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8.Because  phones have caused many problems,many headteachers have ordered that pupils keep their phones switched off at school.Others have told pupils to leave them at home.However,Dr.Elizabeth Hartnell-Young at University of Nottingham believes it is time that phone bans were reassessed,because mobile phones can be a powerful learning aid,they said.
"At the start of the study,even pupils were often surprised at the thought that mobile phones could be used for learning,"Dr.Hartnell-Young said."After their hands-on experience,almost all pupils said they had enjoyed the project and felt more motivated."Some teachers also had to reassess their views."Using this technology gives them more freedom to express themselves without needing to be constantly supervised (管理)."one said.
    Other teachers found that pupils who lacked confidence gained most from the project.However,they recognized that greater use of mobile phones in schools could prove problematical.Increased temptation (诱惑) to steal phones was one worry."I thought,well,four of these smartphones are going to end up on e-BAY tomorrow,"one teacher said.A few teachers remained concerned that phones could prove a distraction (分心) for some pupils.Allowing pupils to access school emails via mobiles would also bring risks it pass-words were shared,they said.
    Dr.Hartnell-Young says that the teachers'worries are understandable."While the eventual aim should be to lift blanket bans on phones we do not recommend immediate,whole-school change,"she said,"Instead we believe that teachers,students and the wider community should work together to develop policies that will enable this powerful new learning tool to be used safely.We hope that,in future,mobile phone use will be as natural as using any other technology in school."
49.Which of the following is probably closest in meaning to the underlined word"problematical"in Paragraph 3?B
    A.Illegal.B.Troublesome.C.Reasonable.D.Valuable.
50.Some teachers support the ban because they think greater use of mobile phones will bring some worries EXCEPTC.
    A.it will cause pupils not to concentrate on their study
    B.some pupils will steal phones and sell it online
    C.it will cause pupils to lack confidence
    D.sharing the passwords will bring some risks to the school
51.Dr.Hartnell-Young probably thinksD.
    A.schools should make immediate changes to lift the ban
    B.it is not necessary for teachers to worry about the larger use of mobile phones in school
    C.it won't be natural for teachers to use phones in school
    D.work should be done together to ensure mobile phones come into class as a teaching aid
52.Which of the following can be the best title of this passage?A 
    A.Mobile Phones as a Teaching Aid      B.Problems Caused by Mobile Phones
    C.The Future Mobile Phone in School    D.The Mobile Phone Ban.

分析 本文讲述了手机作为一种工具可以用来辅助教学,但是手机也带来了很多问题,引起了老师和家长的担忧,下面看看专家怎么来说吧.

解答 49.答案 B 词义猜测题  根据 However,they recognized that greater use of mobile phones in schools couldprove problematical.句意是然而,他们承认在学校手机更多的用途可能是会带来问题.此处problematical是problem的形容词形式,意思是"有问题的",A 违法的  B 麻烦的  C.合情合理的  D贵重的,由此可知 B意思相近,故答案为 B
50.答案 C 细节理解题  从第三段可以得知,Increased temptation (诱惑) to steal phones,a distraction (分心) for some pupils,bring risks it pass-words 这三方面是老师的担忧,而根据Other teachers found that pupils who lacked confidence gained mostfrom the project.可知,手机的使用可以增加学生的自信,故答案为C
51.答案 D 归纳判断题  根据最后一段Dr.Hartnell-Youngsaid,"Insteadwe believe that teachers,students and the wider community should work together to developpolicies that will enable this powerful new learning tool to be usedsafely",可知,学校与社会应该协同合作来确保手机作为好的助手而被学生所使用,故答案为D
52.答案 A  主旨大意题  根据第一段mobile phones can be a powerfullearning aid及下文的叙述,可知本文主要讲了手机作为一种工具可以用来辅助教学,故答案为A

点评 科普知识与现代技术是高中课程标准规定的话题之一.此类题材的文章涉及内容广泛,如天文地理、生物医药、发明创造、计算机技术等等.这类文章的总体特点是:科技词汇多,句子结构复杂,理论性强,逻辑严谨.具体说来它有以下几个特点:
1.文章中词汇的意义比较单一、稳定、简明,不带感情色彩,具有单一性和准确性的特点.
2.句子结构较复杂,语法分析较困难.为了描述一个客观事物,严密地表达自己的思想,作者经常会使用集多种语法现象于一体的长句.
 3.常使用被动语态,尤其是一些惯用被动句式.
4.科技环保类文章在高考英语试题中出现的频率最高,一直是高考的主要测试内容,此类文章一般为说明文,但也常常夹杂着叙述和议论,并经常出现一些较新的科技名词或术语.着重从不同侧面考查学生筛选、提取、推断信息的能力.考生若经常阅读英语报刊,具备丰富的课外知识,并积累一定的时新词汇,对解读此类文章会大有帮助.

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A
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B
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C
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D
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E
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F
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