复习题2

《大学计算机基础》操作一、单选题（共30题，每题1分）1．电子计算机的内存储器一般由（A）组成。

A．ROM和RAM B． RAM和硬盘C．CPU和ROM D．C D-ROM与ROM 2．日常说的PC是指（B）。

A．计算机B．个人计算机C．单片计算机 D．小型计算机3．信息高速公路计划使计算机应用进入了（A）的新的发展阶段。

A．以网络为中心B．家用计算机C．多媒体应用D．图像处理4．在Windows XP系统中同时按下Ctrl + Alt + Del三键并松开（B ）。

A．可以保存当前编辑的文本B．可以打开任务管理器C．可结束正在执行的任务D．可以进入绘图状态5. 某单位的人事档案管理程序属于（B）。

A. 工具软件B. 应用软件C. 系统软件D. 字表处理软件6. 半导体只读存储器(ROM)与半导体随机存储器(RAM)的主要区别在于（A）。

A. ROM可以永久保存信息，RAM在掉电后信息会丢失B. ROM掉电后，信息会丢失，RAM则不会C. ROM是内存储器，RAM是外存储器D. RAM是内存储器，ROM是外存储器7．因特网（Internet）又称为（ A ）网络。

A．国际互联 B．局部计算机C．城市计算网 D．高速信息火车8．因特网是目前全世界最大的计算机网络，采用（ B ）通信协议将分布在世界各地的、各种计算机网络连接到一起，使它们能方便地交流信息。

A．ASCⅡB．TCP/IP C．电报 D．电话9．电子邮件又称为（ C ），是目前因特网上使用最广泛的应用服务之一。

A．ASCⅡB．TCP/IP C．E-mail D．Internet10．因特网可以看作是有史以来第一个（C ）的图书馆和资料库，为人们提供了巨大的，不断增长的信息资源和服务资源。

A．由我国各大图书馆以及省、市级科技情报所组成B．由美国政府、科学院、大学、图书馆和大公司组成C．由世界各国的政府、科研机构、大学、企业、大公司、大图书馆和情报所组成D．由美国IBM公司、微软公司以及美国电信局组成11．计算机犯罪中的犯罪行为的实施者是（C）。

国际财务管理复习题二多选题:1.企业国际化的动因包括( )。

A.获得关键要素供给B.获取低成本生产要素C.获得收入最大化D.发挥企业自身优势答案：ABD2.国际企业财务活动环节主要包括( )。

A.国际融资管理B.国际投资管理C.国际营运资金管理D.国际利润管理答案：ABCD3.国际企业财务活动环节主要包括( )。

A.国际融资管理B.国际投资管理C.国际营运资金管理D.国际利润管理答案：ABCD4. 国际企业财务管理是选择集权模式还是分权模式主要受（）因素的影响。

A. 代理成本与企业适应性的平衡B. 企业的组织结构C. 国际法律制度环境D. 企业文化传统答案：ABD5.营运资金管理的具体内容包括 ( )。

A.转移价格的设定B.特许权使用费和管理费的管理C.内部交易计价货币的选择D.冻结资金的管理答案：ABCD6.与国内财务管理相比，国际财务管理有以下几项特殊的内容，这些内容贯穿国际财务管理活动的各个环节，包括 ( )。

A.汇率预测和外汇风险管理B.国际资金转移管理C.国际税收管理D.国际存货管理答案：ABC7.属于美国居民的机构是( )。

A.在美国的外商独资企业B.美国的私人企业C.美国驻外使馆工作的外交人员D.IMF等驻美机构答案：BC8.国际企业处理总部与子公司或分部，以及各组织层次上下级子公司或分部之间的财务管理决策的控制模式包括( )两种形式。

A.控股模式B.集权模式C.合资模式D.分权模式答案：BD9.国际企业财务管理模式的选择的依据包括( )。

A.代理成本与企业适应性的平衡B.企业的组织结构C.员工专业素质D.文化传统答案：ABD10.国际企业分权模式财务管理的优点包括( )。

A.有利于整体财务管理目标的实现B.及时调整财务战略C.有效规避风险D.提高国际企业的整体应变能力和总体利益答案：BCD11.国际财务管理政治环境因素包括( )。

A.东道国政府对待国外企业的政策态度B.东道国政治的稳定性C.母国政府的政策态度D.跨国企业战略制度答案：ABC12、国际转移定价为国际企业规避以下风险( )。

复习题 2 基因重组与基因工程一、A型题1.实验室内常用的连接外源性DNA和载体DNA的酶是：（ A ）A．DNA连接酶B．DNA聚合酶ⅠC．DNA聚合酶ⅡD．DNA聚合酶ⅢE．反转录酶2.用来鉴定DNA的技术是：（ B ）A．Northern印迹B．Southern印迹C．Western印迹D．亲和层析E．离子交换层析3.下列那项不是重组DNA技术中常用的工具酶：（ D ）A．限制性核酸内切酶B．DNA连接酶C．DNA聚合酶Ⅰ D．RNA聚合酶E．反转录酶4.关于限制性核酸内切酶的叙述，下列哪项是错误的？（ E ）A．限制性核酸内切酶分为三类，用于基因工程的为Ⅱ酶B．限制性核酸内切酶切割后可产生粘性末端或平端C．识别的核苷酸序列个数可以是6个或8个D. 识别的序列一般具有回文结构E．识别的DN A为单链5.关于基因工程的叙述，下列哪项是错误的？（ B ）A．基因工程也称基因克隆B．只有质粒DNA可作为载体C．重组体DNA转化或转染宿主细胞D．需获得目的基因E．需对重组DN A进行纯化、筛选6.有关质粒的叙述，下列哪项是错误的？（ E ）A．小型环状双链DNA分子B．可小到2～3Kb大到数百个KbC．能在宿主细胞中独立自主地进行复制D．常含有耐药基因E．只有一种限制性核酸内切酶切口7．下列哪项不是重组DN A的连接方式？（C ）A．粘性末端与粘性末端的连接B．平端与平端的连接C. 粘性末端与平端的连接D．人工接头连接E．同聚物加尾连接8．DNA克隆不包括下列哪项步骤？（ E ）A．选择一个适合的载体B．限制性核酸内切酶在特异位点裂解质粒和目的基因C．用连接酶连接载体DNA和目的DNA，形成重组体D．用载体的相应抗生素抗性筛选含重组体的细菌E．重组体用融合法导入细胞9．基因重组是指DNA分子的：（ A ）A．共价连接B．氢键连接C．离子键连接D．交换E．退火10．在分子生物学中，重组DNA又称为：（ D ）A.酶工程B.蛋白质工程C.细胞工程D.基因工程E.DNA工程11．基因工程中，不常用到的酶是（ E ）A．限制性核酸内切酶 B．DNA聚合酶C．DNA连接酶D．逆转录酶E．DNA解酶12．能识别DNA的特异序列，并在识别位点或其周围切割双链DNA的一类酶称为：（ B ）A. DNA内切酶 B．限制性内切核酸酶C．非限制性内切核酸酶 D．限制性外切核酸酶E．非限制性外切核酸酶13．cDNA是指：（ A ）A．在体外经反转录合成的与RNA互补的DNAB．在体外经反转录合成的与DNA互补的DNAC．在体外经反转录合成的与RNA互补的RNAD．在体内经反转录合成的与RNA互补的RNAE．在体内经反转录合成的与RNA互补的DNA14．质粒的分子结构是：（ A ）A．环状双链DNA B．环状单链DNA C．环状单链RNAD．线状双链DNA E．线状单链DNA15．聚合酶链式反应常常缩写为：（ E ）A．PRC B．PER C．PDR D．BCR E．PCR16．用于PCR反应的酶是：（ E ）A．DNA连接酶B．碱性磷酸酶C．逆转录酶D．限制性内切核酸E．Taq DNA聚合酶17．基因工程中使目的基因与载体拼接的酶是：（ C ）A．DNA聚合酶B．RNA聚合酶C．DNA连接酶D．RNA连接酶E．限制性核酸内切酶18．α互补筛选属于：（C ）A．抗药性标志筛选B．酶联免疫筛选 C．标志补救筛选D．原位杂交筛选E．免疫化学筛选19．确切地讲，cDNA文库包含：（ E ）A．一个物种的全部基因信息B．一个物种的全部RNA信息C．一个生物体组织或细胞的全部基因信息D．一个生物体组织或细胞的全部RNA信息E．一个生物体组织或细胞所表达mRNA信息20．下烈描述最能确切表达质粒DNA作为克隆载体特性的是：（D ）A．小型环状双链DNA分子B．携带有某些耐药基因C．在细胞分裂时恒定地传递给子代细胞D．具有自我复制能力E．获得目的基因21.基因工程中常用限制性内切酶Ⅱ的识别序列，正确的说法是：（ E ）A.聚胞苷酸B.聚腺苷酸C.6或8个任意核苷酸D.4或6个任意核苷酸E 具有回文结构22．基因工程的基本过程不包含：（ E ）A.DNA重组体的形成及转化B.限制酶的切割C.载体及目的基因的分离D.重组体的筛选与鉴定E.重组体的序列分析23.有关理想质粒载体的特征，正确的是：（ B ）A.其复制受宿主控制B.含有多种限制性内切酶的单一切点C．含有同一限制酶的多个切点D．为线性单链DNAE．不含耐药基因24.下列那个物质一般不用作基因工程的载体：（ C ）A．噬菌体B．质粒C．大肠杆菌基因组D．反转录病毒DNAE．人工酵母染色体25.基因工程的操作程序可简单的概括为：（E ）A．将重组体导入宿主细胞并筛选B．限制酶的应用C．将载体和目的基因接合成重组体D．目的基因和载体的分离提纯与鉴定E．分、切、接、转、筛26.基因表达的多级调控不包括：（ A ）A．DNA复制B．转录起始C．转录后加工D. 翻译起始E. 翻译后加工27.下列基因工程中的目的基因的来源，最不常用的是：（ C ）A. 人工合成DNAB．从mRNA合成cDNAC. 从真核生物染色体DNA中直接分离D．从基因文库中获取E．从细菌基因组DNA中直接分离28.Ⅱ型限制性内切酶是：（ B ）A．有内切酶和甲基化酶活性B.仅有内切酶活性，甲基化酶活性由另外一种酶提供C．有外切酶和甲基化酶活性D．限制性识别非甲基化的核苷酸序列E．仅有外切酶活性，甲基化酶活性由另外一种酶提供29.基因工程操作应用的许多载体质粒都有抗生素的抗性基因，这是为了便于：（ D ） A．外源基因插入质粒B.宿主菌的生物繁殖C．质粒的转化D．带有目的基因的宿主菌的筛选E．目的基因的表达30.有关目的基因与载体连接的叙述错误的是：（ E ）A.可以同一限制酶切割产生粘性末端连接B.平末端切口可采用“尾接法”C．平末端切口可直接连接D．均需DNA连接酶参与E．不同限制型内切酶切割不能连接1．基因工程的单元操作顺序是（ A ）Ａ．酶切，连接，转化，筛选，验证Ｂ．酶切，转化，连接，筛选，验证Ｃ．连接，转化，筛选，验证，酶切Ｄ．验证，酶切，连接，筛选，转化Ｅ．酶切，连接，筛选，转化，验证2．下列五个DNA 片段中含有回文结构的是（D、E ）Ａ．GAAACTGCTTTGAC Ｂ．GAAACTGGAAACTGＣ．GAAACTGGTCAAAG Ｄ．GAAACTGCAGTTTCＥ．GAAACTGCAGAAAG3．T 4 -DNA 连接酶是通过形成磷酸二酯键将两段DNA 片段连接在一起，其底物的关键基团是（ D ）Ａ．2' -OH 和5' -P Ｂ．2' -OH 和3' -PＣ．3' -OH 和2' -P Ｄ．3' -OH 和5' -PＥ．5' -OH 和3' -P4．噬菌体l-DNA 体外包装的上下限是天然l-DNA 长度的（D ）Ａ．25 - 50 % Ｂ．50 - 100 %Ｃ．75 - 100 % Ｄ．75 - 105 %Ｅ．100 - 125 %8．分子杂交的化学原理是形成（E ）Ａ．共价键Ｂ．离子键Ｃ．疏水键Ｄ．配位键Ｅ．氢键9．促红细胞生长素（EPO ）基因能在大肠杆菌中表达，但却不能用大肠杆菌的基因工程菌生产人的促红细胞生长素，这是因为（ E ）Ａ．人的促红细胞生长素对大肠杆菌有毒性作用Ｂ．人的促红细胞生长素基因在大肠杆菌中极不稳定Ｃ．大肠杆菌内毒素与人的促红细胞生长素特异性结合并使其灭活Ｄ．人的促红细胞生长素对大肠杆菌蛋白水解酶极为敏感Ｅ．大肠杆菌不能使人的促红细胞生长素糖基化10．鸟枪法克隆目的基因的战略适用于（ A ）Ａ．原核细菌Ｂ．酵母菌Ｃ．丝状真菌Ｄ．植物Ｅ．人类11．cDNA第一链合成所需的引物是（D ）Ａ．Poly A Ｂ．Poly CＣ．Poly G Ｄ．Poly T Ｅ．发夹结构12．cDNA法获得目的基因的优点是（ B ）Ａ．成功率高Ｂ．不含内含子Ｃ．操作简便Ｄ．表达产物可以分泌Ｅ．能纠正密码子的偏爱性13．人工合成DNA 的单元操作包括（ E ）I 去保护II 偶联III 封端IV 氧化Ａ．I + II Ｂ．II + IVＣ．I + II + III Ｄ．II + III + IV Ｅ．I + II + III + IV二、B型题A．抗药性筛选B．分子杂交筛选C．RNA反转录D．免疫学方法 E．体外翻译1．用于鉴定质粒是否转化的一般方法是：（ A ）2．用于鉴定转化子细胞是否含有目的基因的常用方法是：（ B ）3．利用目的基因表达产物的特异性抗体来筛选含有目的基因的转化子细胞价方法是：（D ）A．限制性核酸内切酶B．DNA连接酶 C．反转录酶D. Taq DNA聚合酶E．碱性磷酸酶4.识别DNA回文结构并对其双链进行切割的是：（ A ）5.用于PCR反应的酶是：（ D ）6.将目的基因与载体进行拼接的酶是：（ B ）A．转染B．转化C．感染D．转导E．转位7．以质粒为载体，细菌为宿主的导入方式是：（ B ）8．以噬菌体为载体，细菌为宿主的导入方式是：（D ）9．以病毒为载体，哺乳动物细胞为宿主的导入方式是：（ C ）A.94℃B.85℃C.50℃D.72℃E.100℃10.PCR变性温度一般为：（ A ）11.PCR退火温度一般为：（C ）12.PCR延伸温度一般为：（ D ）A分 B 切 C接 D 转 E 筛13．获取目的基因属于基因工程中的步骤是（ A ）14.DNA连接酶用于基因工程中的步骤是（ C ）15.DNA重组子转化宿主细胞的步骤是（ D ）16.限制性内切酶切割目的基因和载体的步骤是（ B ）17.对含有DNA重组体的宿主细胞进行筛选的步骤是（ E ）三、C型题A、含有该生物的全部基因B、含有该生物的结构基因C、两者都是D、两者都不是1、基因组文库（ A ）2、cDNA文库（ B ）A、需要逆转录酶B、需要限制性内切酶C、两者都是D、两者都不是3、建立cDNA文库（ C ）4、建立基因组文库（ B ）A、连接酶B、逆转录酶C、两者都是D、两者都不是5、建立cDNA文库需要（C ）6、建立基因组文库需要（ A ）四、X型题1.可用于基因工程载体的DNA分子有：( BDE )A．染色体DNA B．病毒DNA C．细菌DNAD．噬菌体DNA E．质粒DNA2.重组DNA技术的基本过程包括：( ACDE )A．目的基因的获取B．PCR反应C．克隆载体的构建D．目的基因与载体的连接E．重组体分子导入受体菌3.基因克隆又称为：( AC )A．重组DNA B．重组RNA C．DNA克隆D．RNA克隆E．蛋白质复制4.组成PCR反应体系的物质包括：( BD )A．RNA引物B．Taq DNA聚合酶C．RNA聚合酶D．DNA模板E．ddNTP5.对于重组体的筛选，属于直接选择法的是：( BCD )A．免疫化学法B．原位杂交法C．Southern印迹D．补救标志筛选E．抗药性标志筛选6.对于重组体的筛选，属于非直接选择法的是：( AE )A．免疫化学法B．原位杂交法C．Southern印迹D．补救标志筛选E．酶联免疫筛选7.限制性核酸内切酶切割DNA时可产生：( ABCE )A．5’粘性末端B．3’粘性末端C．平末端D．单链缺口 E．粘性末端8.基因工程中目的基因的来源有：( ABCDE )A．化学合成B．PCR合成C．cDNA文库D．基因组文库E．组织细胞中染色体DNA直接提取9.基因工程中外源性基因又称为：( ABD )A．目的基因 B．目的DNA C．目的RNAD．target DNA E．外源RNA10．重组DNA技术中常用的工具酶有：( ABCDE )A．限制性核酸内切酶B．DNA聚合酶ⅠC．DNA连接酶D．反转录酶E．末端转移酶11．作为基因工程的载体必须具备的条件是：( ABCD )A．能独立自主复制B．易转化C．易检测（含有抗药性基因等）D．具有限制性内切核酸酶的位点E．易提取获得五、填空题1．基因工程的一个理想的载体必须具备的条件有__至少有一个复制起点____、___有克隆位点、具备转化的功能、遗传标记基因___、___具有较高的装载能力___。

高三英语复习题：Unit 2 Casptain CookI.单项选择：1.Paper money was in ___ use in China when Marco Polo visited the country in ___ thirteenth century.A. the;\ B \; the C. the; the D. \; \2.She is ___ newcomer to __ chemistry but she has already made some important discoveries.A. the; theB. the; \C. a ;\D. a ; the3.--I'd like ___ information about the management of your hotel, please.-- Well, you could have ___ word with the manager. He might be helpful.A. some; aB. an; someC. some; someD. an; a4.How beautifully she sings! I have never heard __.A.the better voiceB.a good voiceC. the best voiceD.a better voice.5.--Have you seen __ pen? I left it here this morning.-- Is it __ black one? I think I saw it somewhere.A.a; theB.the; theC.the; aD. a; a6.We have worked out the plan and now we must put it into ___.A.factB. realityC. practiceD.deed7. Many people are still in __ habit of writing sillu things in ___public places.A. the; theB. \; \C. the;\D.\; the8.He dropped the __ and broke it.A. cup of coffeeB.coffee's cupC. cup for coffeeD. coffee cup9.-- How did the boss pay you?-- As a rule, we were paid__A.by the hourB.by hourC.by an hourD. by hours10. I am very obliged to him, for he has done me __A. many kindnessB.lots of kindnessC. many kindnessesD.much kindness11. ____ is needed badly in the stricken areas.A. A lot of clothesB.Many a clothC. Much clothingD.Plenty of clothes12.--Could you leave me your dictionary?-- Certainly, but it isn't really __.A.of much useB.of great usefulC. much usefulD.for much usest year the old woman fired two __ in her house.A. woman serventsB. women serventC. woman serventD. women servents14.___ are sold in the supermarket.A. Men's and children's shoesB. Men and children shoesC. Man and child's shoesD. Men's and child's shoes15.They are such diligent __ that they have already made ___.A. students; so much progressB.student; great progressesC.students; such much progressD.students; so great progress16.Like __ of the period, he didn't see any jet plane.A.another ChineseB.some GermenC. many JapanesesD. other Indians17.The house with many guests in it was suddenly __.A.in fireB. on a fireC. on fireD. in a fire18.Mr Smith gave us __ how to learn English well.A.a good advice on B some good advice onC.two good advice onD. some pieces of good advice on19.I'm full now. Would you like ___ bread?A.one moreB.some moreC. any moreD.another piece20.Scientists are trying to find__ that they can prevent pollution.A.meanB. means C . ways D.method21.He didn't know if there was __ on the line but there was something heavy.A. fishB. a fishC.fishsD.fishes22.Would you fetch me ___ here?A.3 chalksB. 3 box of chalkC. 3 pieces of chalksD.3 boxes of chalk23.The workers can complete our new library in ___.A.2 and half a monthB.2 months and halfC.2 and a half monthsD.2 monthes and a half24.This painting __ has interested many visitors.A.in water colorsB. with water colorC.in water colorD.by water colors25.Can you show me the ___ taken by those __students?A.photos; boyB.photoes; boyC.photos; boysD.photoes; boys26.He bought __ eggs for four yuan.A.2 dozenB. 2 dozensC. dozen ofD. 2 dozens of27.___ in the forest like to eat __ certain kind of wild rose.A.Deer; theB.Deer; aC.Deers;someD.Deers; a28.He is worried about tomorrow's driving test. Would you please have __ with him?A.wordsB.a wordC.talkD.talks29.There is a bottle of __ in the hand of the __ teacher.A.chemical; chemicalB.chemistry; chemistryC.chemicals;chemistryD.chemicals; chemist30.It's good __ to wait in line.A.habitB.wayC.mannerD.mannersII．单词拼写1. Go along this _______ (小路), and you will find them in the forest.答案: path2. Gold is a precious _______(金属) .答案: metal3.I owe you a _______(债) of gratitude for your help.答案: debt4. Finally they took up arms to ______ (保卫) themselves .答案: defend5. The parents are ______(失望) in his son.答案: disappointed6. She d _______ her life to helping homeless children.答案: devoted7. The child can c ______ from one to one hundred in English.答案: count8. An experienced engineer is in c ______ of the project.答案: charge9.1 have no d ______ that he will be admitted to the college.答案: doubt10. The unexpected flood brought about great d _______ to the people in this area.答案: disasterIII．用下列动词的正确形式填空1. We are looking forward to _______ ( read ) your new book.答案: reading2. The teacher doesn't permit_______(smoke) during the lessons.答案: smoking3. I can't help______(sneeze); I caught a cold yesterday.答案: sneezing4. Do you feel like ______(go) to a film or would you rather______(stay) at home?答案: going; stay5. Did you have any trouble ______(control) those children?答案: controling6. I wasted the whole afternoon _______(go) through the piles of old letters.答案: going7. I regret_______(be) unable to help on time.答案: being8. I don't enjoy_______(go) to the dentist.答案: going9. Most people prefer ______ ( spend ) money to _______(earn) it.答案: spending; earning10. －Did you remember ______(give) him the key to the safe?－No, I didn't. I'll go and do it now.答案: givingIV.阅读理解AOne day a few years ago a very funny thing happened to a neighbour of mine. He is a teacher at one of London’s big medical school. He had finished his teaching for the summer term and was at the airport on his way to Russia to give a lecture.He had put a few clothes and his lecture notes in his shoulder bag, but he had put Rupert, the skeleton (人体骨架) to be used in his lecture, in a large, brown suitcase (箱子), At the airport desk, he suddenly thought that he had forgotten to buy a newspaper. He left his suitcase near the desk and went over to the shop.When he got back he discovered that someone had taken his suitcase by mistake. He often wonders what they said when they got home and found Pupert.1.Who wrote the story?A.Pupert’s teacher.B.The neighbour’s teacher.C.A medical school teacher.D.The teacher’s neighbour.2.Why did the teacher put a skelet on in his suitcase?A.He needed it for the summer term in London.B.He needed it for the lecture he was going to give.C.He wanted to take it to Russia for medical research.D.He wanted to take it home as he had finished his teaching.3.What happened at the airport?A.The skeleton went missing.B.The skeleton was stolen.C.The teacher forgot his suitcase.D.The teacher took the wrong suitcase.4.Which of the following best tells the teacher’s feeling about the incident?A.He is very angry.B.He thinks it rather funny.C.He feels helpless without Rupert.D.He feels good without Rupert.5.Which of the following might have happened afterwards?A.The teacher got back the suitcase but not Rupert.B.The teacher got back neither the suitcase nor Rupert.C.The teacher got back Rupert but not the suitcase.D.The teacher got back both the suitcase and Rupert.Key: DBABBBThe office has always been a place to get ahead. Unfortunately, it is also a place where a lot of natural resources start to fall behind. Take a look around next time you’re at work. See how many lights are left on when people leave. See how much paper is being wasted. How much electricity is being used to run computers that are left on. Look at how much water is being wasted in the restrooms. And how much solid waste is being thrown out in the rubbish cans. We bet it is a lotNow, here are some simple ways you can produce less waste at work. When you are at the computer copier, only make the copies you need. Use both sides of the paper when writing something less important. Turn off your lights when you leave. Use a lower watt bulb in your lamp. Drink your coffee or tea out of your mug instead of single-use cups. Set up a recycling box for cans and one for bottles . and when you’re in the bathroom brushing your teeth or washing your face, don’t let the tap run. Remember, if we use fewer resources today, we’ll save more for tomorrow.1.The main purpose of the passage is to tell people___________.A.the disadvantages of working in an office.B.The waste produced in an office.C.To save resources when working in an office.D.How to save water in a restroom.2.How many kinds of waste are mentioned in the passage?A. 2B. 3C. 4D. 53. From the passage we can infer that in the office_______ . ing computers is a waste of resource.B.Many people don’t turn off the computers after using them.puters are run by electricity.D.A computer is not a must for working.4.It is suggested that we use both sides of the paper at the copier because_____A.we are short of paper.B. the printing is not important.C.we should save paper.D. we have to pay for the paper.5.The underlined word “mugs” is most likely to be ______.A.A machine that makes coffee.B.A container that can be used again and again.C.A paper product for tea.D.Something that can only be found in an office.Key: CCBCBCComputer programmer David Jones earned 35,000 a year designing new computer games, yet he cannot find a bank prepared to let him have a check card. Instead, he has been told to wait another two years until he is 18.He works for a small firm in Liverpool, where most young people of his age are finding jobs. David’s biggest headache is what to do with his money. Though he has high payment, he cannot drive a car, or get credit cards( 信用卡).David got his job four months ago, a year after leaving school with six O-levels(普通成绩) and working for a time in a computer shop. “I got the job because the people who run the firm knew I had already written some programs,” he said.“I suppose 35,000 sounds a lot but I hope it will come to more than that this year.” He spends some of his money on records and clothes, and gives his mother 20 a week as he lives with his parents. But most of his spare time is spent working.“Unfortunately, computing was not part of our studies at school,” he said. “But I had been studying it in books and magazines for four years in my spare time. I knew what I wanted to do and never considered staying on at school. Most people in this business are fairly young, anyway. I would like to earn a million and I suppose early retirement(退休) is a possibility. You never know when the market might disappear.”1.Why is David so different from other young people of his age?A.He earns an extremely high payment.B.He has got a job.C.He lives at home with his parents.D.He does not go out much.2.David’s greatest problem is that______ .A. he cannot be treated as an adult(成年人) by the bank.B.He can’t make as many games as he wishes.C.He doesn’t know what to buy with the money.D.He is too young to drive a car.3.He was employed by the company because ________.A.he had worked in a computer shop.B.He had written some computer programs.C.He is clever and works hard at his lessons.D.He had learnt to use computers at school.4.He left school after taking six O-levels because_______ .A. he was afraid of getting too old to start computingB.he did not enjoy school.C.He wanted to work with computers.D.He wanted to earn a lot of money.5.Why does David think he might retire early?Ａ.He thinks computer games might not always sell so well.B.One has to be young to write computer programs.C.He thinks his firm might close down.Key:AABCA四、典型例题1.This is the hotel____ last month.A .which they stayed B. at that they stayedC .where they stayed at D. where they stayed解析：关系副词与关系代词的选择。