更多"The history of human civilization i"的相关试题:
[单项选择]The history of human civilization is entwined (交织) with the history of the ways we have learned to manipulate water resources. As towns gradually (67) , water was brought from increasingly sources, leading to (68) engineering efforts such as dams.
During the industrial revolution and population (69) of the 19th and 20th centuries, the demand for water rose (70) . Unprecedented construction of tens of thousands of engineering projects brought great (71) to hundreds of millions of people. Food production has kept (72) with soaring populations mainly because of the expansion of artificial irrigation systems that make possible the growth of 40% of the world’s food. Nearly one fifth of all the electricity worldwide is (73) by turbines (涡轮) spun by the power of falling water. Yet there is a dark side to this picture: (74) our progress, half of the world’s population still (75) , with water services access