属于人参三醇型的是() ["人参皂苷R
0","人参皂苷Rb
1","人参皂苷Rc","人参皂苷Rd","人参皂苷Re"]
苯乙烯和丁二烯共聚得到的产物是:() ["尼龙66","环氧树脂","丁氰橡胶","丁苯橡胶"]
属于苷元的化合物是() ["A.柴胡皂苷a","B.甘草酸","C.人参皂苷R
0<\/sub>","D.甘草次酸","E.柴胡皂苷b1<\/sub>"]
题33图所示组合电路的输出F的函数表达式应为()。 ["","","",""]
对于代收代付出现的错漏,消费者应首先向()进行查询,主张相关权利,银行配合提供相关查询。 ["委托单位","银行","受托方","委托单位和受托方"]
考古学拓印的优点