在Excel中,一个工作薄最大可有 (6) 个工作表,其中每个3-作表又可包含256列、 (7) 行。
A.512 B.128 C.256 D.1024
参考答案:C
______ of the land in that district _______ covered with trees and grass.
A.Two fifths; is
B.Two fifth; are
C.Two fifth; is
D.Two fifths ; are
预应力锚索钢绞束下料时要采用()切割,严禁用电弧切割。