In the squirrel-cage motor, the speed of the rotor is _______ than the speed of the magnetic field.
A.
greater
B.
less
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【单选题】“But, while, however, although, first, nevertheless, otherwise, yet, on the contrary, instead” are the signal words of transition relation. (True or False question.)
【简答题】Nevertheless, while you cannot expect to gain a good_________ of English without sustained hard work, there are various helpful learning strategies you can employ to make the task easier.