1. Typical of the grassland dwellers of the continent is the American antelope, or pronghorn. 美洲羚羊,或称叉角羚,是该大陆经典草原动物。 2. Of the millions who saw Haley’s comet in 1986, how many people will live long enough to see it return in the twenty-first century. 1986年看见哈雷慧星千百万人当中,有多少人能够长寿到足以目睹它在二十一世纪回归呢? 3. Anthropologists have discovered that fear, happiness, sadness, and surprise are universally reflected in facial ,恐惧,愉快,悲伤和惊奇全部会行之于色,这在全人类是共通。 4. Because of its irritating effect on humans, the use of phenol as a general antiseptic has been largely discontinued. 因为苯酚对人体带有刺激性作用,它基础上已不再被看成常见防腐剂了。 5. In group to remain in existence, a profit-making organization must, in the long run, produce something consumers consider useful or ,最终全部必需生产出消费者可用或需要产品。 6. The greater the population there is in a locality, the greater the need there is for water, transportation, and disposal of refuse. 一个地方人口越多,其对水,交通和垃圾处理需求就会越大。 7. It is more difficult to write simply, directly, and effectively than to employ flowery but vague expressions that only obscure one’s meaning. 简明,直接,有力写作难于花哨,含混而意义模糊表示。 8. With modern offices becoming more mechanized, designers are attempting to personalize them with warmer, less severe interiors. 伴随现代办公室日益自动化,设计师们正试图利用较为温暖而不太严厉内部装饰来使