B.
C.
D. The water contain little iron and carbon dioxide The water be attractive and of high quality The water standards be appropriate for all sports
69. In the last paragraph, the author mentions all of the follow in its full text?_________
A.water quality necessary for steel mills
B.soft water and hard water for industrial
C.cooling water of low sanitary quality
D.water standards for people mills
70. As the passage is not complete, what do you think would follow in its full text?_________
A.
B.
C.
D. The relationship between carbon dioxide and people making Water pollution’s direct economic effects on man. Examples of continued water pollution. Man’s views on water pollution in terms of beauty values.
7
0【答案】：D
【解析】：前面谈了水污染，后面将谈人们对水污染的看法。注意文章的标题。
【考点定位】：考查文章理解题。