语法填空单句练习（十三） Cycling is the most economical, sustainable and fun way (explore) the city, with (it) beautiful canals, parks, squares countless lights. MacBike has been around almost 30 years and is (big) bicycle rental company in Amsterdam. With over 2,500 bikes (store) in our five rental shops at strategic locations, we make sure there is always bike available for you. We offer the newest bicycles in a wide (vary), including (base) bikes with hand brake and gears (排挡), bikes with child seats, and children’s bikes. When John Todd was a child, he loved to explore the woods around his house, (observe) how nature solved problems. A dirty stream, for example, often became clear after flowing through plants and along rocks tiny creatures lived. When he got older, John started to wonder if this process could (use) to clean up the messes people were making. With the right (combine) of animals and plants, he figured, maybe he could clean up waste the way nature did. The task John set for himself was to remove (harm) substances from some sludge (污泥). First, he constructed a series of clear fiberglass tanks (connect) to each other. Little by little, these different kinds of life got used to one another and formed (they) own ecosystem. The plants and animals in the eco-machine took the sludge (淤泥) food and began to eat it! Over the years, John (take) on many big jobs. He developed a greenhouse-like facility treated sewage (污水) from 1,600 homes in South Burlington. The goal of this book is to make the case for digital minimalism, including a detailed (explore) of what it asks and why it works, and then to teach you how (adopt) this philosophy if you decide it’s right for you. In part one, I describe the philosophical foundations of digital minimalism, starting with examination of the forces that are making so many people’s digital lives (increase) intolerable, before moving on to a detailed discussion of the digital minimalism philosophy. This process requires you to step away from optional online (activity) for thirty days. In doing so, I’ll draw on an experiment I ran in 2018 in which over 1,600 people agreed (perform) a digital declutter. The second part of this book takes closer look at some ideas that will help you cultivate (培养) a sustainable digital minimalism lifestyle. In these chapters, I examine issues such as the (important) of solitude (独处) and the necessity of cultivating high-quality leisure to replace the time most now spend on mindless device use. Each chapter (conclude) with a collection of practices, which are designed to help you act on the big ideas of the chapter. You can view these practices as a toolbox meant (aid) your efforts to build a minimalist lifestyle that words for your particular circumstances. On March 7, 1907, the English statistician Francis Galton published a paper which illustrated has come to be known as the “wisdom of crowds” effect. This effect capitalizes on the fact when people make err ... ...
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