Life in the future（Period 3 Listening and Speaking）
1.these“flying boots”are operated by a small computer chip.they will rise straight up from the ground and hover or move quickly forwards or backwards.press the switch in your hand once to start and twice to stop.2.another time-saving invention.this is a shirt that cleans itself as you wear it.heat from your body warms the shirt and it attracts water vapor from the air.when there is enough water the shirt releases chemical, which cleans itself as you wear it.3.never pay for electricity again!this light bulb absorbs light from the sun and stores it.when you turn it on at night, the light is released so the bulb gives off“free”light.(as usual, the teacher won’t forget to give comments on what the students do, including the teacher’s words praising what they are doing in the first few stages.only in this way are the students encouraged to talk freely about what they want to say and why they think so.) step 6 summaryt: in this period, we mainly focus on the speaking and listening abilities.if you feel listening or speaking poor, you had better practice more.practice makes perfect.after class, would you please do so?today’s homework is to invent what you want to own in the future.then prepare for description of how it will work and what advantages of using it.the design of the writing on the blackboard
unit 3 life in the future
period 3 listening and speaking
useful expressions on discussing imaginationis it possible that...? suppose that... i wonder if...do you imagine that...? i wonder if...is it likely/unlikely that...? do you suppose that...?perhaps/maybe/possibly... mostly likely... probably...
research and activitiesread the following material about mars, and then write a passage about whether people in the future will be able to live on the mars.in the passage, you will be asked to present your opinion and try to persuade others to believe in your imagination.basic atmospheric datathe martian atmosphere is composed mainly of carbon dioxide (co2).it is very thin (less than 1 percent of the earth’s atmospheric pressure).evidence suggests that the atmosphere was much denser in the remote past and that water was once much more abundant at the surface.only small amounts of water are found in the lower atmosphere today, occasionally forming thin ice clouds at high altitudes and, in several localities, morning ice fogs.nitrogen, oxygen, carbon monoxide, and the rare gases (neon, argon, krypton, and xenon) also are present in small quantities.