NO.PZ2018062001000026
问题如下:
The principle of “Change in polarity” is about:
选项:
A. Breached uptrend becomes downtrend
B. Breached resistance levels become support levels.
C. Trend reversal when short-term moving average is crossing the long-term moving average.
解释:
B is correct. Change in polarity indicates that breached resistance levels become support levels and breached support levels become resistance level.
谢谢谢谢。完全不懂哪个知识点。