问题
单项选择题
发明专利权、实用新型和外观设计专利权的期限不同，其正确的选项是：
A．前者为20年，后者为10年
B．前者为10年，后者为20年
C．前者后者均为10年
D．前者后者均为20年
答案
参考答案：A
解析： 我国《专利法》第四十二条规定，发明专利权的期限为二十年，实用新型专利权和外观设计专利权的期限为十年，均自申请之日起计算。
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发明专利权、实用新型和外观设计专利权的期限不同，其正确的选项是：
A．前者为20年，后者为10年
B．前者为10年，后者为20年
C．前者后者均为10年
D．前者后者均为20年
参考答案：A
解析： 我国《专利法》第四十二条规定，发明专利权的期限为二十年，实用新型专利权和外观设计专利权的期限为十年，均自申请之日起计算。
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message. People communicate with words. Do you think you can communicate without words? Tears (泪) in your eyes tell others that you are sad. 1______ When you put up your hand in class, the teacher knows you want to say something or ask questions. You shake your head, and people know you are saying no. 2______ Other things can also give some information. For example, a sign at the bus stop helps you to know which bus to take. A sign on the wall of your school helps you to find the library. ______ There are a lot of signs around you and you receive messages from them all the time. People can communicate in many other ways. An artist can use his pictures to tell about beautiful mountains, about the blue sea and many other things. ______ They also tell about people and their ideas. Books, magazines, TV, radio and movies all help us to communicate with other people. They all help us to know what is going on in the world. |