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。
2017届高考英语一轮复习课时作业8:Unit 3《Computers]》(人教版必修2湖北专用)
2017届高三英语一轮复习课时作业6:Unit 1《Cultural relics》(新人教版必修2)
2017届高考英语一轮复习课时作业17:Unit 2《Working the land》(人教版必修4湖北专用)
2017届高考英语一轮复习课时作业16:Unit 1《Women of achievement》(人教版必修4湖北专用)
2017届高三英语一轮复习课时作业41:语法专练一之名词
2017届高三英语人教版综合能力测试七
2017届高三英语一轮复习课时作业53:语法专练十二之连词和状语从句
2017届高考英语一轮复习课时作业21:Unit 1《Great scientists》(人教版必修5湖北专用)
2017届高三英语一轮复习课时作业42:语法专练二之冠词
2017届高三英语一轮复习课时作业49:语法专练九之情态动词和虚拟语气
2017届高考英语一轮复习课时作业13:Unit 3《The Million Pound Bank Note》(人教版必修3湖北专用)
2017届高考英语一轮复习课时作业22:Unit 2《The United Kingdom》(人教版必修5湖北专用)
2017届高考英语一轮复习课时作业15:Unit 5《Canada—“The True North”》(人教版必修3湖北专用)
2017届高三英语一轮复习课时作业55:语法专练十五之交际用语
中国研制载客无人机将在迪拜投入运营
2017届高考英语一轮复习课时作业7:Unit 2《The Olympic Games》(人教版必修2湖北专用)
2017届高三英语一轮复习课时作业54:语法专练十四之主谓一致
2017届高三英语一轮复习课时作业44:语法专练四之形容词与副词
2017届高三英语一轮复习课时作业4:Unit 4《Earthquakes》(新人教版必修1)
2017届高三英语人教版综合能力测试三
2017届高三英语一轮复习课时作业51:语法专练十一之名词性从句
2017届高三英语一轮复习课时作业5:Unit5 《Nelson Mandela—a modern hero》(新人教版必修1)
2017届高三英语人教版综合能力测试四
2017届高三英语一轮复习课时作业46:语法专练六之动词及动词短语
2017届高考英语一轮复习课时作业26:Unit 1《Art》(人教版选修6湖北专用)
2017届高三英语一轮复习课时作业48:语法专练八之非谓语动词
2017届高考英语一轮复习课时作业11:Unit 1《Festivals around the world》(人教版必修3湖北专用)
2017届高三英语一轮复习课时作业7:Unit 2《The Olympic Games》(新人教版必修2)
2017届高三英语人教版综合能力测试五
2017届高三英语一轮复习课时作业3:Unit 3《Travel journa》(新人教版必修1)
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