A．They need care and affection.

B．They are fond of round-the-world trips.

C．They are mostly from broken families.

D．They are likely to commit crimes.

糖皮质激素抗中毒性休克的作用机理是：

A．抑制巨噬细胞中一氧化氮合成酶

B．提高中枢神经系统的兴奋性

C．抑制巨噬细胞对抗原的吞噬处理

D．提高机体对细菌内毒素的耐受力

E．抑制生长激素分泌和造成负氮平衡