高一英语完形填空一篇 答案已给，每题求解析。
Thecentralproblemofeconomicsistosatisfythepeople'sandnation'swants.Theproblemwearefac...
The central problem of economics is to satisfy the people's and nation's wants.
The problem we are faced with is that our resources, here identified as money, are __1__. The only way we can resolve our problem is to make choices. After looking at our resources, we must examine our list of __2__ and identify the things we need immediately, those we can postpone, and __3__ we cannot afford. As individuals, we face the central problem involved in economics-deciding just how to allocate our limited our limited resources to provide __4__ with the greatest satisfaction of our wants.
Nations face the same problem. As a country's population ___5__, the need for more goods and services grows correspondingly. Resources necessary to production may increase, but there __6__ are enough resources to satisfy the total desires of a nation. Whether the budget meeting is taking place in the family living room, in the conference room of the corporation __7__ of directors, or in the chamber of the House of Representatives in Washington, the basic problem still exists. We need to find __8__ of allocating limited resources in order to satisfy unlimited wants.
A short time ago economists divided goods into two categories, free and economic. The former, like air and water, were in __9__ abundance that economists had no concern for them. After all, economics is the __10__ of scarcity and what to do about it. Today many of these "free goods" are __11__ very expensive to use. Pollution has made clean air and water expensive for producers' extra costs, and __12__ taxpayers who pay for the government's involvement in cleaning the environment.
In the 1990s, almost all goods are __13__. Only by effort and money __14__ obtained in the form people wish.
Meeting needs of people and the demands from resource available __15__ the basic activity of production. In trying to meet unlimited wants from limited economic goods, production leads to new problems in economics.
EXERCISE:
1. A) limited B) unlimited C) scarcity D) abundant
2. A) want B) problem C) wants D) resources
3. A) those B) some C) others D) many
4. A) them B) themselves C) ourselves D) ours
5. A) expand B) extends C) grows D) increase
6. A) always B) sometimes C) often D) never
7. A) management B) function C) board D) group
8. A) people B) economists C ) way D) methods
9. A) so B) great C) such D) such an
10. A) form B) study C) means D) source
11. A) practically B) in practice C)in reality D) practicably
12. A) the B) / C) for D) with
13. A) plentiful B) scarce C) abundant D) in full supply
14. A) they can be B) can they be C) they must be D) must they be
15. A) are led to B) leads C) lead to D) leads to
KEY:
A C A C C D C D C B C C B B D 展开
The problem we are faced with is that our resources, here identified as money, are __1__. The only way we can resolve our problem is to make choices. After looking at our resources, we must examine our list of __2__ and identify the things we need immediately, those we can postpone, and __3__ we cannot afford. As individuals, we face the central problem involved in economics-deciding just how to allocate our limited our limited resources to provide __4__ with the greatest satisfaction of our wants.
Nations face the same problem. As a country's population ___5__, the need for more goods and services grows correspondingly. Resources necessary to production may increase, but there __6__ are enough resources to satisfy the total desires of a nation. Whether the budget meeting is taking place in the family living room, in the conference room of the corporation __7__ of directors, or in the chamber of the House of Representatives in Washington, the basic problem still exists. We need to find __8__ of allocating limited resources in order to satisfy unlimited wants.
A short time ago economists divided goods into two categories, free and economic. The former, like air and water, were in __9__ abundance that economists had no concern for them. After all, economics is the __10__ of scarcity and what to do about it. Today many of these "free goods" are __11__ very expensive to use. Pollution has made clean air and water expensive for producers' extra costs, and __12__ taxpayers who pay for the government's involvement in cleaning the environment.
In the 1990s, almost all goods are __13__. Only by effort and money __14__ obtained in the form people wish.
Meeting needs of people and the demands from resource available __15__ the basic activity of production. In trying to meet unlimited wants from limited economic goods, production leads to new problems in economics.
EXERCISE:
1. A) limited B) unlimited C) scarcity D) abundant
2. A) want B) problem C) wants D) resources
3. A) those B) some C) others D) many
4. A) them B) themselves C) ourselves D) ours
5. A) expand B) extends C) grows D) increase
6. A) always B) sometimes C) often D) never
7. A) management B) function C) board D) group
8. A) people B) economists C ) way D) methods
9. A) so B) great C) such D) such an
10. A) form B) study C) means D) source
11. A) practically B) in practice C)in reality D) practicably
12. A) the B) / C) for D) with
13. A) plentiful B) scarce C) abundant D) in full supply
14. A) they can be B) can they be C) they must be D) must they be
15. A) are led to B) leads C) lead to D) leads to
KEY:
A C A C C D C D C B C C B B D 展开
展开全部
1.表示有限的。使用limited。C选项scarcity表示稀少，不太适合。B、D选项意思相反。
2.下文中提到“我们真正立即需要的”故选wants，意为需求。
3.参考前一句“those we can postpone”，用those做宾语从句先行词。
4.“为我们自己”，使用反身代词ourselves。
5.population作为集体名词，修饰其增长应使用grow，若改为the number of population，则应选D：increase。
6.根据句意：从没有足够的资源去满足整个国家的需求。never表否定。
7.“the corporation board of directors”是固定用法，意为公司的董事会。
8.“寻找···的方法”C、D两个选项均可表示方法，但C选项中的way与介词to搭配，故选D。
9.such意为如此，与that搭配。abundance是不可数名词，故不加冠词a。
10.“经济学是对稀缺品的研究”，study表研究。
11.“in reality”在现实中，与理论研究形成对比。
12.与前文的“for producers' extra costs”表并列，“对···来说”。
13.只有scarce表示缺乏。
14.倒装句型。情态动词can置于主语前。be动词用原型。
15.使用主语从句“Meeting needs of people and the demands from resource available”，be动词使用单三形式。
2.下文中提到“我们真正立即需要的”故选wants，意为需求。
3.参考前一句“those we can postpone”，用those做宾语从句先行词。
4.“为我们自己”，使用反身代词ourselves。
5.population作为集体名词，修饰其增长应使用grow，若改为the number of population，则应选D：increase。
6.根据句意：从没有足够的资源去满足整个国家的需求。never表否定。
7.“the corporation board of directors”是固定用法，意为公司的董事会。
8.“寻找···的方法”C、D两个选项均可表示方法，但C选项中的way与介词to搭配，故选D。
9.such意为如此，与that搭配。abundance是不可数名词，故不加冠词a。
10.“经济学是对稀缺品的研究”，study表研究。
11.“in reality”在现实中，与理论研究形成对比。
12.与前文的“for producers' extra costs”表并列，“对···来说”。
13.只有scarce表示缺乏。
14.倒装句型。情态动词can置于主语前。be动词用原型。
15.使用主语从句“Meeting needs of people and the demands from resource available”，be动词使用单三形式。
追问
非常感谢！
还是想问一下：
第3题：为什么不可以用others
第5题：可不可以这样理解，因为population为单数，而这里的increase没有三单一，所以不能选？【还是说population一定要用grow？】
第11题：为什么不能用practically？
非常感谢！！
追答
第三题中如果使用others的话，就意味着那些买不起的东西和之前提到的东西存在并列关系；而事实上，前文指的是很紧急和可以推迟的，因而用others不太合适。
第五题你的理解是对的，increase没有使用单三形式，所以不能选。如果是increases的话，也对。（sorry啊，population也可以用increase）
第十一题：factually 含有实际上的意思，但这个词含有“真实地，确实地”意思，近似于：really。从这个角度上来看，factually不如in reality好。
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