A position that is obtained by using two or more intersecting lines of position，taken at nearly the same time，is a(n)（）.

【参考范例二】Animals or Pets What is your favourite animal?

A line connecting all possible positions of your vessel at any given time is a（）.

At 0400 your vessel is dead in the water and in heavy fog. Your loran set fixes your position at LAT 41°12.1’N，LONG 72°43.5’W. Bottom samples are taken and indicate a composition of soft mud and shell. Your fathometer reads 40 feet. If the vessel draws 9 feet of water，which of the following is TRUE?（）

When your vessel is on or near the path of an approaching tropical storm the（）.

At 0530，your position is LAT 41°12.6’N，LONG 72°08.5’W. What is the color of New London Light?（）

Project（71）is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

Project ______is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

● Project（71）is an uncertain event or condition that, if it occurs, has a positive or a negative effect on at least one project objective, such as time, cost, scope, or quality.（71）

In speed reading, looking at your watch every 5 or 10 minutes ______.

A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as（）.

If you do not know the subject, you will not understand what is said or written, even if English is your mother （） what is said or written.