Black?
—Yes, we also grow tea and wheat here.
A. on
B. by
C. of
D. from