There are scientific ways at which man solves problems.47.There are scientific ways ________ which man solves problems.A.in B.with C.at D.on

There are scientific ways at which man solves problems.47.There are scientific ways ________ which man solves problems.A.in B.with C.at D.on
There are scientific ways at which man solves problems.
47.There are scientific ways ________ which man solves problems.
A.in B.with C.at D.on

There are scientific ways at which man solves problems.47.There are scientific ways ________ which man solves problems.A.in B.with C.at D.on
A
in which指代何种方法
男人解决问题有很多种科学方法

选A。in a way用···方法

选A
介词in+which结构

A
这是非限定性定语从句,做时你可以变换下顺序,
为man solves problems____scientific ways.
很容易选出来用in,in scientific ways:用科学的方法.

with which
by which 都可以
说的就是人用科学的方法解决问题

A

its A, cause thats the one which makes most sence