【多选题】Why would a clone not be identical to the 'master copy'?
A.
They are totally different persons.
B.
The clone's cells, for example, would have energy-processing machinery that came from the egg, not from the person who was cloned.
C.
They have different genetic source.
D.
The clone’s cells can be productive.
【单选题】在pH=10时向自来水中加入三乙醇胺,以EDTA作标准溶液滴定用铬黑T作指示剂,则测出的是
【单选题】关于活塞的结构,下面说法不正确的是( )。
【单选题】在给定一个方向时,平行度的公差带是(C)。
B.
直径为公差值t,且平行于基准轴线的圆柱面内的区域
C.
距离为公差值t,且平行于基准平面(或直线)的两平行平面之间的区域
D.
正截面为公差值t1*t2,且平行于基准轴线的四棱柱内的区域
【多选题】一国货币成为外汇,要具备以下( )条件。
【单选题】肝脏发生脂肪变性时,体积肿大,有油腻感,质地松软,呈( )