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s gene cell protein biology experiment 1. Safety es first 2. Follow the teacher’s instructions 3. Bottles may contain dangerous gases. 4. Immediately wash your eyes with a lot of water. 5. Clear everything away and leave the classroom neat and clean, wash your hands, turn off the lights and shut the windows. ( P22 ) Listening on page 89 1 It is the oldest public museum . it has a library where many great writers and scientists wrote their books. 2 A museum about nature and environment. 3 The first areoplanes and the American Space capsule that made the first flight around the moon. Useful expressions on P 23 be to do sth: should /must do, plan to do a maglev train in one’s opinion (a) waste of money much too / too much in the future mean to do sth./ mean doing sth. make (good/full) use of ?The money would be better spent building more roads or railways in other parts of China. Cloning help some women have babies help medical research is not natural to make people , people use it to do strange things Nuclear energy make all the electricity we need a limitless resource to all life if not controlled be expensive to build/repair Speaking on P23 Computers