下列哪个反应不是作用于甾体母核的( )A．醋酐-浓硫酸反应B．三氯化铁-冰醋酸反应 发布时间：2018-01-12 09:56 │ 来源：www.tikuol.com 题型：单项选择题 问题： 下列哪个反应不是作用于甾体母核的( )A．醋酐-浓硫酸反应B．三氯化铁-冰醋酸反应C．三氯醋酸反应D．三氯化锑反应E．氯仿-浓硫酸
题型：单项选择题 用所给动词正确形式填空sound, have, like, play, bring, be, look, watch, join,talk1. She _________ sports every day.2. My friend _________ sports very much.3. Can you _________ your new dictionary here?4. It _________ boring.5. Let's _________ them on TV.6. _________ at the board. There's a notice.7. Let's _________ about the picture.8. _________ there a nice picture on the wall.9. Does your brother _________ the volleyball club?10. We _________ twenty classes in our school. 查看答案