()是属于按用途分类的船舶。
A.远洋船,沿海船
B.军用船,民用船
C.人力船,柴油机船
D.排水型船
参考答案:B
下列变化中,需加入氧化剂才能实现的是[ ]
A.CaO → Ca(OH)2
B.Cu2+→Cu
C.Fe2+→Fe3+
D.CO2→CO
September 18th, 1931 is a special day, ________, I think, that will be remembered by the Chinese forever.
A.one
B.it
C.which
D.that