我国现行税法规定，税务机关可以委托工商行政管理机关代售印花税票，并按代售金额的5%支付代售手续费。 ( )
参考答案：对
_____the beginning of the 19th century did scientists know that all matter is made up of atoms.
A,At B,By C,Up to D,Not until
采用静力触探试验时，当贯入深度超过（）m应检查探杆的偏斜度。（）
A.20
B.30
C.40
D.50
