2011雅思寫作必背200句實用句子三十六
176. As a popular saying goes, "everything has two sides." Now the public are benefiting more and more from scientific and technological inventions. On the other hand, the progress of science and technology is bringing us a lot of trouble. People in many countries are suffering from public hazards.
常言道：事情總是一分為二的。如今人們從科技發(fā)明中得到越來越多的好處。另一方面，科技進步也給我們帶來了許多麻煩。現(xiàn)在許多國家 的人民飽受公害之苦。
177. Let's take cars for example. They not only pollute the air in cities, but make them crowded. Furthermore, they are responsible for a lot of traffic accidents. The noise made by cars disturbs the residents living on both sides of streets all day and night.
就拿汽車為例。汽車不僅污染城市空氣，而且使城市擁擠不堪。此外，汽車造成許多交通事故。汽車所產(chǎn)生的噪音使居住在街道兩旁的居民日夜不得安寧。
178. It is generally believed that the chief reason for the increase in population in developed countries is not so much the rise in birth rates as the decline in death rates as a result of the improvement in medical care.
普遍認為，在發(fā)達國家人口增長的主要原因與其說是出生率的上升，還不如說是由于醫(yī)療保健的改善使死亡率下降了。
179. There is no doubt that the increase in demand caused the rise in prices.
毫無疑問，需求的增長導(dǎo)致了價格的上漲。
180. Additional social stresses may also occur because of the population explosion or problems arising from mass migration movements-themselves made relatively easy nowadays by modern means of transport.
由于人口的猛增或大量人口流動（現(xiàn)代交通工具使這種流動相對容易）引發(fā)的種種問題也會對社會造成新的壓力。
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