[填空题]"Avoid the rush hour" must be the slogan of large cities the world over. If it is, it’s a{{U}} (36) {{/U}}no one takes the least notice of. Twice a day, with{{U}} (37) {{/U}}regularity, the pot boils over. Wherever you look, it’s people, people, people. The trains which leave or arrive every few minutes are packed: an endless{{U}} (38) {{/U}}of human sardine tins. The streets are so{{U}} (39) {{/U}}, there is hardly room to move on the{{U}} (40) {{/U}}. The queues for buses reach{{U}} (41) {{/U}}proportions. It takes ages for a bus to get to you because the traffic on the roads has{{U}} (42) {{/U}}come to a{{U}} (43) {{/U}}. Large modern cities are too big to control. They condition the lifestyle of the people .who inhabit them.{{U}} (44) {{/U}}. They lose touch with the land and rhythm of nature.{{U}} (45) {{/U}}. A few flowers in a public park (if you have the time to visit it) may remind you that it is spring or summer.{{U}} (46) {{/U}}. Beyond that, what i