要点探究
1. turn on
【感知】
» Then he turned on the stove and left the
oil to heat while he prepared the chicken.
(教材第16页)
然后他打开炉火,让油先热起来,同时备好鸡肉。
» In a panic, James turned off the stove at
once.(教材第16页)
惊慌之下,詹姆斯立刻关掉了炉子。
【探究】
(1)turn on 意为"接通(电流、煤气、水等);
打开",其反义短语为
(关闭)。
(2)若宾语为代词(it/them),必须放在 turn
和 on 之间,如:turn it on。
(3)相关短语:
turn up 调高(音量)
turn down 调低(音量);拒绝
turn around 转身
【应用】
单项选择
(江苏连云港中考)To live a green life, we
should remember to the lights
when we leave a room.
A. turn on B. turn off
C. turn up D. turn down

[探究](1)turn off
[应用]B

2. throw
【感知】
» James cried out and threw himself to the
floor.(教材第16页)
詹姆斯大喊一声,扑倒在地。
» Recycling is good, so don't throw away
bottles or newspapers.
回收利用很好,所以不要扔掉瓶子和报纸。
» He threw down the bag and went out.
他扔下包就出去了。
» He made a long throw and the ball went
into the basket.
他用力一投,篮球就进筐了。
【探究】
(1)throw 作动词,意为"猛动(身体部位);
扔;抛"。其过去式是。过去分词
是 thrown。
① 扔掉;错过
②throw down 扔下;随手丢下
(2)throw 作名词,意为"扔;投(球)"。
【应用】
①用所给单词的适当形式填空:He
(throw) his schoolbag on the sofa and ran
to play.
②完成句子:小女孩扔下玩具,哭了起来。
The little girl her toy
and began to cry.

[探究](1)threw ①throw away
[应用]①threw ②threw down