A:
B:
C:
举一反三
- <img src="http://p.ananas.chaoxing.com/star3/origin/560b9590e4b040cfea1a582d.png"/> <img src="http://p.ananas.chaoxing.com/star3/origin/560b9591e4b040cfea1a582e.png"/> <img src="http://p.ananas.chaoxing.com/star3/origin/560b9593498ed981287fd9e9.png"/>(), <img src="http://p.ananas.chaoxing.com/star3/origin/560b9593498ed981287fd9ea.png"/>(); <img src="http://p.ananas.chaoxing.com/star3/origin/560b9593498ed981287fd9ec.png"/> <img src="http://p.ananas.chaoxing.com/star3/origin/560b9593e4b040cfea1a5830.png"/>(), <img src="http://p.ananas.chaoxing.com/star3/origin/560b9593498ed981287fd9ea.png"/>()
- 下列符号表示两拍的是 A: <img src="http://p.ananas.chaoxing.com/star3/origin/fc00ca0cec8dd427dc15fc2958c82fba.jpg" /> B: <img src="http://p.ananas.chaoxing.com/star3/origin/2ab1bae8cce890765fe35f350c9da3a3.jpg" /> C: <img src="http://p.ananas.chaoxing.com/star3/origin/c161896591ea673a7e87bf05823878e9.jpg" /> D: <img src="http://p.ananas.chaoxing.com/star3/origin/f4d74c1de4a91f83bc4349e158eeeb08.jpg" />
- 图示应力状态,按第三强度理论校核,强度条件为( )。<img src="http://p.ananas.chaoxing.com/star3/origin/dd3fe2c04248453f934a5bf078c2096b.png"/> A: <img src="http://p.ananas.chaoxing.com/star3/origin/008fe5632455993a70b7aa9bf29fb1ef.jpg" /> B: <img src="http://p.ananas.chaoxing.com/star3/origin/9ffd49637b4c58b1fa85151ed63de699.jpg" /> C: <img src="http://p.ananas.chaoxing.com/star3/origin/5b8e6c02b33bd63b6fd0f121449e26b0.jpg" /> D: <img src="http://p.ananas.chaoxing.com/star3/origin/4896125577fc13ab75d592f1f3511baa.jpg" />
- 选出a和声小调的属七和弦? A: <img src="http://p.ananas.chaoxing.com/star3/origin/2380e2043b046aff59d1cbf5a9f3f65b.jpg"/> B: <img src="http://p.ananas.chaoxing.com/star3/origin/22bb862d2805bb736b32dba57e4fb72a.jpg"/> C: <img src="http://p.ananas.chaoxing.com/star3/origin/27b98a4d2556f64ede45489dec28e9d3.jpg"/>
- 下面哪个和弦是c大调正三和弦? A: <img src="http://p.ananas.chaoxing.com/star3/origin/55d08cef08dfbee0641de28423c1167e.jpg"/> B: <img src="http://p.ananas.chaoxing.com/star3/origin/5bbfc2848d78379c3e5dc687a9d7fdb4.jpg"/> C: <img src="http://p.ananas.chaoxing.com/star3/origin/cf2ea4acb0a73a36f1c84800cd888903.jpg"/>
内容
- 0
图示等直圆轴AB由AC和CB两段组成,若AC段的切变模量为G,CB段为刚性轴,则相对扭转角<img src="http://p.ananas.chaoxing.com/star3/origin/56a89b473ce7e624847e5ff047e6ba1d.jpg" />有四种答案<img src="http://p.ananas.chaoxing.com/star3/origin/36eb99677f2e0a7f3f0db1d380a0da85.png" /> A: <img src="http://p.ananas.chaoxing.com/star3/origin/db07e5da4130413215fde86c1d56244f.jpg" /> B: <img src="http://p.ananas.chaoxing.com/star3/origin/e54505c73180025d082603e94c176c94.jpg" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/ec2c47138dd3471481a4eeefa044032c.png" /> D: <img src="http://p.ananas.chaoxing.com/star3/origin/aabcaa3a7a41210a1eb33c2f1c63cd5e.jpg" />
- 1
根据正面和侧面投影,选择正确的水平投影___ A: mg src="http://p.ananas.chaoxing.com/star3/origin/36969903a2466dc741c0c4fb2e1719d0.png">; B: (2) C: (1) D: (4) E: (3)
- 2
根据正面和水平投影,选择正确的侧面投影( ) A: mg src="http://p.ananas.chaoxing.com/star3/origin/f2287a9ffec9f938ff9b50f352b4ceaf.png">; B: (1) C: (2) D: (3)
- 3
设随机变量,则=。(注: )http://p.ananas.chaoxing.com/star3/origin/39a36111a374e238aff071bcbee7ad00.gifhttp://p.ananas.chaoxing.com/star3/origin/55967500e4b0ec35e2d51bb3.gifhttp://p.ananas.chaoxing.com/star3/origin/17322168bc793ffb671aa05ad0e2835c.gif
- 4
<img src="https://p.ananas.chaoxing.com/star3/origin/8c88dae51901ea273e05d73f5582c339.png" title="1.png" alt="1.png"/>