皮皮学，免费搜题
登录
搜题
【多选题】
甾体母核的显色反应有()A.
醋酐-浓硫酸反应(Liebermann-Burchard 反应),依次产生黄、红、蓝、紫、绿色
B.
氯仿-浓硫酸反应(Salkowski 反应),氯仿层血红色,硫酸层绿色
C.
无水氯化锌和乙酰氯反应(Tschugaev 反应),红-蓝-绿
D.
三氯醋酸-氯胺T 反应(ChloramineT 反应),不同苷显色不同
E.
三氯化锑反应显各种颜色
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】Which of following statements about Geoffrey Chaucer is INCORRECT?
A.
His works include The Canterbury Tales, The Book of Duchess, The House of Fame, etc.
B.
He is the first person to write in Middle English.
C.
The Canterbury Tales is not his first work.
D.
He is influenced by Italian culture.
【简答题】Tell about the literary achievements of Geoffrey Chaucer.
【多选题】Which of the following descriptions are true about the writer Geoffrey Chaucer and his work The Canterbury Tales?
A.
The Canterbury Tales is written in French.
B.
The Canterbury Tales is written in middle English.
C.
The Canterbury Tales is a collection of stories told through the mouths of a group of pilgrims from varied social class, and therefore ia able to give a comprehensive picture of the English society in the Middle Ages.
D.
The lengend of King Arthur was also a work by Chaucer.
E.
Chaucer is called the Father of the English language due to his achievements.
【简答题】我国《教师法》第十七条明确规定：“学校和其他教育机构应当逐步实行教师聘任制。”请结合我国教师任用制度的历史发展及我国教师的法律地位，阐述实行教师聘任制对我国教育改革的意义。并请结合我国当前存在的相关具体问题，提出更好地促进教师聘任制，推进我国教师任用制度改革的有效举措。
相关题目：
参考解析：
知识点：
题目纠错 0
发布
