Section B: Read this paragraph and answer the questions. Working online has increased the risk of diseases, including diabetes and heart disease. This is partly attributed to sitting still for long periods of time. While sitting at desks is also a component of office work, in an office there may be more opportunities for movement, such as discussions with colleagues or walks to the printer. Different positions such as sitting up straight or in a relaxed way can be used for different tasks to place different physical stresses on the body. In addition to changing positions, stand-up desks can also relieve pressure on the body. While effective, any position held for a long period of time can be harmful, as bodies were not designed to be stationary. Fill in the gap with ONE WORD from the paragraph. 3. Online workers should seek ____ to walk around, as office workers do.简答题

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