少年时期的情绪具有敏感但不稳定，强烈但又脆弱，容易冲动等特点，那我们就要采取必要的成熟的措施，即（    ）

人们吃进的食物和吸入的空气都要通过的结构是（　　）

    ZUO'AN  SHOE  SHOP

Dear friends,

    There are different kinds of female shoes in our store, including high-heeled shoes, low-heeled shoes and flats. This weekends, all the shoes are on sale. You will get each pair shoe at 20% discount.

Time: 9:00 a.m. — 9：00 p.m. on March. 3^rd

    If you want to know more information, you can call Mr. Tian at 13763538666 or come to our website www. zuo'an. com.

    Come and see for yourself!