葡萄糖注射液的含量测定方法为（）
A.荧光分光光度法
B.旋光度测定法
C.双相滴定法
D.紫外分光光度法
E.气相色谱法
参考答案：B
.
Britain, ______ many other industrialized countries, ______ major changes over the last 100 years.
A．together with; have experienced
B．as well as; have experienced
C．in common with; has experienced
D．instead of; has experienced
50116刀闸控制电源电压为（）。
A.380V交流电
B.220V直流电
C.110V直流电
D.220V交流电
