The guard, fencing or shielding for moving parts or machinery can be removed for repair only when the machinery it belongs to（）

It’s（）to stow optional cargo in the lower hold．You’d better give it block stowage in the tweendecks，then it can be easily discharged either at Shanghai，or Dalian or Tianjin.

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 （）.

Believe it or not, when first (introduce) ____ to Europe, tomato was thought to be poisonous.

The guard, fencing or shielding for moving parts or machinery can be removed for repair only when the machinery it belongs to（）

It will be a relief over the death of a friend or a relative if the friend or relative dies from ______.

I think you should end it ______ it is too late, or you will be sorry for it.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

（）are liable to be stoten, pilfered or may damaged due to improper handing or stowage.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。