单项选择题

语料库索引可对同义词群提供丰富的用法和语境。（）

A．对
B．错

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答案：错误

单项选择题

_________ that they may eventually reduce the amount of labor needed on construction sites by 90 percent.

A．So clever are the construction robots
B．Such construction robots are clever
C．So clever the construction robots
D．Such clever construction robots are