Long ago, a high tower was built. The
tower was in the town of Pisa in Italy. It was a beautiful bell tower. But soon the tower did something strange. It began to lean to one side. The tower leaned and leaned. After a while, people gave the tower a new name. They called it the Leaning Tower of Pisa. Millions of people visit Pisa every year. They go there just to see the Leaning Tower. Will the tower ever fall No one knows. |
Long long ago mankind began to use tools. Throughout the world, you can still find the tools which were used over two million years ago. People made such tools by hitting one stone (36) another. By this means, they got pieces from one of the stones. These pieces of stone were always (37) on one side. People utilized them to (38) skin and meat from some animals that were dead, (39) to make other tools from wood. Mankind needed (40) use tools since, unlike other meat-eating (41) , say lions, they did not have sharp teeth. Tools greatly helped people obtain food more (42) .
Tools helped (43) human intelligence as well when human worked with them. The human brain became bigger gradually, and human beings began to invent a growing number of tools. The stone piece was one of the (44) tools that were used by people, and maybe it was (45) . Some scientists hold it was the key (46) huma
A. hard
B. easily
C. nearly
D. almost
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