Period 2(Section A 3a 3c)1throw down【点拨】throw 为及物动词，意为“ 扔” 。如： He spent hours throwing a tennis ball against a wall. 他好几个小时都对着一堵墙掷网球。 throw down 意为“ 扔下；随手一扔” 。如： He threw down the book and went out of the house quickly. 他扔下书，很快走出了房子。 【延伸】throw 的常用词组： throw at. 向扔去 ( 往往指恶意，带有攻击性的扔) throw to. 扔给( 没有恶意) throw away 扔掉2as soon as【点拨】as soon as 为固定词组，意为“ 一就” ，引导时间状语从句。如： As soon as his father went out, the boy turned on the TV . 他爸爸刚出门，那男孩就打开了电视。 He left as soon as he heard the news. 他一听到这个消息就走了。 【延伸】
