单选题：Even in a highly modernized country, manual work is still ne

题目内容：

Even in a highly modernized country, manual work is still needed. A．physical
B．mental
C．natural
D．hard

参考答案：

答案解析：

The workers in that factory manufacture furniture.

The workers in that factory manufacture furniture.A．promote B．paint C．produce D．

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回答题Robots1. Most sophisticated (先进的) Japanese robots, which have vision systems

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