1. Children with parents whose guidance is firm, consistent, and rational are inclined to possess high levels of self-confidence.
1.接受父母坚定、一致和理性的指导的孩子倾向于具有高度自信心。
2. The ancient Hopewell people of North America probably cultivated corn and other crops, but hunting and gathering were still of critical importance in their economy.
2.北美的古代霍普威尔人可能种植了玉米和其他农作物,但打猎和采集在他们的经济体系中仍是相当重要的。
3. Using many symbols makes it possible to put a large amount of information on a single map.