Most people are not yet aware that water is precious resource that must be______.

admin2015-01-30  22

问题 Most people are not yet aware that water is precious resource that must be______.

选项 A、enriched
B、preserved
C、reserved
D、conserved

答案D

解析
转载请注明原文地址:https://kaotiyun.com/show/SaVK777K
0

随机试题
最新回复(0)