人教版高一英语Scientists at work 课件VIP免费

Learning Aims:1 .To get to learn something about the science in the world2 .To improve our listening ability. tie up 系紧；拴牢be careful doing 小心做……be to do 表示安排，命令，用途１． We are to meet at the school gate . （安排）２． You are to be back by 10 o’clock （命令 ）３． A knife is to cut with （ 用途 ） 1 .Listen to the tape for the first time and tick the things that Mrs Zhu talks about.safety in the lab gloves gases experiments long hair liquidscar accidents shoes flames Listen to the tape again and answer the following questions(1) What is the most important thing students should remember?(2) What is the first thing students should do when they come into the lab?(3) Why should students be careful smelling from bottles?(4) What is to be done when anything gets into your eyes?(5) What should students do before leaving the lab? (1) What is the most important thing students should remember?(2) What is the first thing students should do when they come into the lab?(3) Why should students be careful smelling from bottles?Safety comes first!Follow the teacher’s instructions.Because bottles may contain dangerous gases. (4) What is to be done when anything gets into your eyes?(5) What should students do before leaving the lab?Immediately wash your eyes with a lot of water.Clear everything away and leave the classroom neat and clean. Wash your hands with water and soap. Turn off the lights and shut the window. Listen to the tape for the second time to write down some key words .Before the experiment:1.______comes first!2.______the teacher’s _________.3.Don’t come in _______________.4.Students with long hair should _____it ___.Always ___________ your teacher’s instructions and don’t...