装订一本书要42张纸,现在860张纸装订20本书,纸够吗?
860÷42=20(本)…20(张);
所以够装订20本书;
答:现在860张纸纸装订20本书.
With trees and grass ______39.6% of the urban area,the city of Weifang has taken on a new look. [ ]
A. covered
B. covering
C. to be covered
D. being covered
关于尿液颜色叙述正确的是()
A.丝虫病常见血红蛋白尿
B.急性肾小球肾炎常见胆红素尿
C.肝细胞性黄疸常见血尿
D.泌尿系肿瘤常见血尿
E.恶性疟疾常见乳糜尿