题目内容

打印机从下列系统接收信号和指令()

ACARS
B. FDRS
C. GPS

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21/21易位携带者,其下一代的患病率为()

A. 1%
B. 2%
C. 4%
D. 10%
E. 100%

碱性炉渣中的(SiO2)超过一定值后会使炉渣变粘。

A. 正确
B. 错误

一个人的兴趣可以培养,但性格是不能改变的。

A. 正确
B. 错误

Assume that country is set for each class. Given: 10. public class Money { 11. private String country, name; 12. public getCountry() { return country; } 13.} and: 24. class Yen extends Money { 25. public String getCountry() { return super.country; } 26. } 27. 28. class Euro extends Money { 29. public String getCountry(String timeZone) { 30. return super.getCountry(); 31. } 32. } Which two are correct?()

A. Yen returns correct values.
B. Euro returns correct values.
C. An exception is thrown at runtime.
D. Yen and Euro both return correct values.
E. Compilation fails because of an error at line 25.
F. Compilation fails because of an error at line 30.

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