铁道机车用的电测仪表的准确度规定为()三级。
A.1.5、2.0、2.5
B.1.0、1.5、2.5
C.1.0、2.0、3.0
D.2.0、2.5、3.0
参考答案:B
Speaker A: Could I speak to John, please Speaker B: John There’s no one by that name here. I’m afraid you’ve got the wrong number. Speaker A: ().
A. Well, I’ll try again
B. OK, let me check again
C. All fight, thank you
D. Oh, sorry to have bothered you
花卉栽培常用有机肥中,鸡粪属于()
A.基肥
B.迟效肥
C.完全肥
D.追肥