2. 考研
  3. A. noxious B. demands C. in the future D. intensified Phrases: A. agriculture will have to be【T13】______ B. Water problems【T14】

A. noxious B. demands C. in the future D. intensified Phrases: A. agriculture will have to be【T13】______ B. Water problems【T14】

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问题 A. noxious
B. demands
C. in the future
D. intensified
Phrases:
A. agriculture will have to be【T13】______
B. Water problems【T14】______will become more intense and more complex
C. On the other hand, increasing 【T15】______for water will decrease substantially the amount of water available for diluting wastes
D. and many of these will contain chemicals which are 【T16】______
    【T17】______. Our increasing population will tremendously increase urban wastes, primarily sewage. 【T18】______. Rapidly expanding industries which involve more and more complex chemical processes will produce larger volumes of liquid wastes, 【T19】______. To feed our rapidly expanding population , 【T20】______. This will involve ever-increasing quantities of agricultural chemicals.
【T17】
选项 A、 
B、 
C、 
D、 
答案B
解析 段首一般是本段的主题思想。B项符合。
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