STCW78/95 Convention describes that _____ are laid down for the certification of engineer

The Constituional Convention was held in Philadelphia.() ？

The CMR convention is the convention on contract for international carriage of goods by()．

A．rail

B．sea

C．air

D．road

A.到来

B.阻止

C.冒险

D.惯例

The SOLAS Convention is the main international convention .

A.about marine pollution prevention

B.covering safety of life

C.about marine

D.about ship and port security

B、A convention is a class of intense study relating to one’s major

C、A convention is usually held for people belonging to the same profession, organization or political group

D、A convention is usually organized regularly at a specific time each year

A.n. 概念

B.n. 冲突

C.n. 惯例

In order to meet the development of the exhibition/convention industry ，a code of regulations and rules has to be formulated.()

A.occasion

B.frequency

C.convention

D.moment