枕先露胎头到达盆底俯屈后，适应产道继续下降的径线是（）

A.枕额径

B.双顶径

C.枕下前囟径

D.双颞径

E.枕颏径

To impose computer technology () teachers is to create an environment that is not conducive to learning.

A. with

B. to

C. in

D. on