题目内容：
Fossil fuels are non-renewable, so we need to find alternative energy sources.
参考答案：
选择题：Fossil fuels are non-renewable, so we need to find
- 题目分类：英语（专升本）
- 题目类型：选择题
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They are (A.looking; B. searching) the woods for t
They are (A.looking; B. searching) the woods for the missing child.
Unlike Americans, who seem to prefer coffee,______
Unlike Americans, who seem to prefer coffee,______ a great deal of tea.AEnglish
能全面反映总体各单位标志值变异程度的指标有A、平均数B、全距C、平均差D、标准差E、标准差系数
能全面反映总体各单位标志值变异程度的指标有A、平均数B、全距C、平均差D、标准差E、标准差系数
We have done things we ought not to have done and
We have done things we ought not to have done and _______ undone things we ought
7. He could neither read or write.
7. He could neither read or write.