头肩底向上突破颈线，需要下列哪些因素配合，才可以判断买入时机_爱下问搜题

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问题单项选择题

头肩底向上突破颈线，需要下列哪些因素配合，才可以判断买入时机（）。

A.出现大阳线

B.出现连续阳线

C.成交量温和

D.成交量持续放大

答案

参考答案：D

选择题

The first edition ____ in 1955 and ____ a best seller ever since.

A. was published; had been
B. had been published; had been
C. has been published; has been
D. was published; has been

填空题

设计的注塑模闭合厚度必须满足下列关系：（），若模具闭合厚度小于注塑机允许的模具最小厚度时，则可采用加垫块来调整，使模具闭合。