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对可变更可撤销合同，双方都有权提出变更或撤销。
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招标文件中必须同时编制标底和招标控制价。
未通过资格预审逾、期送达、不按照招标文件要求密封的投标文件，招标人应当拒收。
确定中标人后，招标方在给中标单位发送中标通知书的同时，也应当把中标结果发送给未中标单位。
A new wearable device can let other people ______________. The device is a wristband. It is called a Moodbeam and is made by a UK company with the same name. The wristband was designed by the company and a healthcare provider. The company wanted to make a__________________ to help doctors and medical staff. The healthcare provider wanted its workers to be able to monitor their mood. Wearers of the device can check their mood by __________________. Information on their mood will be _______________. Employers and managers can also see the data stored in the cloud on a dashboard. This can let them know how workers and teams are feeling and coping at work.The original idea for the Moodbeam wristband came from a worried mother. She wanted to know how her daughter was feeling when she wasn't with her. The company website says: "Moodbeam is ____________________that whilst how we feel is so important ______________, it's hard to ______, tough to talk about and often invisible....Moodbeam was created with the ambition to ____________________, by making it easier to understand and talk about how we feel." It added the device: "Allows for better understanding of how we feel, _____________________with those we care about and helps us lead happier lives."
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