如图所示为人行横道线，（）是行人横穿的标线。
A: 高速公路
B: 街道
C: 铁路道口
D: 车行道
A: 高速公路
B: 街道
C: 铁路道口
D: 车行道
举一反三
- 在HTML中，表示内嵌CSS样式的标记是（ ）。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202009/0f0459998c5c468d9f4da1cda1efa615.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202009/4defb3f96a4943559f8517f5fa1dd9b0.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202009/89f0de7112d641a1abb2c95a82733322.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202009/775faf4c538b484abd2b320e8d165e4a.png" />
- 在FeBr3存在下，下列化合物中与Br2最易反应的是 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202009/b390d91bdb2642eb922cda903d861e96.png"> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202009/10344dabb53f493c909c2bcd1f2f7764.png"> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202009/ec45a2a1fdd84ce0b3fd81823b9c375f.png"> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202009/7c99b94959254b13b21e06a97f6ba58a.png">
- HTML文档的树状结构中，（ ）标签为文档的根节点，位于结构中的最顶层。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202009/5723e086f123444081427c389e4872e6.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202009/a217e300ab6c48f69256f71f237461f7.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202009/b98cb4d6a4c34f099e97086a0515df11.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202009/530a46c2a38641bebc135da4c9598821.png" />
- 肠道中的微生物与我们的健康息息相关，一般肠道中大约有多少微生物，可培养到的大约多少种？ A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202009/937c1a0cc6464dbcb8650e7289fd34de.png"> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202009/eb2cc307fb9a4973a2175de99ab705e1.png"> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202009/275f54ec97b0490f85a2955ab3c6fd89.png"> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202009/b3a55c9c3ec94414b15f47d69823fe07.png">
- 横桥的特性是（ ） A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202003/d9109b1706b24ebdaaa4fd2ade011f0b.png"> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202003/3e73caf4907c4732b31655818429fd1f.png"> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202003/22fe3c7df73445cdbc78681845eb442f.png"> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202003/dda726f3f23e497ea5706434c05ee729.png"> E: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202003/1e933a32e7764e73841cf6d1ad056e95.png">