国际商品协定是某些食品或原料生产国(出口国)与消费国(进口国)之间为稳定价格和保证贸易发展而缔结的()
We all found_____ to play the game.
They promised____each other when they went to work.
When the idea of winning in sports is carried to excess, ____competition can turn into disorder and violence.
Human beings are superior to animals _____ they can use language as a tool tocommunicate.
Nowhere in nature is aluminum found free, owing to its always ____ with other elements, most commonly with oxygen.
____the center of our planetary system was considered as heresy by the church in the Middle Ages.
Cultural adaptation is about;
How many types of business meetings?
Tom has been a vegetarian ____principle for years .
Tom ____ of his wife how she had met her friend.