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【简答题】
晶闸管整流电路的换相重叠角与（）、（）和负载电流有关。
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反馈参考答案：
举一反三
【简答题】A．Looking at some photographs. B．Selling cameras. C．Teaching a photography class D．Repairing camera equipment.
【简答题】列出5种使用能量分离剂(ESA)和5种使用物质分离剂(MSA)的分离操作。
【单选题】What did the pilot do with the plane after it took off?
A.
He quickly climbed and then stopped the engines.
B.
He climbed and then made the plane fall slowly.
C.
He took off normally and then cut the engines for 20 seconds.
D.
He climbed and then made the plane turn over.
【单选题】He is applying everything he learned in photography class at his new job.
A.
using
B.
needing
C.
saying
D.
wanting
【简答题】[A] boom [B] swell [C] deteriorate [D] flourish
【单选题】下列护理目标的陈述,正确的是
A.
病人了解糖尿病饮食方面的知识
B.
病人免疫力增强
C.
护士教会病人注射胰岛素的正确方法
D.
病人在出院前学会自测血糖
E.
病人血糖降低
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