如图所示的分层刻字加工刀路，文本深度为0.3，需要分三层，则每刀切削深度为（ ）?A: 0.01
B: 0.1
C: 0.2
D: 0.15
举一反三
- 17d60db593c0133.png如图所示的分层刻字加工刀路，文本深度为0.3，需要分三层，则每刀切削深度为（ ）? A: 0.01 B: 0.1 C: 0.2 D: 0.15
- <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/d2131f26059e42daa04e03a35037283f.png" />如图，已知重物的重量为500N。试确定每根绳索所承受的力。答案是（ ） A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/d45dfbb2d71f4195bd952756c8150a94.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/5cb9017e0e14444aaf61888f7bb34369.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/4c1199534060441983e2384898433ef7.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/ab21403229814a07aac9152b298a6b90.png" />
- 阿糖胞苷的化学结构为（ ）。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/588c9b478695464b9617893b2e1c303a.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/86b60f7b512f43a29c8431f882722d1b.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/4546ccb30ea64350a626b0cd337e2c98.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/8f610edce6dd4a2e81ca814690e0b5ec.png" />
- 下图哪一个为侗族吊龙舞？（ ） A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/b41c210ce1ae4309acbbb37133e5488d.jpeg" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/2e6b6956beea42249f0a848d3b5774c1.jpeg" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/a3975e12b7bf44c39b664bb9a282c41c.jpeg" />
- 下列关系正确的有（ ） A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/0c9a6360c85f4ff9bdb2b17b576df2e0.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/09c3ca64214040d89eaa8534fa21d895.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/3d88f37ec20c4604a8387c0e1088ad34.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/d48f61b369aa425384b1d565afb5d073.png" />
内容
- 0
具有顺反异构体的物质是 ( ) 。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/9bf08e194cf24f80b9582238a48b2d98.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/6a33a313aebe4d5a8d8f6cd250361fec.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/f7a33598bdb74c3180f03e2517cac29c.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/d86d498d7c6b4594ad58fdbaad86028c.png" />
- 1
下列最稳定的自由基是（ ）。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/7ff51d95af804e74bbffb2091d336668.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/a7bc08ef90914e13a5f795670eb1e67b.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/6f85cd60c27645c39d58990b87615ebf.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/f5d0c506ba09424a838f7aee98e94e43.png" />
- 2
属于钙通道阻滞剂的药物是（ ）。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/3112081992ed47f8bf358bd9942d5ebb.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/17c349ff9e8e450c971ceb98947611f8.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/4194526443744627b8a6fc1be47523d1.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/28cffdd18be74b33bc7d9efac912d8c3.png" />
- 3
鉴别环丙烷，丙烯与丙块需要的试剂是 ( )。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/21a930a1409840009410ac41131cf6e8.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/93d491960e284dcabe147ead051bd678.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/a00229aa5a0247d59c661095f9848903.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/74eedf9a148c46868d6dc4f8d1967f23.png" />
- 4
若要进行“面倒圆”操作，需要单击下列哪个图标（ ） A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/61a36b2ccec04ed0a31b1a1d79cdd7de.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/3587a47308f648f89814d47ec6f83d63.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/8b4fa6efe51242c8ad40ea5e217d1b5d.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202012/5f483564949841bd9c36171820c3a078.png" />