题目
8. [单选题] Which of the following symbol indicates “Sand” when describing the nature of the seabed on nautical charts? _______.A. MB. SC. GD. R9. [单选题] On nautical charts, the abbreviation “Cl” represent _____ when describing the nature of the seabed.A. SandB. MudC. Clay
8. [单选题] Which of the following symbol indicates “Sand” when describing the nature of the seabed on nautical charts? _______. A. M B. S C. G D. R 9. [单选题] On nautical charts, the abbreviation “Cl” represent _____ when describing the nature of the seabed. A. Sand B. Mud C. Clay
题目解答
答案
8. 根据海图符号标准，S 表示 Sand（沙），M 表示 Mud（泥），G 表示 Gravel（砾石），R 表示 Rock（岩石）。故正确答案为 B. S。
9. “Cl”在海图上表示 Clay（黏土），而非 Sand 或 Mud。因此，正确答案为 C. Clay。
答案：
8. B. S
9. C. Clay