Molish反应呈阳性的化合物是()
A.浓硫酸
B.浓盐酸
C.葡萄糖
D.苯胺
E.邻苯二甲酸(果维康)
参考答案:C
--Excuse me, I want to have my watch fixed, but I can't find a repair shop.
--I know___________ nearby. Come on, I'll show you.
A.one
B.it
C.some
D.that
输送碱液的水力喷射器一般采用的材质为()。
A、有机玻璃
B、石墨
C、不锈钢
D、碳钢