When it hears the trigger word, it plays it back. “trigger word” here means a word that initiates a process or course of action.

When a line is laid down in loose，looping figure-eights，it is said to be（）.

When towing in an open seaway，it is important to use a towing line（）.

A fluid coil will （）large quantities of heat when it changes state from a liquid to a vapor.

A fluid coil will （） large quantifies of heat when it changes state from a liquid to a vapor.

 ______ 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.

A disk with a horizontal line through its center, equivalent to the summer load line, is called the（）.

A disk with a horizontal line through its center，equivalent to the summer load line，is called the（）.

When a line is spirally coiled about its end and lying flat on deck，it is said to be（）.

When a wind is permanently changing the direction from which it blows, it is（）.

It is common practice _____ a battery when it still has some life in it.

What is the most important when it comes to a good job: money, colleagues, boss or the working environment?