[单项选择]Passage Three Questions 71 to 75 are based on the following passage: The whole industrial process, which makes many of the goods and machines we need and use in our daily lives, will unavoidably create a number of waste products which upset the environmental balance. Many of these waste products can be prevented or disposed of (处置) properly, but clearly while more and more new goods are produced and made complex, there will be new, dangerous wastes to be disposed of, for example, the waste products from nuclear power stations. Many people see pollution as only part of a large and more complex problem, that is, the whole process of industrial production and consumption of goods. Others see the problem mainly in connection with agriculture, where new methods are helping farmers grow more and more on their land to feed our ever-increasing population. Whatever reasons behind it, there is no doubt that much of the pollution caused could be controlled if only companies, governments and pe
A. Doubtful
B. Excited
C. Hopeful
D. Disappointed