Anne and Sue are good f____. They have the s____ age. They are both twenty-two. They both like sports. Most important, they both like new dresses. They usually go s____ together at weekends. Now they are in a c____ shop. There are d____ kinds of beautiful dresses. Anne wants a red dress. But Sue thinks the pink o____ is better.

人体最主要的能源物质是（    ）

同学们正处于身体迅速生长的时期，一日三餐会为我们提供糖类、____、____、无机盐、维生素、____六大类营养物质和膳食纤维．

各种职业的劳动都是____所需要的。