2018年中山大学240英语(单考)考研真题及详解【圣才出品】
郑君里《信号与系统》(第3版)(上册)(名校考研真题 连续时间系统的时域分析)【圣才出品】

0
0
1 [(1 cos t)u(t) (1 cos t)u(t 1)]
将 y0 (t) 代入,可得所求系统输出为
y1(t)
y0 (t)
y0 (t
1)
1
(1
cost)[u(t)
u(t
2)]
y1(t) 的波形如图 2-5 所示。
图 2-5
3.离散时间系统如图 2-6 所示,其中 D 为单位延时器。要求在时域求解。
圣才电子书
十万种考研考证电子书、题库视频学习平
台
第 2 章 连续时间系统的时域分析
一、选择题 1.下列表达式中正确的是( )。[中山大学 2010 研] A.δ(2t)=δ(t) B.δ(2t)=1/2δ(t) C.δ(2t)=2δ(t) D.δ(2t)=δ(2/t) 【答案】B 【解析】根据单位冲激函数的时间尺度变换性质,有 (at) 1 (t) 。
,即 a0=4,a1=3。
(2)设系统对激励
的零输入响应和零状态响应分别为 rzi(t)和 rzs(t),则
由于
,则由线性时不变系统的微分特性可知
同时,设系统的单位冲激响应为 h(t),则由线性时不变系统的叠加性可知
由式(1)、式(2),并设
,可得:
则
,解得:A1=-2,A2=1,A3=1,故:
代入式(1),可得:
a
2.序列和 A.1 B.[k] C.k u [k] D.(k+1)u[k] 【答案】D
等于( )。[北京交通大学研]
【解析】由于
。
3.已知一个 LTI 系统起始无储能,当输入
,系统输出为
,当输入
时,系统的零状态响应 r(t)是( )。
1/8
贾俊平《统计学》考研真题(含复试)与典型习题详解(数据的概括性度量)【圣才出品】

2.统计学期中考试非常简单,为了评估简单程度,教师记录了 9 名学生交上考试试卷
的时间如下(分钟)
33 29
45 60 42 19 52 38 36[东北财经大学
2012 研]
(1)这些数据的极差为( )。
A.3.00
B.-3.00
C.41.00
D.-41.00
【答案】C
【解析】数据按从小到大排序结果如下:
A.0.38
B.0.40
C.0.54
D.2.48
【答案】A
【解析】离散系数也称为变异系数,它是一组数据的标准差与其相应的平均数之比。其
计算公式为: vs
s x
。得到 vs
22.85 0.38 。 12.45
9.已知某工厂生产的某零件的平均厚度是 2 厘米,标准差是 0.25 厘米。如果已知该 厂生产的零件厚度为正态分布,可以判断厚度在 1.5 厘米到 2.5 厘米之间的零件大约占 ( )。[浙江工商大学 2011 研]
圣才电子书 十万种考研考证电子书、题库视频学习平台
5.随机变量 X 的方差为 2,随机变量 Y=2X,那么 y 的方差是( )。[中央财经大学 2011 研]
A.1 B.2 C.4 D.8 【答案】D
【解析】Var(cX ) c2Var(X ) 22 2 8
7.设 X1,X2,…,X n 为随机样本,则哪个统计量能较好地反映样本值的分散程度( )。
[中山大学 2012 研] A.样本平均 B.样本中位数 C.样子书
【答案】C
十万种考研考证电子书、题库视频学习平台
【解析】集中趋势是指 一 组 数 据 向 某 一 中 心 值 靠 拢 的 程 度 ,它 反 映 了 一 组 数 据 中 心
胡壮麟《语言学教程》配套题库(第4版)【名校考研真题】【圣才出品】

第一部分名校考研真题2017年中山大学837语言学考研真题及参考答案考试科目:外国语言学与应用语言学I. Explain the following terms. (10 points for each term)1. allomorph【答案】Those morphs which represent the same morpheme are called the allomorphs of the same morpheme. For instance, the noun plural morpheme {plural} in English has [-s], [-z], [-iz], [-ai], [-n], [-i] and other morphs, such morphs are termed as the allomorphs of the morpheme {plural}. Some morphemes have a single form in all contexts, some others may have considerable variations; some morphemic shapes represent different morphemes and thus have different meanings, for instance, the morphemic shapes {-s} can express plurality in desks, person/ finiteness in speaks and case in girl’s.Words such as illogical, imbalance, irregular and inactive share a common morpheme in-. In other words, il-, ira-, and ir- are exceptionally the variation forms of one morpheme in-. These variation forms are called ALLOMORPHs, i.e. allomorphs of the same morpheme owing to the influence of the sounds to which it attaches. Other instances are such as the variation of plural forms of nouns. -s, -es, -en, -ee-, o, -ce and -yes.2. diglossia【答案】The term diglossia, first used by Ferguson in 1959, refers to a sociolinguistic situation similar to bilingualism. But instead of two different languages, in a diglossic situation two varieties of a language exist side by side throughout the community, with each having a definite role to play. The language which Ferguson used as examples are Arabic, Modem Greek, Swiss German and Haitian Creole. Each of these languages has two varieties: the high variety (H) and the low variety (L). The two varieties have overt recognition in the community and have commonly known and used labels. H-variety is used in government, the media, education and for religious services. The other one is usually a non-prestige variety, the low variety used in the family, with friends, when shopping, etc.One of the most important features of diglossia is the specialization of function of the two varieties. Each variety is the appropriate language for certain situations with very slight overlapping.3. embedding【答案】Embedding refers to the means by which one clause is included in the sentence (main clause) in syntactic subordination which is also called center embedding in linguistics. Different languages accommodate this construction in various ways, but many of them allow for instances where a smaller, or more precise, unit of speech can be included in a fuller sentence. When this phrase is integratedwhole into the larger one, it is often referred to as center embedding. One of the most common examples of center embedded phrases involves relative clauses that get injected into larger sentences. One basic example is a sentence like this one: “The man that the woman heard left.” – In this example of center embedding, if the relative clause was entirely taken out, a shorter sentence might read like this: “The man left.” The inclusion of the relative clause serves to show the r eader that there was a woman who heard the man, and this leads to the appearance of the phenomenon of center embedding in the sentence. Thus the basic function of embedding is to demonstrate more details about the meaning of the original sentence.4. idiom【答案】An idiom is a phrase or an expression that has a figurative, or sometimes literal, meaning. Categorized as formulaic language, an idiom’s figurative meaning is different from the literal meaning. There are thousands of idioms, occurring frequently in all languages. It is estimated that there are at least twenty-five thousand idiomatic expressions in the English language.5. pragmatics【答案】Pragmatics can be defined in various ways. A general definition is that it is the study of how speakers of a language use sentences to effect successful communication. As the process of communication is essentially a process ofconveying and understanding meaning in a certain context, pragmatics can also be regarded as a kind of meaning study. Pragmatics is a comparatively new branch of study in the area of linguistics; its development and establishment in the 1960s and 1970s resulted mainly from the expansion of the study of linguistics, especially that of semantics. Pragmatics is the study of language in use, focusing on the study of speaker’s meaning, utterance meaning or contextual meaning. Pragmatics and semantics are both linguistic studies of meaning, so they are related to as well as different from each other. It differs from the kind of meaning we studied in semantics in that it takes context into consideration while semantics concentrate on the study of literal meaning without context.6. loan translation【答案】Loan translation is a special type of borrowing, in which each morpheme or word is translated in the equivalent morpheme or word in another language. For instance, the English word almighty is a literal translation from the Latin omnipotens. This is also called CALQUE, which may be a word, a phrase, or even a short sentence. The English expression free ve rse was translated from Latin’s verse libre, and black humour is a loan translation from French humour noir, so is found object from French objet trouve.7. interlanguage【答案】The type of language constructed by second or foreign language learnerswho are still in the process of learning a language is often referred to as Interlanguage. Interlanguage is often understood as a language system between the target language and the learner’s native language. It is imperfect compared with the target language, but it is not mere translation from the learner’s native language either. However, interlanguage should not really be seen as a bridging language between or a mixture of the target language and native language. Interlanguage is a dynamic language system, which is constantly moving from the departure level to the native-like level. Therefore, “inter” actually means between the beginning stage and the final stage. Studies on interlanguage can be done in two ways: (1) investigating the psychological, biological or neurological mechanisms involved in the production of interlanguage; (2) investigating the linguistic features of interlanguage. The former type of research has been widely conducted, whereas the latter type has not received due attention.8. communicative competence【答案】Communicative competence includes both the knowledge about the language and the knowledge about how to use the language appropriately in communicative situations. It includes five main components of communicative competence. Namely, linguistic competence, pragmatic competence, discourse competence, strategic competence, and fluency.(1) Linguistic competence ‘is concerned with knowledge of the language itself, its form and meaning’ (Hedge, 2000:46). More specifically, it involves spelling,pronunciation, vocabulary, word formation, grammatical structure, sentence structure, and semantics. Hedge emphasises that linguistic competence is an integral part of communicative competence and it is wrong to think that communicative language teaching does not aim for high standard of linguistic correctness.(2) Pragmatic competence is concerned with the appropriate use of the language in social context. That is to say, the choice of the vocabulary and structure depends on the setting, the relative status of the speakers, and their relationships. The above tasks have illustrated this point. In Hymes’s words, to know ‘when to speak, when not, what to talk about with whom, when, where and in what manner’(3) Discourse competence refers to one’s ability to create coherent written text or conversation and the ability to understand them (Canale and Swain, 1980). In other words, it is one’ s ability to express or to understand a topic logically and coherently by effectively employing or comprehending the cohesive markers used in the discourse such as: ‘by the same token’, ‘to put it in other words’, ‘first’, ‘second’, ‘at last’, and also the reference words such as ‘it’, ‘they’, ‘that’, etc. in the context. It is these cohesive words which hold meaning together in a sensible way. Discourse competence, according to Hedge (2000), also includes one’s ability to initiate, develop, enter, interrupt, check, or confirm in a conversation.(4) Strategic competence is similar to communication strategies. It refers to。
刘珣《对外汉语教育学引论》配套题库【名校考研真题+章节题库+模拟试题】(1-10章)【圣才出品】

第1章对外汉语教育是一门专门的学科一、填空题1.在美国出生的孩子,父亲和母亲都是中国人,孩子的母语是________。
(中国传媒大学2010年研)【答案】汉语【解析】母语是指本国、本民族的语言。
一般情况下母语是人们的第一语言,但对一些移居国外的人来说,其子女出生后首先接触并获得的语言有可能是居住国的语言而不是母语。
因此孩子的母语是汉语,第一语音是英语。
2.第二语言教学的内部因素是指语言学习和教学活动的主体、客体和________。
(首都师范大学2010年研)【答案】本身【解析】内部因素主要指:①学习与教学活动的主体——学习者和教师,包括学习者的生理、心理、策略等个体因素和教师的基本素质;②学习与教学活动的客体——所教的目的语,即作为第二语言的汉语;③学习与教学活动本身——包括总体设计、教材编写、课堂教学和测试评估四大环节的理论与实践。
二、判断题1.对外汉语教学就是对外汉语,是指对外国人进行的汉语教学。
(中国传媒大学2010年研)【答案】错误【解析】对外汉语教学是指对外国人的汉语教学,实际上也包括对第一语音不是汉语的海外华人进行的汉语教学。
2.对外汉语教学是一种第二语言教学,也是一种外语教学。
(首都师范大学2011年研)【答案】正确【解析】对外汉语教学是一种第二语言教学,也是一种外语教学。
它的性质是汉语作为第二语言的教学,它是第二语言教学的分支学科。
3.狭义的应用语言学指的是语言教学。
(中山大学2011年研)【答案】正确【解析】广义的应用语言学是跟理论语言学相对的概念,指把理论语言学的理论、规律、原则和方法应用到其他学科领域,从而产生的新的边缘学科;狭义的应用语言学则专指语言学理论在语言教学中的应用,特别是指第二语言教学。
4.母语是从亲属关系的角度命名的,外语则是从国别的角度命名的。
(厦门大学2010年研)【答案】错误【解析】这两个概念是按国家的界限来区分的。
母语是指本国、本民族的语言;外语是指外国的语言。
邓学钧《路基路面工程》(第3版)名校考研真题(沥青路面)【圣才出品】

7.矿料间隙率[河北工业大学 2011 年 B 卷] 答:矿料间隙率是指矿料外的体积占试件总体积百分率。
二、填空题 按照施工方法的不同,沥青路面有_____和_____两种施工方法。[河北工业大学 2012 年 B 卷] 【答案】洒铺法;拌和法 【解析】根据沥青路面施工工艺的不同,沥青路面施工可分为洒铺法和拌和法。
2.SMA 路面[河北工业大学 2012 年 A、B 卷] 答:沥青玛蹄脂碎石路面是指用沥青玛蹄脂碎石混合料作面层或抗滑层的路面。 沥青玛蹄脂碎石混合料(简称 SMA)是以具有以间断级配的集料为骨架,用改性沥青、 矿粉及纤维素组成的沥青玛蹄脂为结合料,经拌合、摊铺、压实而形成的一种构造深度较大 的抗滑面层的路面。
材料等外掺剂(改性剂)制成的沥青混合料,从而使沥青或沥青混合料的性能得以改善的沥 青。
5.动稳定度[河北工业大学 2011 年 B 卷] 答:动稳定度是指沥青混合料在高温条件下(试验温度一般是具有代表性的 60℃),混 合料每产生 1mm 变形时,所承受标准轴载的行走次数。
A.沥青砼 B.沥青碎石 C.SMA D.沥青贯入式 【答案】D 【解析】用层铺法施工的沥青路面面层,包括沥青表面处治和沥青贯入式两种。其他的 选项,均采用拌和法。
Байду номын сангаас
3.沥青路面压实度检测的标准方法采用( )。[河北工业大学 2012 年 B 卷] A.环刀法 B.灌砂法 C.核子密度仪法 D.钻芯法 【答案】C
滑耐磨、孔隙率小、抗疲劳、高温抗车辙、低温抗开裂的优点,是一种全面提高密集配沥青 混凝土使用质量的新材料,适用于高速公路、一级公路和其他重要公路的表面层。
全国名校信号与系统考研真题及详解(拉普拉斯变换、连续时间系统的s域分析)【圣才出品】

第4章拉普拉斯变换、连续时间系统的s域分析一、选择题以下为4个信号的拉普拉斯变换,其中不存在傅里叶变换的信号是()。
[武汉大学2015研]A.1/sB.1C.1/(s+3)D.1/(s-3)【答案】D【解析】D选项为1/(s-3),其时域表达式为e3t u(t),很显然是不稳定的,不满足绝对可积条件,也就不存在傅里叶变换。
二、填空题1.信号x(t)=cos2t的单边拉普拉斯变换为______。
[北京邮电大学2016研]【答案】s/(s2+4),Re[s]>0【解析】由于cos(βt)=(1/2)(e jβt+e-jβt),根据拉氏变换的定义式即可求解,该拉氏变换对也是常用变换对。
2.某连续线性时不变系统的系统函数为H(s)=s/(s+2),若用e(t)表示输入信号,而r(t)表示输出信号,则该系统的微分方程可以表示为______。
[北京邮电大学2016研]【答案】r ′(t)+2r(t)=e ′(t)【解析】由H(s)=s/(s +2)=R(s)/E(s),有sR(s)+2R(s)=sE(s),对应的微分方程即为:r ′(t)+2r(t)=e ′(t)3.已知某LTI 系统模型如下:y ′′(t)+3y ′(t)+2y(t)=f ′(t)+4f(t),y ′(0-)=1,y(0-)=0,f (t)=u (t),则系统的零状态响应y f (t )为______。
[武汉大学2015研]【答案】(2+e -2t -3e -t )u(t)【解析】对该微分方程两边取拉普拉斯变换得:s 2Y (s )+3sY (s )+2Y (s )=sF (s )+4F (s ) 则H (s)为:H(s)=(s +4)/(s 2+3s +2),系统的零状态响应为22441()()3232s s Y s F s s s s s s ++==⋅++++对Y (s)取拉氏逆变换得:y f (t)=(2+e -2t -3e -t )u(t)。
王浦劬《政治学基础》复习笔记和考研真题详解(政治思想)【圣才出品】
第二章政治思想5.2.1 复习笔记【知识框架】通关提要:政治思想是人们关于政治生活的观点、想法和见解的系统化体现,政治思想的形成有特定的社会背景。
要把握政治思想的发展方向,发挥政治思想的引导作用,就需要厘清政治思想特性和结构,明晰其内在逻辑。
本章的出题率不高,难度一般。
【考点难点归纳】考点一:政治思想的含义和特性(见表5-2-1)★★★表5-2-1 政治思想的含义和特性技能提升:政治思想具有相对独立性,这就意味着政治思想的发展要与政治、经济、社会、文化水平的发展相适应,唯有此才可以发挥政治思想的积极作用。
精选习题【概念题】政治思想(辽宁大学2019年研)答案参见本章考研真题与典型题详解。
考点二:政治思想的结构和类型★★★1.政治思想的结构(见表5-2-2)表5-2-2 政治思想的结构技能提升:政治思想具有复杂的理论和结构层次,要发展政治思想就要全面把握各个结构层次的特点,对症下药,综合提升。
2.政治思想的类型(见表5-2-3)表5-2-3 政治思想的类型精选习题【论述题】政治思想的思维结构。
(中传2016年研)点拨:政治思想作为人们一种自觉的和系统的思维活动以及由这一活动所形成的思想体系,其思维结构由三个因素或过程组成。
答案参见本章考研真题与典型题详解。
考点三:政治思想的发展和作用★★1.政治思想的起源与发展政治思想本质上是来源于现实的社会政治生活,是客观的政治环境与主观意识交互作用的产物。
从根本上说,社会政治生活的变化决定了政治思想的变化。
中国和西方政治思想发展的历史表明:(1)政治思想发展变化的原因多种多样,社会基本矛盾运动是根本原因,社会群体的利益要求的发展和政治关系的矛盾运动是主要原因。
(2)政治思想的发展过程是一个继承与创新的辩证过程。
(3)在政治思想的发展过程中,思想深刻、勇于创新的政治思想家发挥了重要的作用。
(4)实践是人类政治思想发展的根本途径,最广大人民群众的政治实践是人类社会组织实现发展的根本动力,也是政治思想真理性的唯一检验标准。
叶蜚声、徐通锵《语言学纲要》(章节题库- 语言的功能)【圣才出品】
第1章语言的功能一、填空题1.语言功能区主要存在于人触大脑的________半球。
(中山大学2012年研)【答案】左【解析】人类的左右大脑各有分工,左半球控制者语言功能以及相关的计数、分类、推理等功能,掌管抽象的、概括的思维,而大脑右半球则在音乐等艺术感知、人的面貌识别、立体图形的识别、整体把握能力、内在想象力等方面起着主要作用,掌管不需要语言的感性直观思维。
2.人类大脑的生理构造都一样,所以人类的思维________具有普遍性,但通过对语言差异的分析又可以看到人类思维________的特殊性。
(中山大学2012年研)【答案】能力;方式【解析】人类大脑的生理构造都是一样的,没有民族性,因而大脑的功能——思维能力也没有民族性,全人类都一样,人类思维能力的普遍性与语言能力的普遍性是一致的。
思维的过程伴随着语言的运用,语言的差异会导致思维方式的差异,思维能力是全人类普遍的,但使用不同语言的民族的思维方式上会有所不同。
3.语言,就其结构而言,它以________为物质外壳,以________为建筑材料,以______为结构规律的一种音义结合的________。
作为一种交际工具,语言最重要的社会功能是其________功能。
(首都师范大学2012年研)【答案】语音;词汇;语法;符号系统;人际互动【解析】语言的三要素是语音、词汇和语法,而语言本身也是一种音义结合的符号系统。
语言的社会功能有信息传递功能和人际互动功能,而作为交际工具,语言最重要的社会功能是人际互动功能。
二、选择题1.下面说法中不正确的是()。
(中国传媒大学2012年研)A.中国、印度、古希腊是语言研究的三个发源地。
B.人的左脑是语言脑,掌管逻辑思维,右脑掌管形象思维。
C.英语中没有与“叔叔”“舅舅”直接对应的词是因为英语中没有这样的概念。
D.音位和音素不是符号。
【答案】B【解析】根据脑科学的研究,人的大脑分左右两个半球,左半球掌管语言和抽象思维,右半球掌管与语言无关的感性直观思维。
郑君里《信号与系统》(第3版)(下册)配套题库-考研真题精选【圣才出品】
即 y(t)=yzi(t)+yzs(t)。
②齐次性:包括零输入响应齐次性和零状态响应齐次性,即若 x(0)→yzi(t),则 ax
(0)→ayzi(t),若 f(t)→yzs(t),则 af(t)→ayzs(t)。
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圣才电子书 十万种考研考证电子书、题库视频学习平台
6.信号 f1(t)和 f2(t)的波形如图 1-1-1 所示,设 y(t)=f1(t)*f2(t),则 y(4) 等于( )。[西安电子科技大学 2013 研]
A.2 B.4
图 1-1-1ห้องสมุดไป่ตู้
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圣才电子书
C.6
十万种考研考证电子书、题库视频学习平台
D.8
【答案】A
圣才电子书
十万种考研考证电子书、题库视频学习平台
第一部分 考研真题精选
一、选择题
1.信号 x[k]=2cos[πk/4]+sin[πk/8]-2cos[πk/2+π/6]的周期是( )。[中山大 学 2010 研]
A.8 B.16 C.2 D.4 【答案】B 【解析】根据周期的定义 T=2π/ω,cos(πk/4),sin(πk/8),cos(πk/2+π/6) 的最小正周期分别为 8、16、4,取最小公倍数,所以 x[k]的周期为 16。
9.已知一双边序列
xn
an,n bn,n
0
a
0
b
,其
Z
变换为(
)。[北京邮
电大学 2009 研]
A.z(a-b)/[(z-a)(z-b)],a<|z|<b
B.(-z)/[(z-a)(z-b)],|z|≤a,|z|≤b
C.z/[(z-a)(z-b)],a<|z|<b
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1 / 29 十万种考研考证电子书、题库视频学习平台 圣才电子书 www.100xuexi.com
2018年中山大学240英语(单考)考研真题及详解 Section I: Use of English (10 points) Directions: Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on the ANSWER SHEET. Enter the information age. Information is the raw material for many of the business activities shaping this new era. (1)_____ Iron and steel were the basic commodities in the dawning of the industrial age. The world’s knowledge is said to be doubling every eight years. This knowledge (2)_____ is stimulating economic progress. The need to collect, analyze, and communicate large quantities of information is spawning new products and services, creating jobs, and (3)_____ career opportunities. The information age is generally considered to be a phenomenon of the service (4)_____ of the economy, (5)_____ a product of heavy industry. Certainly, (6)_____ information technologies are creating new capabilities in knowledge-base service spheres. But changes just as dramatic are (7)_____ industry, giving people the opportunity to do challenging work in exciting new ways. Manufacturing is a full (8)_____ in the information age. From (9)_____ to production, the manufacturing process has long been information-intensive. It always has required exacting communication to describe what goes into products and (10)_____ to make them. Now, computer technology is giving factory managers 2 / 29
十万种考研考证电子书、题库视频学习平台 圣才电子书 www.100xuexi.com
new capability to gather all of this information and use it to control production.
Telecommunication is producing error-free communication between the design office and the factory, computer-aided design is enabling engineers to evaluate product (11)_____ and manufacturing processes (12)_____ video displays, before (13)_____ are committed to build and test (14)_____ . Techniques like these are bringing about new advances in manufacturing productivity. Just as coal fueled the transformation to an industrial society, (15)_____ micro-electronics powering the rise of the information age. Microelectronic information-management tools are strengthening U. S industrial (16)_____ , (17)_____ remains vital to America’s economic well-being and national security. More and more manufacturing companies are (18)_____ that the wise of information can give them a competitive (19)_____ . As companies emphasize powerful information management, talented people will continue to find ways to make factories and mills with increased (20)_____ . 1. [A] As soon as [B] As long as [C] Just as [D] As much as 2. [A] explosion [B] exploitation [C] expression [D] tension 3 / 29
十万种考研考证电子书、题库视频学习平台 圣才电子书 www.100xuexi.com
3. [A] enlarging
[B] stimulating [C] strengthening [D] widening 4. [A] section [B] department [C] category [D] sector 5. [A] other than [B] better than [C] rather than [D] more than 6. [A] rising [B] raising [C] burgeoning [D] approaching 7. [A] transmitting [B] transporting [C] translating [D] transforming 8. [A] client [B] participant 4 / 29
十万种考研考证电子书、题库视频学习平台 圣才电子书 www.100xuexi.com
[C] part
[D] subject 9. [A] design [B] plan [C] schedule [D] sale 10. [A] what [B] who [C] how [D] when 11. [A] performance [B] behavior [C] action [D] reaction 12. [A] in [B] by [C] over [D] on 13. [A] sources [B] materials [C] resources [D] capitals 5 / 29
十万种考研考证电子书、题库视频学习平台 圣才电子书 www.100xuexi.com
14. [A] origins
[B] pioneers [C] drafts [D] prototypes 15. [A] but [B] as [C] so [D] like 16. [A] capability [B] capacity [C] competency [D] potential 17. [A] that [B] where [C] what [D] which 18. [A] supposing [B] estimating [C] recognizing [D] thinking 19. [A] edge [B] side 6 / 29
十万种考研考证电子书、题库视频学习平台 圣才电子书 www.100xuexi.com
[C] border
[D] margin 20. [A] production [B] product [C] productivity [D] productive 【答案与解析】 1.C 上一句提到信息是现代社会的原材料,下一句提到钢铁是工业时代的基本用品,可见,是将信息在现代社会的地位与钢铁在工业时代的地位进行类比,故选C。 2.A explosion爆炸。exploitation开发。expression表达。tension张力。将四个选项代入句子,只有A项最合适。句意为“知识爆炸刺激了经济发展”。 3.D 从上文的信息创造了更多就业,可以看出,此处是扩大了就业机会,故选D。 4.D 从选项中可以看出此处要填的是“服务业”,即“service sector”,故选D。 5.A 此句的意思是“不同于重工业的产品,信息时代是服务业的一种现象”,“other than”意为“不同于”。故选A. 6.C “burgeoning”常用来形容迅速发展的产业或行业,在此处用来修饰信息技术行业最合适,故选C。 7.D transform转变。transmit传输,传播。transport运输。translate翻译。此句意为工业的转变使人们可以挑战新的工作方式。故选D。 8.B 下一句中提到的整个生产过程是信息密集型的,可见在信息时代,制造业是参与者。故选B。 9.A “从设计到产品”这是生产的整个过程,故选A。