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【单选题】
在革命斗争中,对被打倒的反动阶级成员和反动分子( )A.
消灭敌人的有生力量
B.
残酷斗争、无情打击
C.
只要不造反、不捣乱，都给予生活出路
D.
惩前毖后、治病救人
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【单选题】According to an expert, when children reach school age, they cannot help their parents learn what can and cannot be done.
A.
√
B.
╳
【简答题】Translation : What is done cannot be undone.
【简答题】What cannot be done and why? prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace> She can’t clean the , because there is no .
【简答题】晶闸管的英文缩写是( )。(请用大写表示)
【单选题】If the meter needle of the oxygen indicator cannot be set to zero，what should be done ________．
A.
Replace the batteries
B.
Check the sampling tube for blockage
C.
Adjust the final reading by the amount the needle is displaced from zero
D.
Replace the platinum filament
【简答题】What extra support can be done over RTP and RTCP that cannot be done over UDP?
【简答题】门极可关断晶闸管的英文缩写是( )(请用大写表示)
【简答题】IGCT是集成门极换流晶闸管____的英文缩写。
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