下列每组划线字注音中，都有一个错的，请找出来，并把正确的写在横线上。

a①华如橘（huá）  　②壳如红缯（zēng）　③瓤肉莹白如冰雪（ráng）____

b①膜如紫绡（xiāo）　②核如枇杷（pí　pá）　③四五日外，色香味尽去矣（yí）____

    As they walk down the halls during their years together at Shady Side, our boys and girls —— so soon to become men and women —— are learning to think, to work, to question, to be ____ and ____, to____with others, to laugh at their mistakes and to act ____ when ____ comes their way.

    Sir William Osler, a famous Canadian doctor,____ the value of ____ by saying, "No man is really happy ____ a hobby, and it makes precious little ____ what the outside ____ may be."

请根据图中的信息，解答下列问题：