单选题
公共英语三级
2018-02-01
The underlined word“this”in the first paragraph refers to__________．
A．the use of scientific findings
B．the practice of producing the same parts for a product
C．the human power being replaced by other forms of energy
D．the technology becoming the encouragement of historical change
参考答案
C
答案解析
理解题。单词this指上文“other forms of energy have taken the place of human power．”(其他形式的能源已经代替了人类的劳动力)的内容。所以此题选择C。
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