在技术分析中,停损点转向操作系统(stop and reverse)的图形和运用与______非常相似。
A.KD线B.威廉指标C.移动平均线D.VR线
参考答案:C
It has been announced that candidates(应考者) ________ remain in their seats until all the papers have been collected.
A.can
B.will
C.may
D.shall
在滴定操作,滴定终了时的读数一般控制在20~30ml,主要是为了克服()
A.系统误差
B.仪器误差
C.人为误差
D.计算误差