高二unit 8 first aid 单元单词和语言点总结
Unit 8 the first period
Teaching aims: master the key words in this unit
Teaching procedures:
1．first aid
in aid of : they collected money in aid of cancer research.
With the aid \ help of… : with the aid of his neighbor, he managed to put out the fire.
2.drown: （优化上有）
及物： A. 淹没，淹死某人 drown sth \ sb
B．一声音淹没另一声音 drown (out )sth
（to prevent a sound from being heard by making a loud noise.）
Her voice was drowned out by the traffic.
不及物: C. 溺死 （多用被动语态）be \get drowned