61. Calculators prevent students from seeing this kind of natural structure and beauty in math. 计算器妨碍学生认识数学中这类自然结构和美。
62. If we don’t require students to do the simple problems that calculators can do, how can we expect them to solve the more complex problems that calculators cannot do? 如果我们不让学生做那些计算器能代劳的简单的运算, 又怎么能期待他们去解决计算器解决不了的更为复杂的问题呢？
63. Your parents are the people responsible for helping you make decisions until you’re 18. 父母是有责任帮助你在18岁之前做决定的人。
64. But he is too young to understand cheating won’t do him any good in the long run. 就长远而言, 他太小, 还不懂得欺骗会给他带来害处。
65. What sculpture is to a block of marble, education is to the soul. 教育之于心灵, 就如雕刻术之于大理石。
66. He began to study accounting at night sessions of the City University of New York, earning his tuition during the daytime. 他开始晚间在纽约城市大学学习会计，白天做工赚学费。
67. Those who educate children well are to be more honored than the parents, for the latter only give them life while the former teach them the art of living well. —Aristotle (Ancient Greece) 把儿童教育好的人们甚至应该比他们的父母更受尊敬，因为后者仅仅给予他们生命，前者却教给他们生活好的艺术。 ──（古希腊）亚里士多得68. The cloning of Dolly the sheep nearly 5 years ago raised the hopes of transplant scientists looking for an endless supply of lifesaving organs. 将近5年前,克隆羊多莉给寻求无穷无尽的救命器官供货的移植学家带来了希望。
69. I would (had) rather join you in research work than go on a holiday to the seaside. 我与其到海滨去度假，倒不如和你们一起参加科研工作。
70. The further that Joy dug into the cutting edge of research in the new technologies－robotics, genetic engineering and nanotechnology－the more horrified he became. 乔伊在机器人学、基因工程和纳米技术等新技术研究领域的前沿钻得越深, 就越感到恐惧。
71. What Henry Ford is to the automobile, George Eastman to photography, and Charles Goodyear to rubber, Edison is to not one but several of today’s essential technologies. 对当今不止一项而是多项重要技术的贡献, 就如同Henry Ford 对汽车、George Eastman 对摄影、Charles Goodyear 对橡胶的贡献一样大。
72. Very heavy objects or bulky materials like coal, cement, mineral ore, and the like, are weighed in tons. 非常重的物体或者像煤、水泥、矿石等堆积如山的原材料用吨计重。
73. By the end of this century, about 5,000 modern windmills will be in operation, generating about 20% of the electricity of the country. 到本世纪末, (荷兰) 将有5000架现代化的风车投入运行, 生产约全国20%的电力。
74. Agriculture will have to undergo a drastic change to meet the needs of the new situation. Otherwise, the country will starve. 农业必须进行深入的改革, 以满足新形势的需要。否则, 国家将遭受饥荒。
75. In the northern area, it is necessary to plant varieties which are outstandingly resistant to low winter temperature. 北部地区只能种植确实能抗冬季低温的品种。