能证明淀粉部分水解成葡萄糖的试剂是( )
A:淀粉﹣碘化钾溶液和溴水
B:氢氧化钠溶液与碘水
C:新制Cu(OH)2悬浊液与碘水
D:碘化钾溶液与碘水
We are not ready to go into production yet.The new switch mechanism isn't fully__________.( )