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【单选题】
利用对称分量法分析计算电力系统不对称故障时,( )相作为分析计算的基本组。A.
故障相
B.
特殊相
C.
A相
D.
B相
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皮皮学刷刷变学霸
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【简答题】用动词的适当时态填空。 1. —Oh, what a beautiful song! —Who ________ this song? (sing) 2. —Where ________we________ (meet)? —Let's meet outside the park gate. 3.—Where is Tom? —He ________ (go) to the post office...
【简答题】In the computer age, most of us take a broadband（宽带）Internet connection for granted. Whether cable or mobile broadband, today’s connections are many times faster than those in the early days. Videos p...
【单选题】Broadband(宽带) connections are widely available now, ________ makes online shopping
A.
what
B.
whatever
C.
who
D.
which
【简答题】用动词适当的时态和形式填空: —¿Leen mucho tus compañeros? —No, pero el invierno pasado ______ bastante.
【简答题】用动词的适当时态填空: Lucy and Lily _____(be) twins.
【简答题】broadband cable 宽带电缆
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