1. 功式： not A but B
She is no beggar but a volunteer. You misunderstood
为什么是用no 而不是not (选项中有not)

2.这样翻ok，但要知道是因为不想要...，所以青少年...用分词构句表示因果关系补充那一题=>只要抓住基本原则－形容词修饰名词、副词修饰形容词、动词或副词Ex.He is as tall as his brother.(tall=>adj.)Ex.He runs as fast as his brother.(fast=>adv.)1.no=not a，所以选项少了不定冠词(a)