技术指标的应用法则主要是通过以下几方面进行()
A、指标的背离
B、指标的交叉
C、指标的高位和低位
D、指标的徘徊
E、指标的转折
参考答案:A, B, C, D, E
Mary is looking forward to _____ from me , please remember
_______ this letter on your way to school .
A.hear ; send
B. hearing ; sending
C.hearing ; to send
D.hear ; sending
如图所示结构超静定次数为()。
A.3
B.4
C.5
D.6