用硝酸银处理的硅胶作吸附剂，苯-无水乙醚（5:1）做洗脱剂，分离下列化合物，各成分流出的先后顺序是（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/795d96ae496345a09a93002e2e48baed.png
举一反三
- 用硝酸银处理的硅胶作吸附剂，苯-无水乙醚(5：1)为洗脱剂，分离下列化合物[img=553x186]17d623a55255f90.jpg[/img]，各成分流出的先后顺序为：（ ）。 A: ③②① B: ②①③ C: ②③① D: ①②③
- 下列化合物有旋光性的是( )。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/42754375451947b4a2097a204914e285.png" border="0" vspace="0" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/259cc0f9369441888e4306c19039152f.png" border="0" vspace="0" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/c6798f5eb7e14df7a79f40cdd7d2f42e.png" border="0" vspace="0" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/4275928f484d4bad94705297fe159cf0.png" border="0" vspace="0" />
- 以下操作，可以将数据放入列表A的是：（ ） A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/be509830d9fa481e937a24d1e2d9ad46.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/56c2e754f3684727b65b6eb649aff2fa.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/a591d719880b457ea72ff0b84b29d4e9.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/deca818437954173af522e786916847f.png" />
- 以下那些操作可以新建一个背景？ A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/40aa135f5f0a475f971257bb827504fb.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/9307bb62780f4beb9816a80655aa869f.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/4c22f5c8020040beaa0fe566345b7eb9.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/e66c4f191e944062b31d06d70642aa3f.png" />
- 以下那些操作可以新建一个角色？ A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/be5248f5c01c40febe40711f7db7dbd8.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/bfcfceb7083741d8a0093bd21893a0f2.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/ca41a907d3b648ebb85161bf0477e47d.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/8a75d8860f284339b0d92f7c627b5c9b.png" />