ich is；one of…..结构后面应该接特指的范围，必须加the，所以C错。
参考译文：乳糖，是在牛奶中出现的一种糖，在给婴儿准备的食物中用的一种简单糖类。
65. Jackson, Michigan, a city who was settled in 1829, was named for Andrew Jackson, the seventh President of the United States.
答案：B。whoàwhich
分析：定语从句连词的误用。
参考译文：密西根首府Jackson，于1829年定址，是以美国第七届总统Andrew Jackson的名字命名的。
66. Boulder, Colorado, is only city in the United States that derives its water supply from a glacier.
答案：A。is onlyà is the only
分析：定冠词使用。
参考译文：科罗拉多州的Boulder是美国唯一的从一处冰川获得供水的城市。
67. Construction of first skyscraper began in Chicago in 1883 with the ten-story Home Insurance Building.
答案：B。of firstàof the first
分析：定冠词的使用。最高级前加the
参考译文：最早的高楼建筑1883年出现在芝加哥，是一幢10层的家庭保险大楼。
68. The Mississippi riverboat, which evolved from simpler steamship of the early 1800’s, became the dominant form of passenger transport on the Mississippi River.
答案： steamshipàsteamships
分析：单数可数名词不能单独出现。需要注意的是，transport这里作名词，有“运输工具”的意思
参考译文：密西西比河船，在1800从简单的汽船演变过来，成为密西西比河上重要的旅客交通形式。
69. Modern stringed instruments comprise both instruments of ancient origin, such as the harp, and the developed recently family of bowed instruments that includes the violin.
答案：D。developed recentlyàrecently developed
分析：词序颠倒。
参考译文：现代弦乐乐器不仅包含有源于古代的乐器，如竖琴，也有最近发展的包括小提琴的弓形乐器。
70. Stars provided early astronomer with a reference system for measuring the motions of planets, the Moon, and the Sun.
答案：Aàastronomers
分析及考点：可数名词单数单独出现，一般都错。
参考译文：天上的星星给早期天文学家提供了一个参照系统来测量行星、月亮和太阳的移动。
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71. The coal industry is important to every industrial nations because most other industries are directly or indirectly dependent on it.
答案：A
分析及考点：同样表示每个，所有，every应该跟名词单数，而nations是复数，应该改成all
参考译文：煤矿工业对所有国家来说都是重要的，因为大多数其他工业都直接或间接的依赖它。
72. The brightly colored kingfisher that perches until it sights a fish, then dives into the water to catch its prey.
答案：B
分析及考点：先看主谓宾，then连接两个句子。所以that perches实际不成立定语从句，应该把that去掉。
参考译文：具有光亮颜色的翠鸟栖息在高处，直到它看到鱼，它就会扎进水里把猎物抓住。
73. Neptune circles the Sun once every 164.8 Earth years, and its day --- one rotation its axis --- is 15.8 hours.
答案：C>rotation around its axis
分析及考点：C的错误比较明显，B（every）的这种用法应记住，很容易被迷惑。
参考译文：
74. Observable comets are occasionally attracted toward the inner Solar System by the fields gravitational of nearby stars and giant molecular clouds.
答案：C
分析及考点：次序颠倒。应改为gravitational fields，重力场。
参考译文：可以观测的的彗星偶尔会受到附近星星和巨大的星云的重力场作用而吸引到太阳系内部来。
75. A s
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