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

I’m writing to ________ a position as a computer engineer in your company. 

（）is a computer technology that headsets,sometimes in combination with physical spaces or multi-projected environments,to generate realisitic images,sounds and other sensations that simulate a user’s physical presence in a virtual or imaginary environment.

What must the Master or person in charge of a ship enter in the logbook after conducting a boat drill? （）

lf a park visitor is hurt or in danger, cell phones make it easier to get help.

Prior to getting underway，the Master or person in charge of a ship must（）.

Prior to getting underway，the Master or person in charge of a vessel must（）.

EXCEPT when suffering from a head or chest injury a patient in shock should be placed in which position?（）.

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）

 ______ twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city.