[简答题]筷子是中餐桌上最有特色的用餐工具。几千年来我们中国人一直视筷子为一种可以将饭从碗中送入口中的最简单同时也是最有效的工具。全国各地的筷子大小基本一样，而用材的种类则各有不同。选材包括竹子、木材、象牙、塑料、铝、银、金等。特长的竹筷通常为厨房用筷。过去人们用嵌有银器的木筷来测试是否有人在餐中下毒，因为银器碰到许多有毒品都会起变色反应。

参考答案:  Chopsticks are the most distinctive eating tool at the Chinese dining table．For thousands of years we Chinese have always regarded chopsticks as the simplest possible and the most efficient tool for transporting food from a bowl to the mouth．Chopsticks，which are roughly uniform in size throughout China，call be made of a variety of materials，including bamboo，wood，ivory，plastic, aluminum，silver and gold．Special long bamboo chopsticks are generally used in the kitchen．In the past，wooden chopsticks inlaid with silver thread were used to test whether poison was put in a meal，since silver reacts to a number of poisonous substances by changing its color．