2. 外语
  3. Genera Technologies has developed a method that determines whether water is clean. Each of the tests costs $42,500.

Genera Technologies has developed a method that determines whether water is clean. Each of the tests costs $42,500.

admin2009-06-15  61
问题 Genera Technologies has developed a method that determines whether water is clean.
Each of the tests costs $42,500.
选项 A、Right
B、Wrong
C、Not mentioned
答案A
解析
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