问题详情

When practicing with a bow and arrow, it is necessary to be aware of both the ______ and the ______ of one"s arrows if one wishes to hit the target.
A．rigor.. tenacity
B．direction .. imminence
C．breadth .. cessation
D．divergence .. expulsion
E．velocity .. trajectory请帮忙给出正确答案和分析，谢谢！