(课外) Read the following paragraph and answer questions. The tomato is originally an American plant. It was found in South America by early Spanish explorers. The word tomato comes from the native Nahuatl word tomatl. But when it moved north, the plant earned a different name. Remarkably, the settlers in North America thought it was poisonous. They believed that to eat it was surely to die. It was said that deserted suitors would threaten to eat a tomato to cause their coldhearted lovers regret. Because of this legend, the settlers called the tomato a"love apple. " While people enjoyed other native plants such as corn and sweet potatoes, everyone avoided the tomato.