[单项选择]

Security and commodity exchanges are trading posts where people meet who wish to buy or sell. The exchanges themselves do no trading; they merely provide a place where prospective buyers and sellers can meet and conduct their business.
Wall Street, although the best known, is not the only home of exchanges in the United States. There are the cotton exchanges in New Orleans and Chicago; the Mercantile Exchange, which deals in many farm products, in Chicago; and grain exchanges in many of the large cities of the Midwest. Some exchanges, like the Chicago Board of Trade, provide market services for several kinds of products. These trading posts where products may be bought or sold are called commodity exchanges.
The security exchanges, on the other hand, are meeting places where stocks and bonds are traded. Like the commodity exchanges, they help serve the economic life of the country. But when their operations get out of hand, they may become very dangerous. In 1929,
A. securities
B. grain
C. bonds
D. both A and C

[单项选择]

Security and commodity exchanges are trading posts where people meet who wish to buy or sell. The exchanges themselves do no trading; they merely provide a place where prospective buyers and sellers can meet and conduct their business.
Wall Street, although the best known, is not the only home of exchanges in the United States. There are the cotton exchanges in New Orleans and Chicago; the Mercantile Exchange, which deals in many farm products, in Chicago; and grain exchanges in many of the large cities of the Midwest. Some exchanges, like the Chicago Board of Trade, provide market services for several kinds of products. These trading posts where products may be bought or sold are called commodity exchanges.
The security exchanges, on the other hand, are meeting places where stocks and bonds are traded. Like the commodity exchanges, they help serve the economic life of the country. But when their operations get out of hand, they may become very dangerous. In 1929,
A. stocks
B. grain
C. securities
D. all of these

[简答题]What is the Function of stock exchanges

[单项选择]Commodity inspection certifies whether the quality, quantity and the packing of the goods are in compliance ______ the contract requirements or not.
A. to
B. with
C. of
D. that

[单项选择] PRODUCT CATALOGUE

Art. No	Commodity　　Tins Perease　　Net weight/per Tin
C301 C302 C303 C304	Sliced Pork　　 　　60　　　　　　　　　170 Stewed Pork　　 　　36　　　　　　　　　350 Curry Beef　　　　　60　　　　　　　　　201 Stewed Pork Ribs　　36　　　　　　　　　350

A. Curry Beef in a case is not as heavy as Sliced Pork.B. There are more tins in a case for Stewed Pork Ribs than Stewed Pork.C. One case of Stewed Pork Ribs is heavier than one case of Sliced Perk.

[填空题]We accept returns or exchanges within 30 days from the date of the purchase of these cell phones．
A．手机从购买之日起30天内我们接受退换。
B．手机在试用30天之后我们可允许退货。
C．我们同意30天内可购买手机，退货或更换。
D．我们保证30天之内购买的手机，包退包换。

[单项选择]
1．Motion pictures were exhibited to the public in the late 1800s, though the first device to accomplish this would seem very unfamiliar to today’s movie-going audiences.Thomas Edison’s 1893 Kinetoscope was little more than a wooden box with a small glass window. Intended only for individual viewing, it housed a roll of film, a mechanical device to circulate the film, and a small light to illuminate it. A person would peer through the window and watch a short moving sequence, usually just a depiction of an everyday event or the performance of an acrobat or dancer. Needless to say, the medium’s ability to serve only one customer at a time severely limited its profitability.
2．Everything changed two years later with the advent of projection, by which a much larger film image could be shown to multiple viewers simultaneously. The Lumière brothers of France were the first to introd
A. They were greatly influenced by Edison’s earlier inventions.
B. They both were very different from today’s projection devices.
C. Their inventors worked together to create them.
D. They both made more money than the Kinetoscope had.