高考英语作文说明文

1、说明文说明文往往围绕一个问题从不同的侧面来加以说明，通常结构严谨，句子结构复杂，因此也是高考完形填空中较难理解的一种文体。说明文一般有三类：一是实体事例说明文。包括说明书、广告、解说词、人物介绍、知识小品、知识注解等(实体事物是指国家、城市、人物、山水、树木、花草、虫鱼、鸟兽、建筑、文化古迹、科技成果及各种工农业产品)；二是事理说明文。包括理论性解释、文书简介、教材等(事理是指观点、立场、名词概念、学术流派等)；三是文艺性说明文。即把说明对象拟人化，进而编成故事，对其进行介绍。具体特点为：说明文往往较直白，写作脉络清晰，又没有很多感情因素的掺入，所以就不会有过多的情感词汇，自然不会有钻不出的“

2、迷宫”。据此特点，我们便可以跟着“整理”走，理清整篇文章的思路，从而顺利答题。2010·安徽改编 Most people give little thought to the pens they write with, especially since the printers in modern homes and offices mean that very few things are handwritten. All too often, people buy a pen based only on _1_ and wonder why they are not satisf

3、ied once they begin to use it. However, buying a pen that youll enjoy is not _2_ if you keep the following in mind.First of all, a pen should fit comfortably in your hand and be_3_ to use. The thickness of the pen is the most important characteristic(特征)_4_ comfort. Having a small hand and thick fin

4、gers, you may be comfortable with a thin pen. If you have a larger hand and thicker fingers, you may _5_ a fatter pen. The length of a pen can also influence comfort. A pen that is too _6_ can easily feel topheavy and unstable.Then, the writing point of the pen should _7_ the ink to flow evenly(均匀地)

5、 while the pen remains in touch with the paper. This will make it possible for you to create a _8_ line of writing. The point should also be sensitive enough to prevent ink from running when the pen is lifted. A point that does not block the _9_ may leave drops of inks, as you pick up and put it dow

6、n again._10_， the pen should make a thick，dark line. Fineline pens may _11_ bad handwriting, but fine, delicate lines do not command _12_ next to printed text, as, for example, a signature on a printed letter. A broader line, on the other hand, gives an impression of confidence and authority(权威)()1.

7、A.looksBreasons Cvalues Dadvantages()2.A.convenient Bpractical Cstrange Ddifficult ()3.A.heavy Beasy Chard Dsafe ()4.A.talking Bfinding Cdetermining Dseeking()5.A.prefer Brecommend Cprepare Ddemand()6.A.thick Blight Clong Dsoft()7.A.change Ballow Creduce Dpress()8.A.thin Brough Cblack Dsmooth()9.A.w

8、ay Bsight Cflow Dsteam ()10.A.Meanwhile BGenerally CAfterwards DFinally()11.A.show up Bdiffer from Cbreak down Daaapensate for()12.A.attention Bsupport Crespect Dadmission训练题Dear teachers and students, today I have important news to announce that our school will hold a Thanksgiving quiz competition

9、this month.Nearly 400 years ago, our forefathers explored this land and lived on it after experiencing unimaginable hardships. Because of their great _1_， life gets better and better. Its the culture that we should never _2_. Therefore, to maintain our forefathers tradition and bring you _3_ before

10、the Thanksgiving holiday, our school will hold this competition.This year the competition is based on an advanced waythe online quiz, which _4_ that the competition can be held within flexible time, with more contestants and more pleasure, but less pressure. Next, please allow me to give you some de

11、tailed _5_. _6_ we hold this competition by the means of making an online quiz, you can do the quiz on our schools Website anytime from November 23rd to 30th. This online quiz system _7_ hundreds of you to do the competition when you have time. Itll save you out of the _8_ between your academic work

12、 and the competition.This online Thanksgiving quiz competition will _9_ your knowledge from various aspects. Youll be tested on Thanksgivings history, custom, etc. Besides, every contestant will get the randomized(随机的) questions to avoid cheating. Finally, this is a competition with cool prizes for

13、top 50 winners. As for the score, you can know it _10_. Because its a selfgrading quiz, you can see your score once you finish the testing. The more amazing point is that the results can be ranked by the scores and top 50 winners can be _11_ shortly. It is quite _12_， isnt it? The exact name list of

14、 the winners will be declared on the website soon after the competition.Dear students, welcome to the competition based on the online Thanksgiving quiz. Wish you good luck!()1.A.ambitionsBefforts Cpreparations Dcongratulations()2.A.abuse Bdestroy Cdiscriminate Dforget()3.A.pleasure Bknowledge Cpromo

15、tion Dhope()4.A.demands Bindicates Cmeans Dagrees()5.A.analysis Binstruction Csuggestion Dregulation()6.A.Though BWhen CAfter DBecause()7.A.allows Badvises Cpromises Drequires()8.A.disorder Bdifference Cdilemma Ddistribution()9.A.use Bcheck Cenrich Dprove()10.A.suddenly Bgradually Cquickly Dimmediat

16、ely()11.A.picked up Bfigured out Cbrought up Ddepended on()12.A.beneficial Beffective Cefficient Dinteresting【文章大意】 本文主要介绍了感恩节测试竞赛的举办原因、举办方式(网上竞赛模式)及竞赛结果的胜者确定等。 1B根据上一句中的“experiencing unimaginable hardships”可判断此处指先辈们的努力使我们的生活越来越好。故选B。 2D根据上文“our school will hold a Thanksgiving quiz competition this

17、month”可知，我们举行感恩节测试竞赛就是为了纪念感恩节，即没有忘记感恩节。由此判断选D。3A根据下文“the competition can be held within flexible time, with more contestants and more pleasure”的提示可判断选A。 4C由语境可知，“which _4_ that the competition can be held within flexible time, with more contestants and more pleasure, but less pressure”是对“the online

18、quiz”的解释，故用means(意思是)。 5B根据下文是对此次感恩节测试竞赛的各事项的解释说明，故选B。6D根据前后的因果关系可判断选D。 7A网上测试系统准许成百的你们参与比赛，只要你们有时间。由此判断选A。 8C传统的比赛方式给师生造成了想参加比赛又怕影响学习的这种进退两难的选择，而网上竞赛方式避免了这种窘境，故选C。 9B比赛自然是从各方面检测学生对感恩节的了解，故选B。 10D由“you can see your score once you finish the testing”可推断你可以立刻知道成绩。故选D。11A由“this is a competition with cool prizes for top 50 winners”和“the results