用括号中单词的正确形式填空Ancient Greece The Greeks were the greatest （great) sailors of their time.

Ancient Greece

The Greeks were the greatest (great) sailors of their time. Greece has one excellent_ 41_ (nature) feature-- the coastline. That's why many Greeks left the mountains and_ 42_ (take) to the sea.

The ancient Greeks have __43_ (give) the world many ideas about life and how to live it. The idea of democracy (民主) started in Greece. So did many ideas of science, religion and_44 (govern). But these ideas did not come out of Greece as a whole. Instead, they grew up in_ 45___ (differ) cities throughout the Greek Empire.

The cities of Greece grew up in valleys near the sea. Each city was_ 46__ (separate) from the others by mountains. The roads _ 47 _ (connect) the cities were narrow and winding. Each city governed itself in its own way. And the_ 48__ (citizen) of each city were very proud of its way of life. In fact, each city was_ 49_ (real) an independent state. Such places are called city-states by_ 50_ (politics) scientists.