本文收集整理了雅思阅读练习题。雅思阅读备考中，同学们需要选择一些难度恰当的练习题来练习并检测自己的复习效果。

In the earliest stages of man's development he had no more need of money than animals have. He was content with very simple forms of shelter, made his own rough tools and weapons and could provide food and clothing for himself and his family from natural materials around him. As he became more civilized, however, he began to want better shelter, more ficient tools and weapons, and more comfortable and more lasting clothing than could be provided by his own neighborhood or by the work of his own unskilled hands. For these things he had to turn to the skilled people such as smiths, leather workers or carpenters. It was then that the question of payment arose.

At first he got what he wanted by a simple process of exchange. The smith who had not the time to look after land or cattle was glad to take meat or grain from the farmer in exchange for an axe or a plough. But as more and more goods which had no fixed exchange value came on the market, exchange became too complicated to be satisfactory. Another problem arose when those who made things wanted to get stocks of wood or leather, or iron, but had nothing to offer in exchange until their finished goods were ready.

Thus the difficulties of exchange led by degrees to the inventioaxe by giving him some meat or grain, gave him so many shells. If the smith had any shells lt when he had bought his food, he could get stocks of the raw materials of his trade. In some countries quite large things such as cows or camels or even big flat stones were used for trade. Later, pieces of metal, bearing values according to the rarity of the metal and the size of the pieces, or coins were used. Money as we know it had arrived.

1. Exchange of goods became difficult because _________.

A man became more civilized

B smiths began to look after land or cattle in their spare time

C more and more goods which had no fixed exchange values came to the marker

D farmers hadn't enough grain or meat to provide for skilled workers

2. Money was not used until _______.

A paper was invented

B people practiced a simple process of exchange

C nothing could be offered in exchange

D the exchange of one thing for another became too complicated

3. The best title for this passage is _____.

A What is money

B What are money's functions.

C The importance of money

D The beginning of money

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