【单选题】昨日はいい天気だった( )、今日は雨です。
【简答题】“”中的“两种制度”是平分秋色的。( )
【多选题】营销管理的任务就是要调整市场()以实现企业目标。
【单选题】今日はいいお天気です。 、 昨日は雨でした。
【单选题】Vocabulary and Structure: With “classical” electronics, electrical currents and voltage are used to carry information, whereas with power electronics, they carry .
【单选题】Choose the correct words or phrases to complete the sentences. Solar power can also be used to power portable electronics, ____ direct sunlight is usually not a readily available source of energy for ...
【简答题】昨日はいい天気でした 。 今日は雨です 。
【单选题】Vocabulary and Structure: Power electronics is the application of for the control and conversion of electric power.
B.
solid-state electronics
【简答题】The capabilities and economy ofpower electronics system are determined by the that are available.