看到这里,问题应该有答案了,就是因为C。而其它三个答案,根本就没出现在段落里。
3.看第二题:
2. What is the most important feature (特点、特征)of the backpack invented by Lawrence C. Rome and his colleagues(过去分词短语做定语,被。。。所发明的背包)?
A) It produces electricity for electronic devices(设施) while the wearer walks.
当背着它的人在行走时,它能为电子设施产生电流。
B) It can be used as cell phones, GPS in the military actions or field studies.
在军事行动中或在科学领域研究中,它能被用作手机电话、全球定位系统。
C) It is small and convenient. 它又小又方便。
D) It is light and easy to carry. 它轻而且容易携带。
题目的意思:由Lawrence和他的同事所发明的背包最重要的特征是什么?这是一道细节题。一起读第二段:
Lawrence C. Rome and his colleagues(同事们) from(来自于) the University of Pennsylvania(宾西法尼亚大学) in Philadelphia(费城) and the Marine Biological Laboratory in Woods Hole(美国马萨诸塞州的一个渔村,也是许多重要研究机构所在地), Mass(Massachusetts 的缩写:马萨诸塞州,美国东北部的一个州。)have invented(发明) a backpack that makes electricity from energy produced(定语从句,意思是:背包能够通过被产生的能量而发电) while its wearer walks. In military actions(在军事行动中), search-and-rescue(搜救) operations(行动), and scientific field studies(科学领域的研究), people increasingly(越来越)rely on (依赖)cell phones, global positioning system (全球定位系统) receivers(接收机), night-vision goggles(夜视镜), and other(其它的) battery-powered(以电池为动力的) devices(设施) to get around(四处活动) and do their work.. The backpacks electricity-generating(发电的,复合形容词,来自于:generate electricity) feature could dramatically reduce the amount (数量)of a wearers load(负重、重量) now devoted to(过去分词短语做定语,修饰load,表示被用于。。。) spare batteries(备用电池)(这句话的意思是:背包的发电的特征能够大大地减少过去用于携带备用电池所增加的重量), report(报告) Rome and his colleagues in the Sept. 9 Science(科学杂志,是国际上著名的自然科学综合类学术期刊,当年爱因斯坦的相对论就发表其上。).
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