参考答案:
Chopsticks originated in ancient China and have been an important part of Chinese food culture. Our ancestors liked to have steamed or boiled food,but it was difficult for them to spoon out vegetables from the soup, so they invented chopsticks. Thus chopsticks have become the most convenient tableware in their life and marked the coming of food civilization. Nowadays,chopsticks are added many new functions besides being used as one kind of tableware. Skillful craftsmen paint beautiful sceneries on them to make them look like fine artworks. Many people are keen to gather them as their collections.