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【单选题】
RLC串联,已知R=10Ω,XL=20Ω,XC=20Ω,下列描述错误的是( )。A.
电路发生谐振
B.
此时电流最小
C.
电路为纯阻性
D.
Q=0
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举一反三
【单选题】I told you that I would buy you a new car, ______.
A.
no matter how it costs
B.
however much it costs
C.
how much does it cost
D.
however does it cost much
【简答题】托盘 根据使用面可以分为( ) 和( ) 。
【单选题】How much do you know about the state and development of Chinese martial arts ? ( )
A.
Nothing was known until the Nanjing Decade
B.
It had little development before the Nanjing Decade.
C.
Since the 1950s , Chinese martial arts are well-developed.
D.
The main function of Central Guoshu Institute aims to compile the survey of martial arts schools.
【简答题】Martial Arts _____
【单选题】To become skilled in martial arts like karate requires extensive ______ and constant dedication.
A.
train
B.
trained
C.
training
D.
to train
【简答题】Martial arts
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