某1:5000图幅的西南角坐标值X=20km,Y=10km,则其图幅编号为()。
A、20-10
B、10-20
C、2-1
D、1-2
参考答案:A
____________better ways for digging tunnels__________, the first railway tunnel under the River Thames was dug in 1884.
A.As , developing
B.With, developed
C.As , were developed
D.With, development
申请农药登记的单位,不需要向省农业行政主管部门所属的农药检定机构提交()资料。
A.农药产品化学
B.药效
C.环境影响
D.农药配方