文档介绍:Unit 3 Electricity
Reading : A dangerous servant 
I. Analyzing teaching material
1. Lesson type  (Dialogue/ reading/ listening/ revision)
2. Status and function
Lesson 33 Saving the Earth is a dialogue. The lesson is focused on the topic of the problems of the earth and the functional items of Supposition/ Intentions/ conjecture/ Prohibition. Since it is a dialogue / reading. It’s helpful to improve the Ss communicative/ reading ability.
3. Teaching guideline
(Teaching syllabus: Language is for communication, develop their four skills, lay special emphasis on reading; Grellet put it well in his book developing reading skills: develop reading skill/ discourse analysis; get them to understand the western culture better; improve the ability to discover, analyze & solve the problems; Reading is for information, for fun; Use Top- down model or Bottom- up model to activate Ss schemata; Interactive model)
4. Teaching aims and demands (…be intended for Ss in key schools)
1) knowledge objects
a. Enable the Ss to remember the following new words & phrases:
Damage, lecture, pollute, pollution, room, standing room, be fit for, hear about, turn into
b. Get the Ss to be familiar with this sentence pattern:
If the population keeps growing so quickly, there will only be standing room left…
Give the Ss a reinforced practice on the functional item Supposition.
c. Activate S