【简答题】By taking three well-known principles in physics, "the principle of complementarity ", "dissipative structure theory" and "Wheeler's principle of a______” (plain and ordinary), the paper explores the ...
【单选题】Rugby has the reputation of being the roughest sports in the world. Outside the British Isles, rugby is little known and, in fact, is often confused with soccer. But in England, as old sports saying s...