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问题 单项选择题

张某有甲、乙、丙三子，张某去世后，没有留下遗嘱。在遗产处理前，甲明确表示放弃继承，乙明确表示要继承，丙没有作出放弃或接受的继承表示，那么丙的行为视为( )。

A．放弃继承
B．接受继承
C．丧失继承权
D．转继承

答案

参考答案：B

解析： 《继承法》第25条第1款规定：“继承开始后，继承人放弃继承的，应当在遗产处理前，作出放弃继承的表示。没有表示的，视为接受继承。”故应选B。

填空题
椭圆一焦点为（0，
5
），且短轴长为4
5
的椭圆标准方程是______．
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单项选择题

Electrical engineers have repeatedly demonstrated that the best solid-state amplifiers are indistinguishable from the best vacuum-tube amplifiers with respect to the characteristics commonly measured in evaluating the quality of an amplifier’s musical reproduction. Therefore, those music lovers who insist that recorded music sounds better when played with the best vacuum-tube amplifier than when played with the best solid-state amplifier must be imagining the difference in quality that they claim to bear.
Which one of the following, if true, most seriously weakens the argument

A．Many people cannot tell from listening to it whether a recording is being played with a very good solid-state amplifier or a very good vacuum-tube amplifier.

B．The range of variation with respect to the quality of musical reproduction is greater for vacuum-tube amplifiers than for solid-state amplifiers.

C．Some of the characteristics that are important in determining how music sounds to a listener cannot be measured.

D．Solid-state amplifiers are more compact, use less power, and generate less heat than vacuum-tube amplifiers that produce a comparable volume of sound.

E．(E) Some vacuum-tube amplifiers are clearly superior to some solid-state amplifiers with respect to the characteristics commonly measured in the laboratory to evaluate the quality of an amplifier’s musical reproduction.
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