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高中英语语文版(中职)拓展模块Unit 8 General ScienceSpeaking教课ppt课件
展开Answer the fllwing three questins.1. D yu knw hw t read “3+4=7” in English?2. Can yu explain Ohm’s Law in English?3. Are yu interested in bks n science in English?
Let’s lk at the tw pictures:What is the man ding?What is the wman ding?If a frce f 2000N causes the weights t mve 2 meters, hw can yu calculate the wrk dne by the man?If a frce f 80N can make the lawnmwer mve alng straight line fr a distance f 40 meters, what is the wrk dne by the wman?
Fast Reading
Answer the fllwing questins accrding t the text.1. What is the definitin f “wrk”?2. Hw d yu calculate the amunt f wrk dne?3. What is the definitin f 1 Jule?4. What is the definitin f “pwer”?5. What is the definitin f 1 watt?
Language Pints
in everyday life 在日常生活中prevent sb (frm) ding 阻止某人做某事 eg. The heavy rain yesterday prevented us (frm) cming.
everyday: adj. “日常的,平常的”,作定语
every day:名词词组,“每天” 作状语
3. In the directin f … 沿着……的方向 eg. She turned in the directin f the the park.4. That is t say. 也就是说 eg. He is a gd student; that is t say, he gets gd grades in schl.
5. 数学符号在英语中的表达: “ = ” equal; be equal t; is; make “× ” times; multiplied by “÷ ” divided by “ + ” plus; and; add “- ” minus eg. 3*5=15 2+4=6 17-5=12 9/3=3
6. In rder t + V原 “为了,以便” 表目的 eg. Let’s walk faster in rder t keep warm.Adj n. high height lng length strng strength deep depth wide width
8. apply … t… 把……施加到/ 添到…… apply fr 申请9. as: “当的时候”,引导时间状语从句,与相近,强调两个动作同时发生,或某事一发生,另一事立即发生。 eg. As she sang, the tears ran dwn her checks.10. Wrk ut: “算出,解出”11. Be measured in: 以…单位计算”
Reading CmprehensinLanguage Study
Read the text fluently
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