问题
选择题
Engines are to machines ________ hearts are to animals.
A．as
B．that
C．what
D．which
答案
答案：C
此处是固定句型A is to B what C is to D，意为“A对B之关系犹如C对D之关系”，因此选择what。
搜题请搜索小程序“爱下问搜题”
Engines are to machines ________ hearts are to animals.
A．as
B．that
C．what
D．which
答案：C
此处是固定句型A is to B what C is to D，意为“A对B之关系犹如C对D之关系”，因此选择what。