improve life for everyone. Р7. I won’t, I hate science subjects. They are boring and difficult. I would choose a subject that best suits me as my major. РAnswer the questions: (11) РImagine the situation. You are driving along a desert or on a mountain. YouРhave no idea where you are. You passed the last house two hours ago. Then yourРcar breaks down. It is night and it is cold. You have no mobile phone. What doРyou do? Well, next time take a GPS with you. This invention may be able toРhelp you. It is a device (装置) which uses satellites (卫星) to find the user’sРposition (位置). It can find your position to within 20 metres. A GPS cannot start your car, but at least you will know where you are.РGPS, which means Global Positioning System, is a small radio receiver. It looks like a mobile phone.
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