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【判断题】
当电源中的整流二极管击穿后,会出现开机烧保险的故障现象A.
正确
B.
错误
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举一反三
【简答题】听力原文： When my first wartime Christmas came, I was in basic training in New Jersey. At that time I was not sure if I would make it home for the holidays. Only on the afternoon of December 23 did I see ...
【简答题】写出关系表达式: 1、表示小写字母 2、x是3的倍数 3、a等于c或b不等于0 4、x在区间(0,1]
【单选题】患者,男性,6 小时前负重物时,右侧斜疝被嵌顿,提示疝内容物已发生缺血性坏死,患者出现( )
A.
疝块增大，不能回纳
B.
局部有剧烈疼痛
C.
疝块紧张发硬，有触痛
D.
阵发性腹痛伴呕吐
E.
全腹压痛，肌紧张
【单选题】－－－John, how did your English exam go?－－－I thought I ____, but in fact I came in the top 10% in t
A.
29.---John, how did your English exam go? ---I thought I ____, but in fact I came in the top 10% in the class. A．should have failed
B.
couldn’ t have failed
C.
might have failed
D.
mustn’ t have failed
【单选题】患者,男性。6小时前负重物时,右侧斜疝被嵌顿,提示疝内容物已发生缺m坏死的主要依据是
A.
疝块增大,不能回纳
B.
局部有剧烈疼痛
C.
疝块紧张发硬,有触痛
D.
阵发性腹痛伴呕吐
E.
全腹有压痛,肌紧张
【简答题】One day I was dining with my friend Zhou in McDonald when two young girls came in hand in hand. While enjoyed a hamburger, I found Zhou looking around at something strangely. I raised my eyes to see w...
【单选题】患者,男性, 6 小时前负重物时,右侧斜疝被嵌顿,提示疝内容物已发生缺血坏死的主要依据是
A.
疝快增大，不能回缩
B.
局部有剧烈疼痛
C.
疝块紧张发硬，有触痛
D.
阵发性腹痛
E.
呕吐
【单选题】患者男性,6小时前负重物时,右侧斜疝被嵌顿,提示疝内容物已发生缺血坏死的主要依据是
A.
疝块增大,不能回纳
B.
阵发性腹痛伴呕吐
C.
疝块紧张发硬,有触痛
D.
局部有剧烈疼痛
E.
全腹有压痛,肌紧张
【单选题】— John, how did your English exam go? — I thought I ____, but in fact I came in the top 10% in the class. [ ]
A.
should have failed
B.
couldn' t have failed
C.
might have failed
D.
mustn' t have failed
【简答题】电控汽油喷射系统的燃油供给系统有哪些主要部件组成?它的基本工作原理是什么?
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