活性污泥处理废水中有机物的作用过程分为:()阶段和()阶段。
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线圈的几何尺寸确定后,互感电压的大小和相邻线圈的( )成正比
A. 电压
B. 电压变化率
C. 电流
D. 电流变化率
反射阻抗的性质与次级回路总阻抗性质相反的变压器是( )
A. 理想变压器
B. 空芯变压器
C. 实际变压器
具有电阻的两个耦合电感线圈,其中一个线圈接在直流电压源两端已长久,则另一个线圈两端仍存在互感电压。
A. 对
B. 错
Translation—English into Chinese (25 minutes)Directions: This part, numbered 63 through 67, is to test your ability to translate English into Chinese. Each of the sentences (No. 61 to No. 64) is followed by three choices of suggested translation marked A). B). and C). Make the best choice and write the corresponding letter on the Answer Sheet with a single line through the center. And then write your translation of the paragraph (No. 67) in the corresponding space on the Translation/Composition Sheet.63. Having trust in each other is very important because doing business requires good interpersonal relationships.
A) 有了信誉才有助于搞好对别人的关系,也有助于企业的发展。
B) 彼此之间的信任非常重要,因为做生意需要良好的人际关系。
C) 建立良好的人际关系至关重要,因为做生意必须要相互信任。