处在生长发育时期的青少年需补充更多的_____，因为它能维持人体正常的生长发育、组织更新等生命活动。[ ]

A．糖类        

B．蛋白质        

C．脂肪        

D．维生素

根据短文内容和所给汉语提示，写出短文空白处各单词的正确形式。（每空限填一词）

Dear Tom,

How are you ?  I am  小题1: (健康的).  小题2: (谢谢) for your photo.  My name is Zhang

Qiang.  I am twelve.  I like   小题3: (打，玩) baseball.  I have a brown one, but I   小题4: (丢失) it last week.  What  小题5:  (关于) you ?  Here are my two pictures.  In the   小题6:  (第一) picture, the boy in  小题7:  (紫色) is my brother Zhang Lei.  I am playing basketball with Jack in this picture.  The next photo is my family photo.  These are my parents.  They are workers.  My sister is only eight, but she can play computer   小题8:  (游戏) well.  You will come to  小题9:  (中国) next year.  Please  小题10:  (发邮件) me and tell me the exact time.

Zhang  Qiang