共15空,每空1分.每题的备选项中,只有1个最符合题意 1、 Cost as a Factor in SupplyIn a purelycompetitive market, the supplier of goods and services has no control over themarket price, because he produces too little to influence market conditions.With no difference between his products and the products __1__ his competitors,he will sell nothing if he charges above the market price and he will sell allif he charges at or __2__ the market price. However, in considering the price,he must take cost of production __3__. There are times when he may be willingto sell below his cost. This might happen when prices tumble for __4__ a shorttime. However, no business person can __5__ lose money for a prolonged period.He must __6__ of his costs in relation to the market price if he is to competesuccessfully and earn a profit.Many people havethe impression that as production increases, costs per unit decrease. __7__mass production has made this true in certain industries and at certain levelsof production, __8__ logic and practical experience have shown that costs perunit begin to rise beyond a certain level of production. Some economists __9__this principle as the law of increasing costs.The reason __10__rise as production goes up is complex. However, it is easy to recognize that asproduction goes up, the need for additional factors of production will alsogrow, resulting __11__ competitive bidding in the marketplace for the factorsof production. If a producer needs __12__ skilled labor to produce more, andnone of this labor is unemployed, the producer will have to get __13__ fromother sources. This can be done by __14__ higher wages. Higher bidding wouldalso apply to the other factors of production. We must also recognize that notall labor is equally productive, __15__ not all land is equally fertile and notall ore is equally rich in the mineral wanted.

1 A. to B.at C.of D. on

2 A. to B.at C.of D. on

3 A. to B.at C.of D. on

4 A. to B.at C.of D. on

5 A. to B.at C.of D. on

6 A. to B.at C.of D. on

7 A. to B.at C.of D. on

8 A. to B.at C.of D. on

9 A. to B.at C.of D. on

10 A. to B.at C.of D. on

11 A. to B.at C.of D. on

12 A. to B.at C.of D. on

13 A. to B.at C.of D. on

14 A. to B.at C.of D. on

15 A. to B.at C.of D. on

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
试题答案与详细解析在下页
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++