程序段G73P0035Q0060U1.0W0.5F0.3中,Q0060的含义是精加工路径的最后一个程序段顺序号。
参考答案:对
143. As is recorded in history, silkworms were first raised by a woman in ______ is today Hebei Province.
A.where
B.the place
C.what
D.Which
《中国药典》规定含量测定时用什么指示终点()
A.酚酞
B.永停法
C.甲基橙
D.甲基橙
E.淀粉溶液