适用于介绍具有非时间性联系的事理知识的是(　　)。

A．横向叙述

B．纵向叙述

C．交叉叙述

D．描述性叙述

The standing part of a tackle is（）.

A.all the fall except the hauling part

B.the hook that engages the weight to be moved

C.that part to which power is applied

D.that part of the falls made fast to one of the blocks