2013年英语专业四级考试阅读基础练习题(附答案)1
Human beings have used tools for a very long time. In some parts of the world you can still find tools that people used more than two million years ago. They made these tools by hitting one stone against another. In this way, they broke off pieces from one of the stones. These chips of stone were usually sharp on one side. People used them for cutting meat and skin from dead animals,and also for making other tools out of wood.
Human beings needed to use tools because they did not have sharp teeth like other meat eating animals,such as lions and tigers. Tools helped people to get food more easily. Working with tools also helped to develop human intelligence. The human brain grew bigger,and human beings began to invent more and more tools and machines. The stone chip was one of the first tools that people used,and perhaps it is the most important. Some scientists say that it was the key to success of mankind.
1. The stone chip is thought to be the most important tool because it ______.
A. was one of the first tools
B. developed human capabilities
C. led to the invention of machines
D. was crucial to the development of mankind
2. At the end of the passage the author seems to suggest that life in future is ______.
A. disastrous B. unpredictable C. exciting D. colorful
答案:DB
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