皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【单选题】
一个未知化合物,官能团鉴定实验时得到如下结果:(1)硝酸铈铵试验( + ); (2) N-溴代酰亚胺试验,结果为橙色;(3)红外光谱表明3400cm-1有一较强的宽吸收峰。下面说法中正确的是()
A.
该化合物可能是脂肪族,碳原子数在10以下
B.
该化合物可能是脂肪族,碳原子数在10以上
C.
该化合物可能是脂肪族,碳原子数在10以下
D.
该化合物可能是脂肪族伯胺,碳原子数在10以下
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案：
举一反三
【单选题】Dorothy is a girl who would be sad for a few days even at the death of a tiny ant.
A.
sensuous
B.
sensible
C.
sensitive
D.
sentimental
查看完整题目与答案
【单选题】Even a girl, ________ to be her life, and theater audiences were to be her best teachers.
A.
performing by Melissa were
B.
it was known that Melissa's performances were
C.
knowing that Melissa's performances were
D.
Melissa knew that performing was
查看完整题目与答案
【判断题】Do the underlined phonemes in the following sentence sound the same ? I ’ll dr i ve f i ve m i les on Fr i day n i ght to see a fl i ght that I l i ke.
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：W: Your Honor! I would like to bring the jury's attention to same points that I fool are relevant to the case at this time. M: You may address the jury this afternoon. The court will now recess f...
A.
In a school.
B.
At the post office.
C.
In a courtroom.
D.
In a restaurant.
查看完整题目与答案
【单选题】在调研开始的阶段为明确医药企业存在的问题所进行的调研是
A.
探索性调研
B.
描述性调研
C.
因果性调研
D.
预测性调研
查看完整题目与答案
【单选题】People say, “Guilin’s scenery is superb in the world.” It was not until I visited the place that I found it really worthy of the _______.
A.
imagination
B.
status
C.
reputation
D.
assessment
查看完整题目与答案
【单选题】Dear Students, I am happy that you are now in America. I am happy that you have made new friends from around the world. All of you are growing every day. Like many people, you decided to come to Ameri...
A.
The students have made new friends in America.
B.
The students have made friends with him.
C.
The students have taken his advice.
查看完整题目与答案
【单选题】Even as a girl, to be her life, and theater audiences were to be her best teachers.
A.
performing by Melissa were
B.
it was known that Melissa's performance were
C.
knowing that Melissa's performance were
D.
Melissa knew that performing was
查看完整题目与答案
【判断题】对于儿童近视患者一般以瞳孔恢复后的度数进行试戴。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Policeman as a Writer I decided to begin the term's work with the short story since that form. would be the easiest for the police officers, not only because most of their reading up to then had proba...
A.
aggressive and not passive
B.
factual and not fanciful
C.
neutral and not prejudiced
D.
a man of action, not words
查看完整题目与答案
相关题目：
【单选题】Dorothy is a girl who would be sad for a few days even at the death of a tiny ant.
A.
sensuous
B.
sensible
C.
sensitive
D.
sentimental
查看完整题目与答案
【单选题】Even a girl, ________ to be her life, and theater audiences were to be her best teachers.
A.
performing by Melissa were
B.
it was known that Melissa's performances were
C.
knowing that Melissa's performances were
D.
Melissa knew that performing was
查看完整题目与答案
【判断题】Do the underlined phonemes in the following sentence sound the same ? I ’ll dr i ve f i ve m i les on Fr i day n i ght to see a fl i ght that I l i ke.
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：W: Your Honor! I would like to bring the jury's attention to same points that I fool are relevant to the case at this time. M: You may address the jury this afternoon. The court will now recess f...
A.
In a school.
B.
At the post office.
C.
In a courtroom.
D.
In a restaurant.
查看完整题目与答案
【单选题】在调研开始的阶段为明确医药企业存在的问题所进行的调研是
A.
探索性调研
B.
描述性调研
C.
因果性调研
D.
预测性调研
查看完整题目与答案
【单选题】People say, “Guilin’s scenery is superb in the world.” It was not until I visited the place that I found it really worthy of the _______.
A.
imagination
B.
status
C.
reputation
D.
assessment
查看完整题目与答案
【单选题】Dear Students, I am happy that you are now in America. I am happy that you have made new friends from around the world. All of you are growing every day. Like many people, you decided to come to Ameri...
A.
The students have made new friends in America.
B.
The students have made friends with him.
C.
The students have taken his advice.
查看完整题目与答案
【单选题】Even as a girl, to be her life, and theater audiences were to be her best teachers.
A.
performing by Melissa were
B.
it was known that Melissa's performance were
C.
knowing that Melissa's performance were
D.
Melissa knew that performing was
查看完整题目与答案
【判断题】对于儿童近视患者一般以瞳孔恢复后的度数进行试戴。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Policeman as a Writer I decided to begin the term's work with the short story since that form. would be the easiest for the police officers, not only because most of their reading up to then had proba...
A.
aggressive and not passive
B.
factual and not fanciful
C.
neutral and not prejudiced
D.
a man of action, not words
查看完整题目与答案
参考解析：
知识点：
题目纠错 0
发布
创建自己的小题库 - 刷刷题