Animals can live only on______plants have already turned from inorganic to vegetable matter.

admin2012-08-21  28

问题 Animals can live only on______plants have already turned from inorganic to vegetable matter.

选项 A、that
B、which
C、what
D、how

答案C

解析 该句大意是“动物生存所依赖的物质是植物把无机物变成有机物时产生的。”What引出宾语从句,同时该词在从句中作宾语。
转载请注明原文地址:https://jikaoti.com/ti/UAPsFFFM
0

最新回复(0)