26.属于倍半萜类化合物的是
A: mg src="file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image008.jpg">;
A: mg src="file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image008.jpg">;
举一反三
- 27.下列哪些化合物属于单萜 A: mg src="file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image010.jpg">;
- 已知 , ,file:///C:/Users/win10/AppData/Local/Temp/msohtmlclip1/01/clip_image002.pngfile:///C:/Users/win10/AppData/Local/Temp/msohtmlclip1/01/clip_image004.pngfile:///C:/Users/win10/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png
- file:///C:\Users\tu\AppData\Local\Temp\msohtmlclip1\01\clip_image001.png
- 工程上区分塑性材料和脆性材料的标准是看其延伸率大于等于还是小于( )。file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtml1/01/clip_image002.gif
- 如题图所示机构中,复合铰链有( )处。 A: mg src="file:///C:\Users\teacher\AppData\Local\Temp\ksohtml\wps165.tmp.png">; B: 2 C: 3 D: 1