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

Project（71）is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

Project ______is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

● Project（71）is an uncertain event or condition that, if it occurs, has a positive or a negative effect on at least one project objective, such as time, cost, scope, or quality.（71）

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 ______.

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

The（）may examine or re-examine the goods or take samples from them straightaway in the absence of the consignee or the consignor whenever it considers this necessary.

Never（）the lifeboat or lifecraft disengaging locks or hydrostatic release gears because it can cause them to fail to function.

Never（）the lifeboat or lifecraft disengaging hocks or hydrostatic release gears because it can cause them to fail to function.

Damage to cargo caused by fumes or vapors from liquids，gases，or solids is known as（）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。