判断下列句子运用的修辞手法。5[6h*G9~'U/M
1.绿遍山原白满川,子规声里雨如烟7G6t4c,B3\+r;F+J5[6h*G9~'U/M
2.金沙水拍云崖暖,大渡桥横铁索寒's(m'k:B(y,L4J){:?8f(e'J6J-[.b5[6h*G9~'U/M
3.桃花潭水深千尺,不及汪伦送我情(i/Y0N1s9T0H7Y/`5[6h*G9~'U/M
4.飞流直下三千尺,疑是银河落九天8O6K'P9\6|9c2v/I5[6h*G9~'U/M