填空题

Patent systems as we know have been used as a social tool since the Renaissance.

【参考答案】

Y

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填空题

Galileo was granted a patent on a mechanism for raising irrigation water to fields.

问答题

大学生了解社会的必要性2. 了解社会的途径(大众媒介，社会服务等)3. 我打算怎做