考博英语50句-每天记一点总有收获-（1 ）

1、In the early in industrialized countries of Europe the process of industria lization-with all the far-reaching changes in social patterns that followed-was spread over nearly a century,whereas nowadays a developing nation may undergo the same process in a decade or so

2、The American economic system is organized around a basically private enter p rise,market oriented economy in which consumers largely determine what shall be produced by spending their money in the marketplace for those goods and services that they want most

3、Pollution is caused either by man′s release of completely new and often ar tificial substances into the environment,or by releasing greatly increased amounts of a natural substance,such as oil from oil tankers into the sea.

4、The kinds of evidence for the roundness of the world that led finally to it s general acceptance included such data as the shape of the shadow of the earth on the moon during an eclipse of the moon,the fact that as one sails from port on a ship the building of the port gradually seem to sink below the surface of the water,and,most convincing,the fact that it is possible to sail all around the wo rld and return to the starting point of the voyage .

5、Apart from the enormous outflow of funds from the oil?consuming countries, a more basic concern is the capability of the major exporters of crude oil to achieve a continuing production target roughly doubling output every ten years to meet the required oil demand if present trend continues.

6、Pollution and waste combine to be a problem everyone can help to solve by cut ting out unnessary buying,excess consumption and careless disposal of the produc ts we use in our daily lives.?

7、It is now possible to add or subtract two large numbers in one to two micro seconds,and to multiply or divide them in ten to twenty microseconds,so that a computer can perform as much arithmetic in a quarter of an hour as an efficient clerk with pencil and paper might reasonably hope to achieve in a lifetime.

8、The implications of this line of reasoning are inescapable:the movement of traffic through the streets of a town cannot be understood without taking into account the activities which take place in the buildings which line them;to get at the roots of the traffic problem we must approach it through the social and e conomic factors which determine the ways in which activities and buildings are a rranged in our towns.

9、As the century developed,the increasing magnitude and complexity of the pr oblems to be solved and the growing interconnection of different disciplines ma de it impossible,in many cases,for the individual scientist to deal with the hug e mass of new data,techniques and equipment that were required for carrying out r esearch accurately and efficiently.?

10、But even today,in spite of the high standard of living which has become ge neral in the more fortunate West, the majority of people in the world still spe nd nearly all their time and energy in a near-ending struggle with nature to se cure the food and shelter they need.