D．To show what the environment is like.

　　解析：选D　细节理解题。由第一段中的"The data that is collected is put onto a public website so citizens can find out what their city's atmosphere is like during the day."可知，收集到的数据会显示环境状况。

　　3．What did people think of the Copenhagen Wheel at the beginning?

　　A．They doubted it.

　　B．They welcomed it.

　　C．They were surprised by it.

　　D．They were uninterested in it.

　　解析：选B　推理判断题。由第二段中的"early feedback was very positive"可知，这款自行车刚展出的时候，得到了大家的认可，即大家是欢迎这款自行车的。

　　4．What's the main purpose of the Copenhagen Wheel project?

　　A．To improve public transportation.

　　B．To make steep road riding comfortable.

　　C．To encourage citizens to do more cycling.

　　D．To make citizens' riding safer than before.

　　解析：选C　推理判断题。由最后一段中的"The goal of the Copenhagen Wheel project is to promote cycling by lengthening ... cover."可知，实施该项目的目的是鼓励人们多骑车。

　　B

　　The United Kingdom is full of surprises for kids.Here are some of the really amazing places.

　　Hogwarts' Great Hall

　　Kids are sure to like exploring the Hogwarts' Great Hall at Warner Bros.Studio Tour.So take them to Leavesden, Hertfordshire and let them experience the making of Harry Potter.The studio is a perfect place for kids to feel the films and recall many famous scenes in the series of Harry Potter films.For fans, this place gives them the chance to explore the wonderful world of the boy wizard (男巫)．

　　Legoland Discovery Centre

　　Kids love exploring a Lego world.A trip to Legoland Discovery Centre in Manchester is sure to make kids smile from ear to ear.Famous landmarks (标志性建筑) made of Lego are the most popular part of the centre.Kids can take part in building workshops and themed activities.With a big pool of Lego bricks, being creative will come naturally to kids.

　　Chessington World of Adventures

If you want your kids to have the "Britain's Wildest Adventure"， take them to the Chessington World of Adventures in Chessington, Surrey and let them jump into the world of wildlife.Chessington World of Adventures Resort is a theme park that includes 10 themed lands, with each land designed to look like a place in the world.