Standard usage includes those words and expressions understood, used, and accepted by a majority of the speakers of a language in any situation regardless of the level of formality. As such, these words and expressions are well defined and listed in

发表于:2018-12-04 / 阅读(139) / 评论(0) 分类 考研背诵50篇

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 composed of the prices of all the p

发表于:2018-12-04 / 阅读(38) / 评论(0) 分类 考研背诵50篇

There are many theories about the beginning of drama in ancient Greece. The on most widely accepted today is based on the assumption that drama evolved from ritual. The argument for this view goes as follows. In the beginning, human beings viewed the

发表于:2018-12-04 / 阅读(47) / 评论(0) 分类 考研背诵50篇

It is commonly believed in United States that school is where people go to get an education. Nevertheless, it has been said that today children interrupt their education to go to school. The distinction between schooling and education implied by this

发表于:2018-12-04 / 阅读(53) / 评论(0) 分类 考研背诵50篇

Andrew Carnegie, known as the King of Steel, built the steel industry in the United States, and , in the process, became one of the wealthiest men in America. His success resulted in part from his ability to sell the product and in part from his poli

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Before the 1930's ,workers were only paid as long as they were smart [00:05.69]If they were smart enough not to be ill,they were pai [00:10.06]If they were smart enough not to by injured,they were pai [00:13.66]And if they were very smart,they would

发表于:2018-12-04 / 阅读(139) / 评论(0) 分类 考研英语听力基本功4

A new device is helping computers provide great amounts of informatio [00:27.35]The device is the compact disc or C [00:43.02]It was invented several years ag [00:57.50]to replace music records made of plasti [01:13.67]A CD is played on a machine tha

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Ladies and gentleme [00:08.91]we are arriving at the scenic spot now [00:26.04]and there are a few things you need to remembe [00:43.76]First,remove all valuables from the coa [01:01.49]because we can't guarantee their safet [01:17.74]Second,note the

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The best way to find a book in the librar [00:16.46]is to use the card catalogu [00:27.53]The catalogue is an index of all the book [00:46.24]All the cards are filed alphabeticall [01:01.20]and storied in drawers in large cabinet [01:16.04]There are

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A folk culture is a small isolated, cohesive, conservative, nearly self-sufficient group that is homogeneous in custom and race with a strong family or clan structure and highly developed rituals. Order is maintained through sanctions based in the re

发表于:2018-12-30 / 阅读(55) / 评论(0) 分类 考研背诵50篇

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are us

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Sleet is part of a person's daily activity cycle. There are several different stages of sleep, and they too occur in cycles. If you are an average sleeper, your sleep cycle is as follows. When you fist drift off into slumber, your eyes will roll abou

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By the mid-nineteenth century, the term icebox had entered the American language, but ice was still only beginning to affect the diet of ordinary citizens in the United States . The ice trade grew with the growth of cities. Ice was used in hotels, ta

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If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic salinity. One of these is the

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An important new industry, oil refining, grew after the Civil war. Crude oil, or petroleum a dark, thick ooze from the earth had been known for hundreds of years, but little use had ever been made of it. In the 1850 s Samuel M. Kier, a manufacturer i

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In the oysters were raised in much the same way as dirt farmers raised tomatoes- by transplanting them. First, farmers selected the oyster bed, cleared the bottom of old shells and other debris, then scattered clean shells about. Next, they planted f

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Telecommuting-- substituting the computer for the trip to the job ----has been hailed as a solution to all kinds of problems related to office work. For workers it promises freedom from the office, less time wasted in traffic, and help with child-car

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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 dance. The apes have sim

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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 sleep, dreaming and drea

发表于:2018-12-30 / 阅读(107) / 评论(0) 分类 考研背诵50篇

The United States is a land of immigrant [00:20.87]The immigrants brought many different styles of food with the [00:41.74]That's why you can find almost every kind of food in Americ [01:04.89]In some case [01:13.04]Americans have adopted foods from

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