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人的记忆力会随着岁月的流逝而衰退，写作可以弥补记忆的不足，将曾经的人生经历和感悟记录下来，也便于保存一份美好的回忆。那么我们该如何写一篇较为完美的范文呢？下面我
人的记忆力会随着岁月的流逝而衰退，写作可以弥补记忆的不足，将曾经的人生经历和感悟记录下来，也便于保存一份美好的回忆。那么我们该如何写一篇较为完美的范文呢？下面我给大家整理了一些优秀范文，希望能够帮助到大家，我们一起来看一看吧。
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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__ 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 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 r 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 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 former.,like air and water,were in _13__ abundance that economists had no concern for all,economists is the _14__ of scarcity and what to do about many of these "free goods" are _15__ very expensive to tion 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 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
12) a seperate b divide c cut d divided
13) a a so b great c such d such an
14) a study b form c means d source
15) a particularly b in practice c pracitally d in reality
16) a cheaper b more expensive c expensive d cheap
17) a pay for bwill pay for c use d will use
18) a the b with c for d also
19) a cleaning b in cleaning c about cleaning d clean
20) a they can be b they must be
c must they be d can they be
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