UNIT 16 SCIENTISTS AT WORKLesson 1 --------warming up, listening and speakingStep1.Warming up Ask the students to look at the four photos in the book and describe what they see. Photo 1 shows students at work in a chemistry lab. Photo 2 shows an English book called Hamlet, a dictionary and a notebook. Photo 3 shows two students doing an experiment. Photo 4 shows students looking at something through a microscope.Step2. Listening From the four photos we know that we often do some experiments at school. But do you know how to behave in a science lab? Now let’s listen to a dialogue. It will tell us what to do and what not to do.Listen for the first time and do Ex1.Then check the answers with the class.Listen for the second time and do Ex2.Listen again,let the students check their answers.Then check the answers with the class.At last,listen again and let the students find out the sentences which contain the answers.Step3.SpeakingNow let’s talk about the great work of scientists,a high-speed maglev train.Read the dialogue and talk about ther advantages and disadvantages of it, using the useful expressions in the column.Then listen to the dialogue and pay attention to the pronunciation,stress and intonation.At last, explain some language points.1.a waste of It’s a waste of money/time.2.mean to do sth mean doing sth3.make a noise4.make use of make good/full/little use ofHomework; Read rhe dialogueGrasp the language points用心 爱心 专心 115 号编辑Lesson 2 ------ReadingStep 1. RevisionStep 2. Pre-ReadingDo you know the names of some famous scientists? Do you know Benjamin Franklin? And what is he famous for? Today we will read about him.Step 3. General readingRead the passage to get the main idea...