大学英语四级选词填空专项训练题目 附答案
[C] appeal
[D] complaints
[E] contributions
[F] displayed
[G] essentially
[H] eventually
[I] extent
[J] indicates
[K] proceeds
[L] psychological
[M] raised
[N] smart
[O] standard
答案解析：
1. [M] raised raise在这里的意思是"养育"，the environment in which you were raised 意思是"你成长的环境"。
2. [L] psychological "psychological activity"意思是"心理活动"，全句意思是"研究基因和外部环境如何相互作用影响人心理活动的学科被称为行为遗传学"。
3. [E] contributions "make contributions to"为固定搭配，意为"为……做贡献"。
4. [A] abilities "ability to …"意思是"做某事的能力"，在此处，全句意思是"任何一篇宣称人类做出某种行为的能力是基于生物学的研究都是有争议的"。
5. [B] achieve "limitations to what you can achieve"意思是"对你所能达到的水平的限制"。
6. [N] smart 此处需填一个形容词，而且用来形容人，根据题意，smart符合题意，表示"机灵，可爱"。
7. [I] extent 此处填extent，主要是因为后面有to，"to the extent …"译为"……的程度"。
8. [J] indicates indicate 意思是"表明，显示"。全句意为"越来越多的科学(现象)表明基因对人类很多特征有基础作用"。
9. [G] essentially essentially 的意思是"实际上，本质上"。全句意为"从这个角度来讲，人一出生，本质上就像是还没洗出来的照片：相已经照了，但是最终会呈现多少就在于显影的过程了"。
10. [H] eventually eventually 副词，意思是"最终，最后"。
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 (基础设施) 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.
[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
答案解析：
1 growth 2 stable 3 challenges 4 certainly 5 role 6 combined 7 significant 8 included 9 comprise 10 solutions
【解析】这是一篇讨论能源资源的说明文，话题是考生比较熟悉的能源问题，不断增长的人口与可再生资源的矛盾该如何解决。文中指出能源的一些可替代形式 如生物能源、风能太阳能等可再生资源将在未来发挥越来越重要的作用。但是专家指出，即使这些资源储备量惊人，但是到2050年也只能满足世界30%的需求。文章最后两段探讨了各能源在市场上的需求，以及解决未来能源需求的其他方案。
总体来说，这篇文章理解难度不大，填空难度适中，所选词汇也都是四级考纲的词汇。选项较具有干扰项，多为c和s开头的单词，考生在考试时要特别注意。
[C] appeal
[D] complaints
[E] contributions
[F] displayed
[G] essentially
[H] eventually
[I] extent
[J] indicates
[K] proceeds
[L] psychological
[M] raised
[N] smart
[O] standard
答案解析：
1. [M] raised raise在这里的意思是"养育"，the environment in which you were raised 意思是"你成长的环境"。
2. [L] psychological "psychological activity"意思是"心理活动"，全句意思是"研究基因和外部环境如何相互作用影响人心理活动的学科被称为行为遗传学"。
3. [E] contributions "make contributions to"为固定搭配，意为"为……做贡献"。
4. [A] abilities "ability to …"意思是"做某事的能力"，在此处，全句意思是"任何一篇宣称人类做出某种行为的能力是基于生物学的研究都是有争议的"。
5. [B] achieve "limitations to what you can achieve"意思是"对你所能达到的水平的限制"。
6. [N] smart 此处需填一个形容词，而且用来形容人，根据题意，smart符合题意，表示"机灵，可爱"。
7. [I] extent 此处填extent，主要是因为后面有to，"to the extent …"译为"……的程度"。
8. [J] indicates indicate 意思是"表明，显示"。全句意为"越来越多的科学(现象)表明基因对人类很多特征有基础作用"。
9. [G] essentially essentially 的意思是"实际上，本质上"。全句意为"从这个角度来讲，人一出生，本质上就像是还没洗出来的照片：相已经照了，但是最终会呈现多少就在于显影的过程了"。
10. [H] eventually eventually 副词，意思是"最终，最后"。