用be或have的适当形式填空

1. Tom's sister          tall and thin

2. Lucy and Lily both          long curly hair.

3. Mike          heavy and          two big ears.

4. The football player          of medium height.

5.I          of medium build and          short straight hair.

糖皮质激素解热作用的机制是（）

A.抑制中性粒细胞释放致热因子

B.抑制机体的产热过程

C.抑制体温中枢对致热因子的敏感性

D.扩张血管，促进散热过程

E.使NO合成减少