题干

要“提高全民族文明素质,为现代化建设提供有力的思想保证、精神动力和智力支持”,从文化建设的角度应当(   )

A:拓展群众性精神文明创建活动

B:倡导和践行传统文化的价值观

C:优先提高公民的科学文化修养

D:改造腐朽文化并取缔落后文化

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答案(点此获取答案解析)

A

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Tips for Cycle Trips

       Cycling has many advantages as a form of travel, as it is the fastest way to travel by human power and slow enough to allow the type of local involvement that is impossible with powered travel.Cycle travel is a cheap form of transportation.

       Distance

      On level terrain(地形),without a headwind, a cyclist of average fitness on a touring bike can comfortably cover 60­120km a day.Distances of up to 250km a day are possible, but anything much beyond 120km will require considerable physical tension and not allow many stops to enjoy the places you visit.For many,80­100km a day will be the most suitable distance to aim for, as it will give a sense of achievement and also leave plenty of time for meals and activities.

       Geography

       The gradient(坡度)of the trip will reduce your range.A basic rule is that for every 100 meters of altitude you climb, you should add an extra 15 minutes to your journey time.In hilly or mountainous areas, the easiest routes for cycling are downstream along major rivers, as overall they will be downhill.A long, roundabout route along a river will usually be easier than a short, direct route over a hill or mountain pass.However, it is worth bearing in mind that the most scenic routes often come from hilly terrain.

      Eat

      Food choice depends largely on where you are, so see the respective sections for more information about foods. As you will be working hard, it's important to get enough energy in your food. On long trips away from major towns­there may be little quality food available, so be prepared to live on candy bars, prepared meat products and the like if the need arises.

      Sleep

      While you can take a tent with you, many hotels and especially campsites can accommodate cyclists. However, there are also some hotels that may be less used to accommodating cyclists. If you are exploring an unfamiliar world asking about the accommodation spares you the search for a new place to stay after a long exhausting day of travel.