定义有序列表，使用的标签是（ ）
A:
B:
C:
D:
A:
B:
C:
D:
举一反三
- 设A=<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/bc546fc03fdb4ba3b7e6b144b6371d7f.png" />，B=Р(Р(A)) 下列（ ）表达式不成立。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/6e615703da60435893f9e9a9273e12e5.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/64c831067d054e71a6c76f43849d450d.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/72023a5250e44c12b98923044194f13d.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/c48e039a739c4502830eee7ae0ac1678.png" />
- 以下标签中，（ ）是单标签（没有结束标签） A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/e79089320dcd42cdbe9483f2db09e6f0.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/f59e762b65a0417fae7eed87c9a0229d.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/657ab81ab246416d871b66e392ad859b.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/32fc90db1f704502b3762cdfe449829e.png" />
- 以下选项中，全部都是表格标签的是（ ） A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/a6c4de14c1e14465ac8f152bc52545ea.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/bc06abdf4a1c419cb5dab725f83a02d0.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/0aeb916868c4476ab7d0549a32a4ca4e.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/0cbabf33298048578d5b9ef94a3c2b0c.png" />
- 已知主视图和俯视图，下面左视图画法正确的有（ ）<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/2bcab5bbb4024d99b27781c7c286d861.png" /> A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/c740df10c8d64a5c9f269c0808cfba30.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/d19031d8c17543f699d8827fa6ac1249.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/1780a38439af44618170b420943a6b6d.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/8b29c3cc4c2e4f3e919c5f22d4ac96f1.png" />
- 已知主视图和俯视图，下面左视图画法正确的有（ ）<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/0e67a6814bf3453d8a2560ad2803175b.png" /> A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/9cbbab2efe124ef98699ab70b405efa7.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/43768386d66b41419559fe5bf0fb308d.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/3880af04e89d468c8c94acccd953d9c7.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/d4f57df49926458fba76fe114e40f01c.png" />