官方真題Official6托福閱讀詞匯真題練習——retained&maintained
- 2015年12月10日11:10 來源：小站整理
- 參與（3） 閱讀（4927）
在托福閱讀備考中，想要快速的提升自己的托福閱讀能力，除了不斷的累積自己的詞匯和句型之外，從官方真題Official練習入手也不失為一個不錯的方法。那么，在以下內容中我們就為大家帶來官方真題Official6托福閱讀詞匯，希望能為大家托福閱讀備考帶來幫助。
Paragraph 4: By 1800 more than a thousand steam engines were in use in the British Isles, and Britain retained a virtual monopoly on steam engine production until the 1830s. Steam power did not merely spin cotton and roll iron; early in the new century, it also multiplied ten times over the amount of paper that a single worker could produce in a day. At the same time, operators of the first printing presses run by steam rather than by hand found it possible to produce a thousand pages in an hour rather than thirty. Steam also promised to eliminate a transportation problem not fully solved by either canal boats or turnpikes. Boats could carry heavy weights, but canals could not cross hilly terrain; turnpikes could cross the hills, but the roadbeds could not stand up under great weights. These problems needed still another solution, and the ingredients for it lay close at hand. In some industrial regions, heavily laden wagons, with flanged wheels, were being hauled by horses along metal rails; and the stationary steam engine was puffing in the factory and mine. Another generation passed before inventors succeeded in combining these ingredients, by putting the engine on wheels and the wheels on the rails, so as to provide a machine to take the place of the horse. Thus the railroad age sprang from what had already happened in the eighteenth century. 【官方真題Official6-Powering the Industrial Revolution】
9. The word “retained” in the passage is closest in meaning to
○gained
○established
○profited from
○maintained
答案：(4)
