英语单选题模拟汇编，绝对的有价值。
1.（2010·山东东营一中高三上第一次阶段检测） 30. If we go on using energy so wastefully, _____ are that our oil wells will be dried up before new energy sources can be found to replace oil.
A. chances B. realities C. references D. tensions
2.（2010·山东圣泽中英文学校高三上第一次阶段测试） 31. Many new _______ will be opened up in the future for those with a university degree.
A. realities B. necessaries
C. opportunities D. probabilities
