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【单选题】
某轴的轴力沿杆轴是变化的,则在发生破坏的截面上
A.
外力一定最大,且面积一定最小
B.
轴力一定最大,且面积一定最小
C.
轴力不一定最大,但面积一定最小
D.
轴力和面积之比一定最大
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举一反三
【简答题】听下面一段对话,选择正确答案。 1. Did Ted know Jane? A. Yes, he did. B. No, he didn't. C. We don't know. 2. What did Jane use to be like? A. She used to be shy. B. She didn't use to be shy. C. She was outing. 3. Who...
【简答题】There i s still much to discuss , , we shall return to this ite m a t ou r nex t meeting. A . therefore B . however C . otherwise D . briefly 2. The door and the windows were all closed and there was ...
【简答题】()和()是衡量电能质量的两个基本参数。
【单选题】早期肝癌(小肝癌)的诊断标准是
A.
直径在1cm以下,单个瘤结节
B.
直径在5cm以下,不超过2个瘤结节
C.
直径在3cm以下,单个瘤结节
D.
直径在3cm以下,不超过2个瘤结节
【简答题】( )和 ( ) 是衡量电能质量的两个基本参数。
【单选题】早期肝癌(小肝癌)的诊断标准是 ( )
A.
最大φ<1cm,单个癌结节
B.
最大φ<2cm或2个癌结节合计最大φ<2cm
C.
最大φ<3cm,单个癌结节
D.
最大φ<3cm或2个癌结节合计最大φ<3cm
E.
最大φ<2cm,单个癌结节
【单选题】模拟声音转换为数字音频时,采样频率设为 22.05HZ ,量化位数设为 16 ,采用单声道,不压缩前提下, 60 分钟的数字音频体积大小为()。
A.
155MB
B.
100MB
C.
200MB
【简答题】完形填空。 The sun was shining when I got on No. 151 bus. We passengers sat closely in heavy clothes. No one spoke. That's one of the unwritten rules. Although we see the same faces every day, we prefer to...
【单选题】早期肝癌(小肝癌)的诊断标准是:
A.
直径在1cm以下,单个瘤结节
B.
直径在1cm以下,不超过2个瘤结节
C.
直径在3cm以下,单个瘤结节
D.
直径在3cm以下,不超过2个瘤结节
E.
无临床症状的肝癌
【简答题】听对话,选择正确答案。 1. Is Peter free this evening? [     ] A. Yes, he is. B. No, he isn't. C. We don't know. 2. What does the man usually do on Sundays? [     ] A. Plays computer s. B. Plays basketball. C...
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