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【单选题】
According to the text, what is NOT correct about copyright protection?A.
A copyright is the exclusive legal right.
B.
Copyright law protects music, art, drawings, movies and computer software.
C.
Copyright law prohibits copying of intellectual property without the permission of the copyright holder.
D.
As a copyright holder, you must register your idea with the government to get protection.
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】下列哪种表述是正确的 ?
A.
与短期债券相比 ， 长期债券的当期收 益率可以很好地近似到期收益率
B.
息票债券和贴现发行债券中 ， 价格和 利率的变化方向是相反的
C.
距离到期日越远 ， 利率同等幅度的变 动所引起的债券价格变动就越大
D.
息票债券发行后 ， 其息票利率就是固 定的
E.
上述表述都是正确的
【单选题】听力原文： Leonardo da Vinci was born in 1452 in Tuscany. As early as 1466, he was working in a workshop. Then in 1482 he moved to Milan. After the plague has swept the city of Milan in 1484～ 1485, he turn...
A.
25.
B.
30.
C.
35.
D.
40.
【单选题】What has happened to the children of working mothers?
A.
They are in government-supported day care centers.
B.
They are in private day care centers.
C.
Their grandmothers take care of them.
D.
They are sent to boarding school.
【单选题】Cold ______ the night air was, he slept soundly because he was so tired after working for a whole day.
A.
although
B.
while
C.
however
D.
as
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