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更多“A material exhibits an enduran…”相关的问题
The museum has enough exhibits to keep anyone ______ for an hour or two.
A．devoted
B．surrounded
C．occupied
D．applied
A) illustrations
B) performances
C) expositions
D)exhibits
听力原文：W: Would you like to go and see the new exhibits with us？
M: That's the last thing in the world l ever want to do.
Q: What does the man mean？
(17)
A．He is often asked to go and see exhibits.
B．He would like to go and see the exhibits.
C．He went to see the exhibits last year.
D．He definitely doesn't want to go.
A．When your child occasionally complains about a physical discomfort like headache.
B．When the symptoms interfere with your child's ability to function at home or in school.
C．When your child grieves over a loss for days at a time.
D．When your child exhibits all the symptoms of depression.
一家企业的生产函数随着产出的增加是否可能出现规模报酬递增、不变、递减三种情况？请讨论。
Can a firm have a production function that exhibits increasing returns to scale，constant returns to scale, and decreasing returns to scale as output increases？ Discuss.
Among isolated peoples ,who are not often reached by traders from outside ,commerce usually means barter ,which is a direct exchange of goods .Perhaps it is fish for vegetables or meat for baskets .For this kind of simple trading, money is not needed ,but there is often something that everyone wants ,such as salt to flavor food, shells for necklaces ,or iron and copper to make into tools. These things — salt ,shells or metals — are still used as money in out-of-the-way parts of the world today.
Salt may seem rather a strange material to use as money ,but in countries where the food of the people is mainly vegetables ,it is often an absolute necessity .Cakes of salt ,stamped to show their value ,were used as money in Tibet until recent times, and they can still buy goods in parts of Africa.
Cowrie seashells have been used as money at some time or another over the greater part of the Old World. These were collected mainly from the beaches of the Maldive Islands in the Indian Ocean ,and were traded to India and China. In Africa ,cowries were traded right across the continent from East to West .Four or five thousand went for one Maria Theresa dollar ,an Australian silver coin which was once accepted as currency (货币) in many parts of Africa.
Metal was used as money in many parts of the world .Iron ,in lumps ,bars or rings is still used in many countries instead of money .It can either be exchanged for goods ,or made into tools or weapons. The early money of China ,apart from shells ,was of bronze ,often in flat ,round pieces with a hole in the middle ,called ‘ cash ’.The earliest of these are between three thousand and four thousand years old — older than the earliest coins of the eastern Mediterranean.
Nowadays ,coins and notes have supplanted nearly all the more picturesque forms of money ,and although in one or two of the more remote countries people still store it for future use ,primitive money will soon be found only in museums.
1.Nowadays we think of money as() .
A.pieces of metal or metallic paper
B.made of either metal or paper
C.some printed notes and papers
D.round and flat sheets of paper
2.In some parts of the world a traveler might go hungry() .
A.even if his money was of the local kind
B.even if he had no coins or notes
C.if he did not know the local rate of exchange
D.even if he had plenty of ready money
3.What can we infer from the passage？
A.Isolated peoples exchange goods by means of barter.
B.Salt cakes are taking the place of picturesque forms.
C.Seashells could be traded with Maria Theresa dollars.
D.The Chinese were among the earliest users of metal ‘ cash ’.
4.Primitive types of money will be used ().
A.to replace more picturesque forms
B.as exhibits to be shown in public
C.at local country markets and shops
D.as entrance tickets in museums
A.Bond Cleavage
B.Depletion of Material
C.Deformation of Material
D.Lattice Defects
B.Maintain a material status in the material master data which generates an error message, when you try to purchase the material
C.Maintain a material status in the material master data which generates an error message, when you try to save a goods receipt
D.Delete the material master record
