标签:四级短文 相关文章
14 A Rare Fossil Record The preservation of embryos and juveniles is a rate occurrence in the fossil record. The tiny, delicate skeletons are usually scattered by scavengers or destroyed by weathering before they can be fossilized. Ichthyosaurs had
17.Evolution of sleep Sleep is very ancient. In the electroencephalographic sense we share it with all the primates and almost all the other mammals and birds: it may extend back as far as the reptiles. There is some evidence that the two types of s
03 The Definition of Price Prices determine how resources are to be used. They are also the means by which products and services that are in limited supply are rationed among buyers. The price system of the United States is a complex network compose
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42.Coal-fired power plants The invention of the incandescent light bulb by Thomas A. Edison in 1879 created a demand for a cheap, readily available fuel with which to generate large amounts of electric power. Coal seemed to fit the bill, and it fuel
40 Cohesion-tension Theory Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. Until the end of the ni
44.Obtaining Fresh water from icebergs The concept of obtaining fresh water from icebergs that are towed to populated areas and arid regions of the world was once treated as a joke more appropriate to cartoons than real life. But now it is being con
18.Modern American Universities Before the 1850s, the United States had a number of small colleges, most of them dating from colonial days. They were small, church connected institutions whose primary concern was to shape the moral character of thei
21 The Origin of Sports When did sport begin? If sport is, in essence, play, the claim might be made that sport is much older than humankind, for , as we all have observed, the beasts play. Dogs and cats wrestle and play ball games. Fishes and birds
20 The Historical Significance of American Revolution The ways of history are so intricate and the motivations of human actions so complex that it is always hazardous to attempt to represent events covering a number of years, a multiplicity of perso
26. International Business and Cross-cultural Communication The increase in international business and in foreign investment has created a need for executives with knowledge of foreign languages and skills in cross-cultural communication. Americans,
25. Movie Music Accustomed though we are to speaking of the films made before 1927 as silent, the film has never been, in the full sense of the word, silent. From the very beginning, music was regarded as an indispensable accompaniment; when the Lum
四级考试还有一个月左右时间,那剩下这段时间如何高效备考四级呢?下面就跟小编一起看看各方面都还有哪些提升空间吧,不要灰心还有时间。 如果你的目标不是冲刺满分,而是在尽可能在
四级阅读对我们来说有很多问题,很多人会说时间紧任务重,根本没时间选出正确答案时间就过去了,那我们应该如何应对这个题型呢?下面7个问答帮你解开所有疑问。 问题1:效率不足 最初
[00:05.32]astronomer:n.天文学家 [00:07.41]atom:n.原子;微粒 [00:09.19]atomic:a.原子的,原子能的 [00:11.09]audio:a.听觉的,声音的 [00:13.03]automobile:n.(美)汽车,机动车 [00:15.09]awareness:n.察觉,觉悟,意识 [00
[00:05.32]garbage:n.垃圾,废物,废料 [00:07.31]gasoline:n.(美)汽油 [00:09.42]geometry:n.几何,几何学 [00:11.43]glory:n.光荣,荣誉 [00:13.36]grammar:n.语法,语法书 [00:15.30]graph:n.曲线图,图表 [00:17.12]grave:n.坟墓
[00:05.32]kilo:n.千克,公斤 [00:07.20]kindergarten:n.幼儿园 [00:09.34]laundry:n.洗衣房,洗衣店 [00:11.49]luggage:n.行李;皮箱,皮包 [00:13.57]magic:n.魔法,巫术;戏法 [00:15.61]magnet:n.磁铁,磁体;有吸引力的人
[00:05.32]wisdom:n.智慧,才智;名言 [00:07.23]youngster:n.青年,年轻人,孩子 [00:09.27]AIDS:n.艾滋病 [00:11.28]alcohol:n.酒,酒精,乙醇 [00:13.36]alphabet:n.字母表 [00:15.48]anchor:n.锚;v.抛锚,停泊 [00:17.39]att
[00:05.32]senate:n.参议院,上院 [00:07.18]senator:n.参议员 [00:09.14]series:n.连续,系列;丛书 [00:11.17]shed:vt.流出,散发,脱落;n.棚,小屋 [00:13.03]shell:n.壳,贝壳;炮弹 [00:14.88]similarly:ad.类似地,相似
单词 单词是文章的细胞,是理解的基础。但是,单词却是很多四级考生的最主要问题。单词应当怎么背?背什么单词书?在迷茫中,同学们买了很多的单词书,背 这背那,结果发现单词仍旧是