【简答题】接近同步转速的发电机投入系统,随后给发电机加上励磁,在原动转矩、同步力矩作用下将发电机拉人同步,完成并列操作,称为_______。
【单选题】The crowd stood in _______ silence as the funeral procession went by.
【单选题】Among the big crowd ______ the giant.
【单选题】The crowd stood in _____ silence as the funeral procession went by. [ ]
【单选题】— How could you ________ my sister so easily in the crowd? — Because she stood out in her red dress.
【单选题】下列句子中标点符号的使用,正确的一句是( ) A .秦汉以后,皇帝的进餐按礼节制分为四餐。《白虎通义》云: “ 平旦食,少阳之始也,昼食,太阳之始也,晡食,少阴之始也,莫食,太阴之始也。 ” B .研究资料表明, “ 人类智力受遗传影响的程度在 70% ~ 80% ,某些具体的智力行为可能特别依赖于遗传因素 ” 。 ( 《自然辩证法百科全书》第 412 页 ) C .面对着使她四年以来历经悲苦、痛...
【单选题】At the airport I recognized her easily because her red hair _______ in the crowd. [ ]
【单选题】下列对社会主义民主与社会主义法制辩证关系的认知,正确的是( )
【单选题】He ________ as the tallest boy in the crowd, so I spotted him easily.
【单选题】自同步并列是将未加励磁和接近()的发电机投入系统,随后给发电机加上励磁,在原动机转矩、同步力矩的作用下将发电机拉入同步,完成并列操作。