_______ snacks and drinks，but they also brought cards for entertainment when they had

　 a picnic in the forest.

A．Not only they brought

B．Not only did they bring

C．Not only brought they　

D．Not only they did bring

需要去枕保持头部充分后仰的是（）。

A.面部烧伤

B.颈前烧伤

C.胸部烧伤

D.颈后或两侧烧伤

E.腋部、胸、背部、侧胸壁、上臂烧伤