As we all know， the "rice bowl" culture of China has influenced some Asian countries such as Japan， Korea and Vietnam since we started to use chopsticks while eating food．

Chopsticks are usually two long thin pieces of wood or bamboo． They can also be made of plastic， animal bone or metal． （1） The most important thing is that chopsticks are agreatinvention inChina．

Five thousand years ago people usually cooked their food in large pots， using twigs（小树枝）to remove it． （2） 　　the population grew， people began cutting food into small pieces． （4） Food in small pieces could be eaten easily with twigs by people．And twigs were gradually changed into chopsticks．

Some people think that the famous scholar Confucius living from about 551 BC to 479 BC pushed the development of chopsticks． Confucius believed that using chopsticks instead of knives would remind people to stay away from killing and violence at table．

We enjoy our delicious food with our family members or friends while feeling the peaceful and people﹣loving world by using chopsticks at table anytime．

（1）请将（1）处下划线的句子译成中文： 　　

（2）在（2）空处填入一个使语意连贯的连词： 　　

（3）What materials can be used to make chopsticks？ 　　

（4）请将（4）处被动语态的句子转化为主动语态的句子． 　　

（5）What is a possible title for this passage？ 　　

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