如图所示，用滑轮组将重为900N的物体匀速提升2m，下面说法不正确的是（）

该图为我国某城市发展过程中1990年和2010年比较图。

    Fred is a bus driver. He always drives the number 14 bus. Fred's bus goes 1the shopping mall on High Street to the park on Queen Street, then 2to the shopping mall. Fred3work at six o' clock every morning.4 bus leaves the shopping mall at ten past six. Fred is sometimes5 to work. When he is early, he sits in his bus and6the newspaper until it's time to go. Fred always stops for 7on the bus because he has to finish work at three o'clock in the afternoon. He doesn't go home by bus. He 8 ! He thinks it's really good for his health. Fred loved his 9 because he can meet different people every day. And he is very10. So the people who travel on Fred's bus like Fred very much.

工业生产包括开采____，以及对原材料进行____和再加工。

2012年7月27日-8月12日，第30届夏季奥运会在英国伦敦举行。读图，回答下面小题