单项选择题

专利法第一修正案将实用新型专利权和外观设计专利权的保护期延长为()。

A.5年
B.18年
C.10年
D.15年

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单项选择题

劳动争议仲裁委员会是一个()。

A.协商机构
B.中介服务机构
C.咨询机构
D.带有司法性质的行政执行机构

It can be inferred from Paragraph 6 that______.
A．if one area was struck by natural disasters once, no habitation should be allowed there any more
B．the government shouldn't lift one policy just because it has some unpredicted side effects
C．people living in hazardous places would rather risk their lives for a high insurance compensation
D．the premium the insurance companies charge is not positively correlated with the risk

A.
A．if
B.the
C.people
D.the