大学英语四六级阅读理解主旨题名师深解_大学英语阅读

大学英语四六级阅读理解主旨题名师深解

　　Computers are not the magical workers that some people say they are. They make mistakes, theyre sometimes slower than human beings and theyre easily fooled. The US used to conscript people with the help of a computer. The army sent out a card, which had to be filled in and sent back. It was easy to avoid being called up simply by spreading candle-waxon on the card. The computer couldnt read the card and did nothing with it.

　　Its in our everyday life that computers cause many problems. Lets get back to using people instead of computers, before a mistake that we cant put right.

　　The writers main idea is __________.

　　A wed better use people instead of computers in our everyday life.

　　B we should not use computers because they always make mistakes

　　C computers are widely used in our everyday life

　　D if we want to work well, dont use the computers.

　　10 During the early years of this century, wheat was seen as the very lifeblood of Western Canada. When the crops were good, the economy on city streets watched the yields and the price of wheat with almost as much felling as if they were growers. The marketing of wheat became an increasingly favorite topic of conversation.

　　War set the stage for the most dramatic events in marketing the western crop. For years, farmers mistrusted speculative grain selling as carried on through the Winnipeg Grain Exchange. Wheat prices were generally low in the autumn, but farmers could not wait for markets to improve. It had happened too often that they sold their wheat soon after harvest when farm debts were coming due, only to see prices rising and speculators getting rich. On various occasions, producer groups asked for farmer controls, but governments had no wish to become involved, at least not until wartime wheat prices threatened to run wild.