四級選詞填空試題練習附答案解析

　　英語四級考試改革後，選詞填空是出現的新題型之一，成為不少考生在英語四級考試中失分嚴重的題型。下面小編為大家帶來英語，歡迎各位考生參考練習。

　　四級選詞填空試題練習原文

　　With the world's population estimated to grow from six to nine billion by 2050, researchers. businesses and governments are already dealing with the impact this increase will have on everything from food and water to infrastructure ***基礎設施*** and jobs. Underling all this __1__ will be the demand for energy, which is expected to double over the next 40 years.

　　Finding the resources to meet this demand in a __2__. sustainable way is the cornerstone ***基石*** of our nation's energy security, and will be one of the major __3__ of the 21st century. Alternative forms of energy- bio-fuels, wind and solar, to name a few are __4__ being funded and developed, and will play a growing __5__ in the world's energy supply. But experts say that even when __6__, alternative energy sources will likely meet only about 30% of the world's energy needs by 2050.

　　For example, even with __7__ investments, such as the $93 million for wind energy development __8__ in the American Recovery and Reinvestment Act, important alternative energy sources such as wind and bio-fuels __9__ only about 1% of the market today.

　　Energy and sustainability experts say the answer to our future energy needs will likely come from a lot of __10__ both traditional and alternative.

　　四級選詞填空試題練習選項

　　[A] stable

　　[B] solutions

　　[C] significant

　　[D] role

　　[E] progress

　　[F] marvelous

　　[G] included

　　[H]growth

　　[I] exactly

　　[J] consist

　　[K] comprise

　　[L] competitions

　　[M] combined

　　[N] challenges

　　[O] certainly

　　四級選詞填空試題練習答案

　　1 growth

　　2 stable

　　3 challenges

　　4 certainly

　　5 role

　　6 combined

　　7 significant

　　8 included

　　9 comprise

　　10 solutions

　　【解析】這是一篇討論能源資源的說明文，話題是考生比較熟悉的能源問題，不斷增長的人口與可再生資源的矛盾該如何解決。文中指出能源的一些可替代形式 如生物能源、風能太陽能等可再生資源將在未來發揮越來越重要的作用。但是專家指出，即使這些資源儲備量驚人，但是到2050年也只能滿足世界30%的需求。文章最後兩段探討了各能源在市場上的需求，以及解決未來能源需求的其他方案。