The purpose of the deck seal in an inert gas system is to prevent（）.

A . weld pad eyes on deck in proper position to secure the cargo B . strengthen the main deck by placing pillars underneath it in the tween-decks C . distribute the weight of the cargo by placing fore-and-aft planks on the main deck D . package the cargo in wooden crates so it will not damage the deck

A . To keep all the members in the group work together． B . To make the people there understand the meaning of work． C . To find a way to solve the generation gap． D . To help people enjoy their work．

A . the depth of the water at the berth B . the ship‟s draught C . the duty of the relieving officer D . the arrangement of anchor and the scope of the anchor chai

A . in B . on C . out D . with

A . make rounds to inspect the ship at appropriate interals B . take every precaution to prevent pollution of the environment by the ship C . enter, in the bell book, all important events affecting the ship D . offer assistance to ships or person in distre

A . stiffener B . beam C . stringer D . doubler

A . cools the inert gas and prevents soot from entering the cargo tanks B . acts as an emergency shutdown when inlet pressures exceed the safe working pressure C . prevents the backflow of hydrocarbon gasses into nonhazardous areas D . relieves sudden large overpressures in the system

A . The Chief Officer B . The Second officer C . The Third Officer D . Master

A . Extreme draft B . Molded draft C . Extreme depth D . Molded depth

A . forecastle B . tweendeck C . hatches D . peak tank

A . forcastle B . tweendeck C . hatches D . peak tank

A . provide energy to operate the engine between power impulses B . neutralize the primary inertia force of the crankshaft C . reduce the shock of starting loads on the main bearings D . prevent the engine from operating at critical speed

A．To welcome health care professionals B．To promote certain health services C．To discuss health workforce shortages D．To promote careers in health care

A．To keep all the members in the group work together. B．To make the people there understand the meaning of work. C．To find a way to solve the generation gap. D．To help people enjoy their work.

A. to describe how American children spend their summer. B. to explain the needs of the modern working families. C. to discuss the problems of the current school calendar. D. to persuade parents to stay at home to look after their kids.

A．To compare guided tours B．To discover new places of interest C．To introduce a book series D．To show ways of writing for children

A．To invite people to take a breath in the Bay of Naples. B．To advise people to telephone Newmarket Air Holidays Ltd. C．To persuade people to tour in the area of the Mediterranean Sea. D．To attract people to go to Sant' Agata or Sorrento for sightseeing.

A．To interest students in a career in counseling. B．To recruit counselors to work in the placement office. C．To inform. students of a university program. D．To convince local merchants to hire college students.

A．To publicize a community event B．To solicit donations for a special cause C．To ask for public feedback on a proposal D．To announce a program change

A．To advise that TV should be used for educational purpose B．To describe the harmful effects of TV on children C．To explain traditional views of influences that TV has had on children D．To suggest that television cannot be blamed for problems it doesn't cause

A．tell what the family do for Thanksgiving Day B．tell how the family spend Thanksgiving Day C．introduce foods served on Thanksgiving Day D．introduce the American Thanksgiving Day