2026知到答案 航海英语(山东联盟) 最新智慧树满分章节测试答案
第一章 单元测试
1、单选题:
Attention is called to the fact that in many cases pipelines are not ______ and charted depths may be decreased by up to 2 meters.
选项:
A:B. buried
B:C. existed
C:A. concealed
D:D. built
答案: 【B. buried】点我阅读全文
