正常构形下,直流主汇流条如何供电?()A.来自变压整流器1 B.来自主变压整流器 C

题型:单项选择题

问题:

正常构形下,直流主汇流条如何供电?()

A.来自变压整流器1

B.来自主变压整流器

C.来自变压整流器2

D.来自电瓶2

考点:民用航空器维修执照考试A320系列飞机MEA320系列飞机ME题库
题型:单项选择题
化简:
16×81
=______.
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症见发热恶寒,头痛,胸膈满闷,脘腹疼痛,或恶心呕吐,或肠鸣泄泻,舌苔白腻,脉濡或缓者,治疗最佳选方是()

A.半夏泻心汤

B.理中丸

C.芍药汤

D.桂枝汤

E.藿香正气散

题型:单项选择题

杂质原子在其它晶格中扩散时的推动力为(),同种原子在自己晶格中自扩散的推动力为()。

题型:单项选择题

请根据上下文内容,将文中划线部分译成汉语或英语,并将答案转写到答题卷上。

20 October

I'm very tired today. 61)We had a Maths test at school. It was very challenging. I studied a lot yesterday and stayed up very late. 62)今天上午我感到不舒服。 But I still think I did a good job in the test. I hope so ! 63) I’m afraid I did badly. Mum and Dad may regret that they bought me such an expensive bicycle.  64) 我的朋友们说我不用担心。 but, anyhow, 65) I’m still nervous about my results.

58. _______________________________________________________________________

59. _______________________________________________________________________

60. _______________________________________________________________________

61. _______________________________________________________________________

62. _______________________________________________________________________

题型:单项选择题

11岁女童,因癫痫大发作入院,其母叙述曾服苯巴比妥10个月,因疗效不佳,2日前改服苯妥英钠,结果反而病情加重,原因是()

A.苯妥英钠剂量太小

B.苯妥英钠对大发作无效

C.苯妥英钠诱导了肝药酶,加速自身代谢

D.苯妥英钠的血药浓度尚未达到有效血药浓度

E.苯妥英钠剂量过大而中毒

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