47. The author's mother taught him a valuable lesson by pointing out lots of flaws in his seemingly perfect essay. 對應C段
48. A writer should polish his writing repeatedly so as to get closer to perfection. 對應K段
49. Writers may experience periods of time in their life when they just can't produce anything. 對應E段
50. The author was not much surprised when his school teacher marked his essay as "flawless". 都應B段
51. Criticizing someone's speech is said to be easier than coming up with a better one. 對應F段
52. The author looks upon his mother as his most demanding and caring instructor. 對應A段
53. The criticism the author received from his mother changed him as a person. 對應H段
54. The author gradually improved his writing by avoiding fancy language. 對應J段
55. Constructive criticism gives an author a good start to improve his writing. 對應G段
