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macprogamming
2 năm trước
Cho 0.1 mol axit đơn chức X phản ứng với 0.15mol ancol đơn chức Y thu được 4.5g este với hiệu suất 75%. Vậy tên gọi của este?
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The people living in Milton Keynes, a town about 70 kilometres northwest of London, have been introduced to a new transport experience when they use ‘pods’ to travel on certain routes. The pods are a kind of driverless cars which travel at 19km/h and are able to transport two people and their luggage. There is a touchscreen in the windshield of the pods where passengers select their terminal. During the trip they can also read the news, check e-mails or play video games on the screen. Powered by electric motors, the pods have ultrasonic sensors and a GPS system that help themselves know where they are going and how to avoid obstacles along the way. People can use a smartphone app to hail a pod in the street.\ 1. Where is the project introduced ? .......................................................... 2. What can passengers do with the touchscreen ? ............................................................................ 3. Are pods a type of robot cars? ................................................... 4. What enables pods to know where they are going and how to avoid obstacles? .............................................................................................................................. 5. ARe pods eco-friendly?

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