目前许多地方推行公共自行车政策，此举措给民众出行带来了便利，同时也可以减少（　　）

要使式子$\sqrt{2x-5}$在实数范围内有意义，则x应满足（      ）

    I am ____  (计划)to travel from London to Amsterdam. There are four ways to travel.

    A ____ (旅程) by train is more relaxing ____ by coach, but a lot more expensive.

    You can go by car and by ship across the North Sea. This is the ____comfortable way to travel. ____(停车) in Amsterdam is very expensive, so stay outside the city centre and travel in by bus or by train.

    The____(three) choice is by coach. This is usually the ____(cheap), but in summer the coaches sometimes get ____(拥挤的)! And it ____(花费)you about twelve hours to get there.

    Finally, you can fly. It is the fastest, but you may have to wait for ____(小时 )at the airport because of bad weather.