Which of the following statements is NOT correct
A. English speaking countries are UK, USA, Canada, India, etc.
B. English-speaking countries are UK, Canada, Australia, New Zealand, etc.
C. English-speaking countries are USA, Canada, Australia, the Republic of Ireland, etc.
D. English-speaking countries are USA, Canada, Australia, Egypt, etc.
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能被碱催化水解的苷是( )
A. 碳苷键
B. 蒽酚苷
C. 糖醛酸苷键
D. 醇苷键
E. 去氧糖苷键
(17) 不需要登记或标注版权标记就能得到保护。
A. 著作权
B. 专利权
C. 商标权
D. 财产权
面向对象的程序设计中， (51) 是把数据及操作数据的相关方法组合在一起，从而可以把类作为软件开发中最基本的复用单元。
A. 继承
B. 封装
C. 多态
D. 聚合
Each program module is compiled separately and the resulting. (71) files are linked ether to make an executable application。
A. assembler
B. library
C. object
D. source
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