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【单选题】
51~65 Cost as a Factor in Supply In a purely competitive market,the supplier of goods and services has no control over.the market 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 all if he charges at or________ (2)the market price.However, in considering the price,he must take the________ (3)of production into consideration.There are times when he may be willing to sell below his cost.This might happen when prices tumble for________ (4)he believes will be a short time.However, no business person can________ (5)to lose money for a prolonged period.He must be constantly________ (6)of his costs in relation to the market price if he is to compete successfully and earn a profit. Many people have the impression that as production increases。costs per unit decrease.________ (7)mass production has made this true in certain industries and at certain levels of production,________ (8)logic and practical experiences have shown that costs per unit begin to rise beyond a certain level of production.Some economists________(9)to this principle as the law of increasing costs. The reason costs rise as production goes up is________ (10).However, it is easy to recognize that as production goes up.the need for additional factors of production will also grow,________ (1 1)competitive bidding in the marketplace for the factors of production.If a producer needs________ (12)skilled labor to produce more,and none of this labor is unemployed,the producer will have to get________ (1 3)from other sources.This can be done by________ (14)higher wages.Higher bidding would also apply to the other factors of production.We must also recognize that not all labor is equally productive,________ (15)not all land is equally fertile and not all ore(矿石)is equally rich in the mineral wanted. 第 51 题 请选择(1)处的最佳答案
A.
to
B.
at
C.
of
D.
on
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举一反三
【多选题】下列说法中正确的包括( )。
A.
恐惧越强,亲合倾向越弱
B.
恐惧越强,亲合倾向越强
C.
焦虑越强,亲合倾向越弱
D.
焦虑越强,亲合倾向越强
【多选题】下列说法中正确的包括()。
A.
个体自我评价越高,他的从众行为越少
B.
如果情境很明确,判断事物的客观标准很清晰,从众行为会增加
C.
群体成员的一致性愈高,个体越容易从众
D.
群体规模与其成员的从众性呈线性关系
【判断题】段启明教授认为,对于历史人物的曹操是不存在翻案的问题的。
A.
正确
B.
错误
【多选题】全程导游人员应通过( )等途径对各站的接待服务质量和接待计划落实情况进行检查和监督。
A.
服务类型
B.
计划实施
C.
计划调整
D.
督促改进
E.
审核团费
【多选题】下列说法中正确的包括( )
A.
人格是个体各种心理特点的总和
B.
个体的人格结构相对稳定
C.
人格会影响个体的情感
D.
人格具有独特性
【单选题】数据库领域中主要的逻辑数据模型不包含下列哪种模型( )。
A.
线性模型
B.
网状模型
C.
关系模型
D.
层次模型
【多选题】下列说法中正确的包括( )。
A.
人耳对1000~4000赫兹的声波最敏感
B.
人耳对16~20000赫兹的声波最敏感
C.
老年人首先丧失的是对高频声波的听觉
D.
童年期个体的听觉感受性最高
【多选题】下列说法中正确的包括( )。
A.
个体自我评价越高,他的从众行为越少
B.
如果情境很明确,那么从众行为会增加
C.
群体内部的一致性愈高,成员越容易从众
D.
群体规模与其成员的从众概率呈线性关系
【简答题】下列说法中正确的包括( )。 (A)个体自我评价越高,他的从众行为越少 (B)如果情境很明确。那么从众行为会增加 (c)群体内部的一致性愈高,成员越容易从众 (D)群体规模与其成员的从众概率呈线性关系
【多选题】下列说法中正确的包括( )。
A.
需要具有对象性
B.
人的需要是发展的
C.
社会需要是人特有的
D.
人和动物的自然需要没有区别
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