接合性耐药质粒中的耐药传递因子决定宿主菌对药物的耐受性。()
参考答案:错
You are kindly requested to supply the necessary tallymen to do()on board the ship during the discharging of the cargo.
A.the tallying work
B.the lashing work
C.the clean work
D.the work of opening and closing hatches
图是某地海岸地区的等高线(单位:米)示意图,比例尺为1:50000,图中每一方格的边长为2厘米。读图回答题。
若在甲处建一储运仓库,需将所在小山头沿50米等高线铲平,平整后的土地面积约为()
A.0.1km2
B.1km2
C.0.3km2
D.3km2