英语视听说Book4_Unit1.2.3.4.6.9.10网上作业答案(14)

2. In the Stone Age, people exchanged things like salt or cattle. But of course the

problem is that the things yo

u Your answer exchanged don't lost 3.

. Correct answer exchange don't last

And of course, money's also very easily. Your answer a lot of use 4.

. You can carry it around with you Correct answer a lot easier to use

in Lydia around 700 BC. Your answer Correct answer Coins then appeared 5. Lydia was a country in what's now known as Turkey. Then other countries

followed their example and Your answer stared producing them 6.

. Correct answer started producing them

So as well as being long—lasting and convenient, paper money is that they have a standard value. Your answer Correct answer a big advantage of

coins and

7. They're what's known as representative money. Every coin or paper note

that doesn't depend on the actual value of the paper or metal. Your answer has certern value 8. Correct answer has a certain value

They Your answer exchanged things

for promissory notes. Correct answer exchanged the grain

9. So over a great many centuries banks became places where money was deposited and lent. And they guaranteed that a note of a certain value could be

exchanged for Your answer a certain of silvey 10.

. Correct answer a certain amount of silver

The gold standard was applied all over the world from was slowly abandoned. Your answer 1870 to 1915 Correct answer 1870 to 1915

but it