When we use the word（）we mean that an idea or theory is being applied: that whatever the teacher does, certain theoretical principles are always borne in mind.

It is abnormal that when the engine is being turned by the turning gear or by hand, （）.

A notice of readiness is not valid unless it indicates that the vessel is ready to load or discharge as the case may be，at the time（）it is given.

It is the responsibility of the Master or person in charge of a ship to ensure that（）.

It is the responsibility of the Master or person in charge of a ship to ensure that（）.

It has been decided that a collision due to any cause other than the negligence of the Shipowner or his servants is within the scope of（）.

It should be apparent that little or nothing is gained by opening a drain at the same time as or after admitting steamThe above sentence probably means （）.

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．

 ______ 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.

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

Should it appear that war or blockade would prevent the vessel from safely reaching the port of destination and / or discharging the goods thereat，the Carrier（）.

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.