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1、2010年12月英语四六级考试阅读提高练习(7)3200字 阅读理解在大学英语四级考试中占有很大比重，提高阅读速度和效率是决胜英语四级考试阅读理解题的关键。为了帮助广大考生有效提高阅读速度，毕业特整理了以下资料，供考生复习。 In the last two hundred years there have been great changes in the method of production of goods. This is now also true of the building industry; for mechanization has been introduced. Sy
2、stem building can save both time and money. The principle of system building is that the building is made from a set of standard units. These are either made at the building-site or at a factory. Some designers, in fact, are standardizing the dimensions of rooms. They are made in multiples of a sing
3、le fixed length, usually ten centimeters. This is called a modular (标准件的) system, and it means that manufactures can produce standardized fittings at a lower cost. The most important fact about system building is its speed. A ten-storey flat, for example, can be completed in four months.There are se
4、veral new methods of system building. One is the panel method. In this case, the construction company sometimes erects a factory on the site. The walls and floors of the building, called panels, are cast in a horizontal or vertical position. Conduits for electrical wires and sleeves for pipes are ca
5、st in the panels when they are being made. The moulds for making these castings are situated all around the building. After the concrete panels are cast, they are allowed to set and harden for a week. Next they are lifted by a tower crane on to any section of the building. There the panels are cemen
6、ted together at their joints and the floor covering is laid. /After the panels have been cemented together, the crane lifts a case into the area. It contains all the fittings to be installed, such as wash-basins, radiators and pipes. Finishing tradesmen, such as plumbers, plasterers, painters and el
7、ectricians, follow behind to complete the work.In some building developments, in some countries, whole flats with internal features like their bathrooms, bedrooms and connecting stairs, and weighing as much as twenty tons, are carried to the building-site ready-made. A giant overhead crane is used t
8、o lift them into position. In the future, this method may become more widespread. 毕业1. The main difference between panel method and the method discussed in the last paragraph is_. 作文 /A. the latter uses ready-made internal features 作文 / B. panels are cast in a level positionC. the former is used to
9、build walls and floors while the latter to construct bathrooms or bedroomsD. the former is more expensive than the latter2. Which of these statements is TRUE of system building? /A. It employs more men. B. It is difficult and dangerous.C. It can save both time and money. D. It means less mechanizati
10、on.3. According to the passage, the principle of system building is that_.A. construction methods are safer /B. buildings are made from a set of standardized unitsC. similar buildings can be produced /D. all units are produced on the site4. The usual fixed length in the modular system is_. / A. twenty centimeters B. ten millimetersC. fifty centimeters D. ten centimeters5. What lifts the concrete panels onto the building?A. Cranes. B. Man-power. 作文 /C. Pulleys. D. Hydraulic jacks.1. A 2. C 3. B 4. D 5. A
