71. People in prehistoric times created paints by grinding materials such as plants and clay into power and then adding water.
史前的人们制造颜料是将植物和泥土等原料磨成粉末,然后加水。
72. Often very annoying weeds, goldenrods crowd out less hardy plants and act as hosts to many insect pests.
黄菊花通常令人生厌,它挤走不那么顽强的植物,并找来很多害虫。
73. Starting around 7000 B.C., and for the next four thousand years, much of the Northern Hemisphere experienced temperatures warmer than at present.
大约从公元前七千年开始,在四千年当中,北半球的温度比现在高。
74. When Henry Ford first sought financial backing for making cars, the very notion of farmers and clerks owning automobiles was considered ridiculous.
当亨利.福特最初制造汽车为寻求资金支持时,农民和一般职员也能拥有汽车的想法被认为是可笑的。
75. Though once quite large, the population of the bald eagle across North America has drastically declined in the past forty years.
北美秃头鹰的数量一度很多,但在近四十年中全北美的秃头鹰数量急剧下降。
76. The beaver chews down trees to get food and material with which to build its home.
水獭啃倒树木,以便取食物并获得造窝的材料。
77. Poodles were once used as retrievers in duck hunting, but the American Kennel Club does not consider them sporting dogs because they are now primarily kept as pets.
长卷毛狗曾被用作猎鸭时叼回猎物的猎犬,但是美国Kennel Club却不承认它们为猎犬,因为它们现在大多数作为宠物饲养。
78. As a result of what is now know in physics and chemistry, scientists have been able to make important discoveries in biology and medicine.
物理学和化学的一个成果是使得科学家们能在生物学和医学上获得重大发现。
79. The practice of making excellent films based on rather obscure novels has been going on so long in the United States as to constitute a tradition.
根据默默无闻的小说制作优秀影片在美国由来已久,已经成为传统。
80. Since the consumer considers the best fruit to be that which is the most attractive, the grower must provide products that satisfy the discerning eye.
因为顾客认为最好的水果应该看起来也是最漂亮的,所以种植者必须提供能满足挑剔眼光的产品。
中考英语完型填空之答题技巧:精选巧选
九年级英语上动词时态练习
英语语法大全整本收录(七) 动词不定式
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九年级英语上词汇专项练习
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中考英语词汇练习后三册
九年级英语上完成句子专项练习
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八年级英语上单选专项练习一
英语语法大全整本收录(三) 代词
九年级英语句型转换专项二
八年级英语单项选择专项练习二
从词法和句法入手巧解短文改错题
冠词考向分析与考点训练
击重点句式链接中考考点(一)
英语语法大全整本收录(二) 冠词和数词
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英语语法大全整本收录(十三)句子的种类
八年级英语上重点词组练习
英语课外辅导:中考 V-ing 形式考点分析
英语中考语法(四)数词专题复习
中考英语精选真题讲解
英语中考语法(一)名词专题复习(2)
九年级英语句型转换专项一
中考英语词汇练习前三册
英语语法大全整本收录(五)动词
九年级英语完成句子专项练习
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