The farmer grows various kinds of crops, wheat, cotton and rice.
A. for example
B. as
C. that is
D. such as
网友回答
A. for example
B. as
C. that is
(答案→)D. such as
解析：
试题分析:句意：农民种植各种各样的农作物，比如小麦，棉花和水稻。A例如；B像，作为；C也就是；D比如。根据crops和wheat，cotton and rice 可知他们之间是上下义词的关系，表示同类的列举，而for example 是举例说明，答案选D。