初中英语沪教牛津版(五四制)七年级下册（新版）Unit 11 Electricity优秀ppt课件

这是一份初中英语沪教牛津版(五四制)七年级下册（新版）Unit 11 Electricity优秀ppt课件，共21页。
Where des ur electricity cme frm?
Learn the new wrds!
wire n. 电线；导线
spire n. 尖顶
The pyln carries wires.
electricity n. 电；电能 pyln n. 电缆塔 carry v. 支撑；承载
lightning n. 闪电 → flash v.（使）闪耀；闪光 thunder n. 雷；雷声 → crash v.（使）发出巨响
fright n. 惊吓；恐怖 →frightening adj. 引起恐惧的；使惊恐的；骇人的
The big dg gave him a fright.
arm n. 胳膊→arm n. 臂状物
plug n. （电源）插座；插头
Read the wrds and phrases fr a few minutes.
On a dark night, when lightning flashes.On a dark night, when thunder crashes.What d yu see?Electricity!When Benjamin Franklin flew a kite,Smething in the wire gave him a fright.What culd it be?Electricity!
Sing a sng
But we cannt use the lightning.Ding that wuld be t frightening.What d we need?Electricity!Bil sme water, make sme steam,It can drive a big machine.What des it make?Electricity!
See the pylns carrying wires,On the arms f their tall spires.What d they bring?Electricity!Then it cmes int ur hmes,T plugs and lights in every rm.What d they use?Electricity!
Answer the questins abut the sng.
(1) What flashes in a strm?(2) What crashes in a strm?(3) What gave Benjamin Franklin a fright?(4) Hw d we make electricity?(5) What carries the wires t ur hmes?(6) Where des electricity t g in ur hmes?
Lightning.
Smething in the wire.
Bil sme water, make sme steam. It can drive a big machine. It makes electricity.
The pylns.
T plugs and lights in every rm.
1. On a dark night, when lightning flashes. 在一个漆黑的夜晚，闪电划破夜空。flash ①〔动词〕（使）闪耀；闪光Lightning flashed in the distance. 远处电光闪闪。②〔名词〕闪现；闪耀；闪光灯a flash f lightning 一道闪电
Language pints
2. Electricity! 电！electricity〔不可数名词〕电；电能Dn’t waste electricity. 别浪费电。【拓展】①electric〔形容词〕电的；用电的；发电的an electric light电灯②electrical〔形容词〕电的；与电有关的electrical pwer/energy 电力/能
3. Smething in the wire gave him a fright. 导线中有什么东西吓了他一跳。fright 〔名词〕惊吓；恐怖give sb. a fright吓某人一跳 in fright惊恐地Oh, Jhn. Yu gave me a fright. 哦，约翰。你吓了我一跳。【拓展】①frighten 〔动词〕使惊吓；使惊恐Srry, I didn’t mean t frighten yu. 对不起，我没有吓唬你的意思。②frightening 〔形容词〕引起恐惧的；使惊恐的 常修饰事物。a frightening experience一次可怕的经历③frightened〔形容词〕受惊的；害怕的 常说明人。I’m frightened f walking hme alne in the dark. 我害怕在黑夜单独走路回家。
4. See the pylns carrying wires, On the arms f their tall spires. 看看承载着电线的电缆塔，在它们高高的尖端的臂状物上。carry〔动词〕①支撑；承载 A rad bridge has t carry a lt f traffic. 公路桥必须承载很多来往车辆。②拿；提；扛；搬 He was carrying a suitcase. 他提着一只手提箱。③携带I never carry much mney n me. 我身上从不多带钱。
I. 选择最恰当的答案
_________ a dark night, what d yu see when thunder crashes?A) At B) On C) In D) FrmⅡ. 用所给单词的适当形式填空1. The plicemen help us t live in a_________place. (safety)2. _________ can help us drive a machine. (electric)3. This film was s _________ that I didn’t like it very much. (frighten)
Electricity
frightening
Ⅲ. 选词填空1. When thunder_________and lightning _________, we can see electricity. (flashes/crashes)2. Peple use _________ appliance at hme. (electricity/electrical)3. We are _____________ by the lud nise. (frightening/frightened)
crashes flashes
electrical
frightened
Preview “Read and write” n page 85.