【单选题】Early in the sixteenth century, Francis Bacon proposed that science consisted in the elevation of the authority of experiment and observation over that of reason, intuition, and convention. Bacon thou...
【简答题】阅读理解 Early in the morning, at noon, or in the evening, in big cities and in the countryside, all across the United States, you can see Americans running. Men and women, young people and old people are...