【正文】
ng china 39。 s cities . but people who favor the influx of the cheap labor force , on the other hand , maintain that migrants are needed to support the massive urban infrastructure construction program . 4. it is widely acknowledged that extensive deforestation contributed to heavy summer flooding . experts argue that china must introduce a massive afforestation program . but i doubt whether afforestation alone will solve the problem . 5. most people are of the opinion that wealth provides solutions to all problems . but in spite of the material benefits wealth provides , i believe one should abandon the pursuit of materialism and instead concentrate on the pursuit of happiness.第 4 頁(yè) 共 4 頁(yè)