【官方真题Official托福阅读】官方真题Official3托福阅读词汇真题练习——integral&variable
- 2015年11月19日13:40 来源：小站整理
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在托福阅读备考过程中，词汇题是阅读题中必考的一个部分，而想要成功答对所有词汇题，并非仅从词汇量一个方面入手就可以。那么，在以下方面，我们就为大家带来一些官方真题Official中的经典词汇题，大家不妨来练习一下吧。
Paragraph 4: Even development in architecture has been the result of major technological changes. Materials and methods of construction are integral parts of the design of architecture structures. In earlier times it was necessary to design structural systems suitable for the materials that were available, such as wood, stone, brick. Today technology has progressed to the point where it is possible to invent new building materials to suit the type of structure desired. Enormous changes in materials and techniques of construction within the last few generations have made it possible to enclose space with much greater ease and speed and with a minimum of material. Progress in this area can be measured by the difference in weight between buildings built now and those of comparable size built one hundred years ago. 【官方真题Official3- Architecture】
6. The word “integral” is closest in meaning to
○essential
○variable
○practical
○independent
答案： (1)
