2017下半年pets4完型填空模拟题及答案

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　　导语：完形填空是一种联系上下文，根据背景材料，选词填空的题目。下面YJBYS小编给大家提供2017下半年pets4完型填空模拟题，做完记得对答案哦!

　　Information Technology

　　1982 was the year of information technology in Great Britain. But what exactly is infotech? 85% of the people __1___ recently had not a clue what it means, __2___53% of those polled said they thought it sounded pretty important.They were __3___.It is.So what is it? Well, put simply,it is the "marry-up"of products__4___several key industries:computers, telephone, televisions, satellites.

　　It means __5___ microelectronics, telecommunication networks fibre optics__6___produce,store,obtain and send information by way of words,numbers,pictures and sound__7___and efficiency than ever before.

　　The __8__ infotech is having and is going to have on our lives and work is tremendous.It is already linking the skills of the space industry with __9___ of cable television,so programmes can be beamed directly into our homes ___10__ all over the world. Armies of "steel collar"workers,the robots,will soon be working in factories doing the boring,complex and __11___jobs which are at present still done by man. In some areas __12___the car industry this has already started. television will also be used to enable customers __13___from the comfort of their homes by simply ordering___14__ the TV screen, payment being made by direct debit of their credit cards.The automatic booking of tickets will also be done through the television__15___ .Cable television __16___in many countries now gives a choice of ___17__ channels will soon be used to___18___ our homes by operating burglar and fire alarms ___19___to police and fire stations.Computers will run our homes,controling the heating,air-conditioned and cooking systems ___20___ robot will cope with the housework.the friendly postman will be a thing of the past as the post service and letters disappear with the electronic mail received via viewdata screens.

　　1) A polling B being polled C polled D having been polled

　　2) A so B although C however D but

　　3) A right B wrong C mad D crazy

　　4) A from B in C to D for

　　5) A to use B to be used C being used D using

　　6) A to help B to helping C to be helped D to being helped

　　7) A very quickly B more quickly C quicklier D most quickly

　　8) A force B affect C impact D control

　　9) A those B that C which D the one

　　10) A from B in C across D thoughtout

　　11) A interesting B dull C unpleasant D happy

　　12) A for example B for instance C like D such as

　　13) A shop B to shop C shopping D to shopping

　　14) A on B via C within D by

　　15) A screen B machine C set D show

　　16) A where B in which C which D it

　　17) A a dozen Bdozen C dozen of D dozens of

　　18) A protect B clean C run D manage

　　19) A related B associated C linked D joined

　　20) A while B because C since D for

　　参考答案:

　　1--5 CBAAD　6--10 ABCAA

　　11--15 CDBBA 11--15 CDACA

　　The Central Problem of Economics

　　The central problem of economics is to satisfy the people's and nation's wants.

　　The problem we faced with is that our resources,here identified as money are _1__.

　　The only way we can solve the problem is to _2__ choices.After looking at our resources,we must examine our list of _3__ and identify the things we need immediately , _4_ we can postpone,and those we cannot afford.As individuals,we face the central problem involved in economics---decideing how to allocate our limited resources to _5__ ourselves with greatest satisfaction of our wants.

　　Nations face __6_ problem. As a country's population_7__, the need for more goods and services grows correspondingly. Resources necessary to production may increase,but there _8__ are enough resources to satisfy the total desires of a nation.Whether the budget meeting is _9__ in the family living room,in the conference room of the corporation __10_ of directors,or in the chamber of the House of Representatives in Washington,the basic problem still exists.We need to find _11__ of allocating limited resources in order to satisfy unlimited wants.

　　A short time ago,economists _12__ goods into two categories,free and economic.The former.,like air and water,were in _13__ abundance that economists had no concern for them.After all,economists is the _14__ of scarcity and what to do about it.Today many of these "free goods" are _15__ very expensive to use.Population has made clean air and water _16__ for producers who have to filter their waste products,for consumers who ultimately _17__ the producer's extra cost,and _18__ taxpayers who pay for the government's involvement _19__ the environment.

　　In the 1990s,almost all goods are scares.Only by effort and money_20__ obtained in the from people wish.

　　1) A abundant B scarce C limited D unlimited

　　2) A have B do C make D ask

　　3) A want B resources C want D problem

　　4) A some B others C that D those

　　5) A bring B provide C take D satisfy

　　6) A another B the same C the other D a same

　　7) A growing B grown C grows D grow

　　8) A sometimes B always C often D never

　　9) A taking place B happening C replacing D taking the place

　　10) A board B group C management D function

　　11) A means B approach C ways D method