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【单选题】
关于接口哪个正确?A.
实现一个接口必须实现接口的所有方法
B.
一个类可以实现多个接口
C.
接口间不能有继承关系
D.
接口和抽象类是同一
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反馈参考答案：
举一反三
【单选题】( )is a device used by fiction writers to show something which happened before the present action , a moment earlier in time than the main story.
A.
Repetition
B.
Allusion
C.
Flashback
D.
Coda
【单选题】Everyone should do something _________ wild animals. [ ]
A.
to protect
B.
protecting
C.
protect
D.
to protecting
【单选题】Why didn't Lee C. Bollinger present something more about the violation?
A.
To protect the privacy of the students.
B.
It was not allowed by the board of the university.
C.
Most of the students escaped during the scuffle.
D.
To prevent a revealment of the violation.
【判断题】哈勒斯和巴彻勒工作室等动画工作室创作中都力图学习并接受美国的惯例,强调努力采纳美国的商业形式,而不是以独特的英国方式,个性化的经验,以及与欧洲艺术、图形、动画传统的联系。
A.
正确
B.
错误
【单选题】It can be seen from the passage that in the second stage ______ .
A.
some traditional goods and services were not successful when provided by the home economy
B.
the market economy provided new goods and services never produced by the home economy
C.
producing traditional goods at home became socially unacceptable
D.
whether new goods and services were produced by the home economy became irrelevant
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