表面粗糙度代号在图样上的标注中，正确的是（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/d273aac1e7d54b52a4800a011e6ae346.png
举一反三
- 表面粗糙度轮廓的代号表示（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/e1026a8d4d4e4da7ae72d656589ba1b8.png
- 在工程图中，对尺寸标注的前后缀进行修改需要选择哪个图标？( ) A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/151dad8b642a4cd286a5a6f33a379f06.png"/> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/171628c951b44619b4ae9c5afa4f8c5d.png"/> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/dc4e87847b6d41d6ba2f0838528fb898.png"/> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/a8ebfd35da454980a8e7e8ebd5ac6abc.png"/>
- What are the comedies of Shakespeare? A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/1882addb95d34f3e877db8ec62e82507.png"/> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/4e230d2e03cc46c2b717155e90fdd081.png"/> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/7f4368645eff4e4b9ec89b237843dabd.png"/> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/5ccbfc9718084d318abfbbe254ae048b.png"/>
- 下列化合物中，能溶于NaOH溶液的是（ ）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/0ac13ea00784450e883eb9c03410a782.png"/> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/a4b0ca2616834826bc2dd7bc22eff5f8.png"/> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/931013ec85074585881d2056a2f28f4b.png"/> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/74e1d5e80d734881a82b75db1b7e02fb.png"/>
- Which one is Homer’s epic? A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/60a09e42c1cb4c988adcf2fa43a2170c.png"> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/148a547a82cd4f5482de272b09415b7f.png"> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/bc77b52b6ae747fda43ef56a09994b9f.png"> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/9a18e23e6d9a453ea18eaabd88d99376.png">