单项选择题
Attention is （）the advice on the use of charts in The Mariner’s Handbook Chapter 3，Section 1.
A.fixed to B.needed for C.pushed to D.drawn to
单项选择题 Admiralty Charts are published in （）.
单项选择题 A true bearing of a charted object，when plotted on a chart，will establish a （）.
单项选择题 A chart position enclosed by a semi-circle is a(n) （）.
