肾盂上皮细胞又称为()
A.肾小管上皮细胞
B.小圆上皮细胞
C.尾形上皮细胞
D.鳞状上皮细胞
E.大圆上皮细胞
参考答案:C
在下列溶液中,BaSO4的溶解度最大的是()。
A.1mol/L的H2SO4
B.2mol/L的H2SO4
C.纯水
D.0.1mol/L的H2SO4
Tom did all _____he could to get on well _____his classmates.
A.which; with
B.that; /
C.that; with
D./; /