1.不善始者不善终。2.一鸟在手胜过双鸟在林。3.事实胜于雄辩。4.逆境出人才。5.吃一堑,长一智。6.江山易改,本性难移。7.患难见真情。8.需要之时方知友。9.得朋友难,失朋友易。10.没有十全十美的朋友。11.良好的开端是成功的一半。12.一本好书,相伴一生。13.好书如挚友。1.A b 1. poor start poor end. A bird in the hand is better than two birds in the forest. Facts speak louder than words. Adversity of talent. Eat a cutting, wisdom. 6. Jiangshan easy to change, nature is hard to move. 7. Difficult to see the truth. 8. When you need to know friends. 9. friends have difficulty, lost friends easily. 10. There is no perfect friend. 11. A good start is half the battle. 12. A good book, accompanied by life. Good books, such as best friends. 1.A b