皮皮学，免费搜题
登录
搜题
【单选题】
下列黄酮类化合物中 ,酸性最强的是A.
7，4 ’ -2OH的黄酮类化合物
B.
7或4 ’ -OH的黄酮类化合物
C.
5-OH的黄酮类化合物者
D.
一般 -OH的黄酮类化合物
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】Suppose Mo Yan, the Nobel laureate for Literature, is going to deliver a speech in your university. Then his speech is ______.
A.
a speech of introduction
B.
an acceptance speech
C.
a speech of presentation
D.
none of the above
【单选题】Suppose Mo Yan, the Nobel laureate for Literature, is going to deliver a speech in your university. Then his speech is ______.
A.
a speech of introduction
B.
none of the above
C.
a speech of presentation
D.
an acceptance speech
【简答题】1)"spell it out": tell you 1 ; 2)"took his time" implies that Ogilvie intends to 2 her 3 and shows his 4 over them. 3)"challenging her objection": openly 5 her to object to his 6 . 4) "beyond wrinklin...
【判断题】"Just in time" means a company need carry large inventories in the event that demand spiked.
A.
正确
B.
错误
【单选题】燕山酒厂2019年8月销售粮食白酒3 000公斤，取得不含税价款100万元，包装物押金5万元，包装物2个月后归还厂家，则该酒厂应纳消费税税额（ ）万元。
A.
21.18
B.
26.37
C.
23.75
D.
24.25
【单选题】Suppose Mo Yan, the Nobel laureate for Literature, is going to deliver a speech in your university. Then his speech is ______
A.
an acceptance speech
B.
a speech of introduction
C.
a speech of presentation
D.
none of the above
相关题目：
参考解析：
知识点：
题目纠错 0
发布
