______ 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.

Project selection methods involve measuring value or attractiveness to the project owner or sponsor and may include other organizational decision criteria （）is not a project selection method.

The Shipowner must not stow goods on deck（）there is a trade usage to that effect or the Charterer has given his express or implied consent.

In deciding to detain a ship or not, the PSCO would better not（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

Do you think your hometown is a good place for the elderly? Why or why not?

Do you think your hometown is a good place for young people? Why or why not?

The part of a windlass which physically engages the chain during hauling or paying out is the（）.

A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as（）.

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

物流系统是由物流各要素组成并使物流总体（）的综合体。