There was one thought that air pollution affected only the area immediately around large cities with factories and heavy automobile traffic. At present, we realize that although these are the areas wi
Students of United States history, seeking to identify the circumstances that encouraged the emergence of feminist movements, have thoroughly investigated the mid-nineteenth-century American economic
Certain animals have an intuitive awareness of quantities. They know without analysis the difference between a number of objects ands a smaller number. In his book The Natural History of Selbourne (17
When asked by its trainer how old it is, a monkey holds up five fingers.无论猴子的反应是什么样子，都只是一种反复训练之后的一种本能的反映。而不是真正的说出他
Kitchen DesignOver the years economic, social and technological factors have influenced the design of kitchens. Since it is often used simultaneously by both family members as well as guests, the kitc
Kitchen DesignOver the years economic, social and technological factors have influenced the design of kitchens. Since it is often used simultaneously by both family members as well as guests, the kitc
Three attitudes to life__1__. You may approach life with the philosophy of the vegetable, in which case your life will consist in being born, eating, drinking, sleeping mating, growing old, and dying.
Teamwork in TourismGrowing cooperation among branches of tourism has proved valuable to all concerned. Government bureaus, trade and travel associations, carriers and properties are all working togeth
2014年公共英语等级考试三级试题及答案汇总12014年公共英语等级考试三级试题及答案122014年公共英语等级考试三级试题及答案232014年公共英语等级考试
2014年公共英语三级模拟试题Part I Reading Comprehension (30%)Directions： There are three passages in this part. Each passage is followed by some questions or unfinished statements. For eac