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【单选题】
Choose the better version of the sentences that best improve the original sentences. As we know, the current equation is different in CCM or DCM with different inductance, but no paper proposed the analytical equation to describe it. This paper is devoted to the accurate equation of the inductor, but now how to design the inductor and select the power device and its heat sink.A.
T he current equation is different in CCM or DCM with different inductance, but no paper proposed the analytical equation to describe it. This paper is devoted to the accurate equation of the inductor without referring to how to design the inductor and select the power device and its heat sink.
B.
Although the current equation is known to be different in CCM or DCM with different inductance, no paper proposed the analytical equation to describe it. This paper is devoted to the accurate equation of the inductor with no reference to how to design the inductor and select the power device and its heat sink.
C.
Although the current equation is known to be different in CCM or DCM with different inductance, no paper proposed the analytical equation to describe it. This paper is devoted to the accurate equation of the inductor without referring to to how to design the inductor and select the power device and its heat sink.
D.
Although the current equation is known to be different in CCM or DCM with different inductance, no paper proposed the analytical equation to describe it. This paper is devoted to the accurate equation of the inductor with no reference to how to design the inductor and how to select the power device and the heat sink.
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【单选题】当买卖双方采用信用证方式结算时,受益人应对照合同仔细检查,如发现信用证与
A.
合同有重大的不一致时,受益人应要求( )。
B.
通知行修改
C.
开证行修改
D.
开证申请人修改
E.
议付行修改
【单选题】在用长除法求 Z 反变换时,分子多项式和分母多项式的排列有何要求
A.
左边序列——Z 的升幂排列 右边序列 ——Z 的升幂排列
B.
左边序列——Z 的降幂排列 右边序列——Z 的升幂排列
C.
左边序列——Z的升幂排列 右边序列——Z的降幂排列
D.
左边序列——Z 的降幂排列 右边序列——Z 的降幂排列
【简答题】每个人的沟通能力各不相同,但却不是天生的。通过科学、系统的训练以及个人后天的努力,人人都可以成为沟通大师。你认为怎样进行合理训练以提升有效沟通能力?
【单选题】患者，男，50岁，双下肢无力两年，蹲坐位起立时困难，之后又出现右侧举臂困难，双手握力尚可。查见四肢近端肌力差，有肌肉萎缩，无肌肉压痛。肌肉活检：用免疫组化技术发现变性肌纤维胞浆和胞核中空泡形成，β-淀粉蛋白浸染呈阳性反应。
关于本病的治疗，下列哪项是错误的（ ）
A.
少数患者用免疫抑制剂治疗有轻微改善
B.
免疫球蛋白静脉滴注疗效不确定
C.
皮质类固醇治疗通常有效
D.
推荐用小剂量氨甲蝶呤阻止本病进展的建议未被广泛采纳
E.
血浆交换疗法效果不理想
【单选题】是由若干国家联合组建一家中央银行，由这家中央银行在其成员国范围内行使全部或部分中央银行职能的中央银行制度。
A.
一元式中央银行制度
B.
二元式中央银行制度
C.
跨国的中央银行制度
D.
准中央银行制度
【单选题】当买卖双方采用信用证方式结算时, 受益人应对照合同仔细检查, 如发现信用证与 买卖合同有重大的不一致时,受益人应要求( ) 。
A.
通知行修改
B.
开证行修改
C.
开证申请人修改
D.
议付行修
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