皮皮学，免费搜题
登录
搜题
【单选题】
下列关于芳香烃的叙述中不正确的是
A.
乙烷和甲苯中都含有甲基,甲苯可以被酸性KMnO4溶液氧化成苯甲酸,而乙烷不能被其氧化,说明苯环对侧链产生了影响
B.
苯和浓硝酸、浓硫酸混合物在100-110℃才能生成二硝基苯,而甲苯在100℃即可生成三硝基甲苯,说明甲基对苯环产生了影响
C.
苯、甲苯等是重要的有机溶剂,萘(俗称卫生球)是一种重要的绿色杀虫剂
D.
除去苯中混入的少量甲苯可加入适量的酸性KMnO4溶液,充分反应后再加入足量的NaOH溶液,然后分液即可
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【单选题】We _____ last night,but we went to appreciate the flowerbeds and streetlights in Tian’anmen Square instead.
A.
might study
B.
could study
C.
should have studied
D.
must have studied
查看完整题目与答案
【单选题】We appreciate the notice that you_____ the mistakes we made in newspapers.
A.
paid
B.
paid to
C.
took
D.
took of
查看完整题目与答案
【单选题】下列选项中哪项是八字服务的基本要求 ( ) 。
A.
实在、热情、耐心、周到
B.
主动、周到、热情、和蔼
C.
主动、热情、耐心、周到
D.
耐心、周到、协调、主动
查看完整题目与答案
【单选题】If we learn to appreciate _____ is new and different, we will be well-prepared for ____ the future may have in store.
A.
that; whatever
B.
what; whatever
C.
that; whichever
D.
which ; that
查看完整题目与答案
【单选题】If we learn to accept change and appreciate what is new and different, we will be well-prepared for whatever the future may have _______.
A.
in vain
B.
in store
C.
in demand
D.
in general
查看完整题目与答案
【简答题】In America we are raised to appreciate the accomplishments of inventors and thinkers—creative people whose ideas have transformed our world. We celebrate the famously imaginative, the greatest artists...
查看完整题目与答案
【判断题】正常人生理无效腔和解剖无效腔容积相等。
A.
正确
B.
错误
查看完整题目与答案
【单选题】下列选项中哪项是八字服务的基本要求 ( ) 。 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
、实在、热情、耐心、周到
B.
、主动、周到、热情、和蔼 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
C.
、主动、热情、耐心、周到
D.
、耐心、周到、协调、主动
查看完整题目与答案
【单选题】We appreciate your suggestion () establish agency relationship between our banks .
A.
to
B.
that
C.
we
D.
for
查看完整题目与答案
【判断题】50119正常人生理无效腔和解剖无效腔容积相等。
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】We _____ last night,but we went to appreciate the flowerbeds and streetlights in Tian’anmen Square instead.
A.
might study
B.
could study
C.
should have studied
D.
must have studied
查看完整题目与答案
【单选题】We appreciate the notice that you_____ the mistakes we made in newspapers.
A.
paid
B.
paid to
C.
took
D.
took of
查看完整题目与答案
【单选题】下列选项中哪项是八字服务的基本要求 ( ) 。
A.
实在、热情、耐心、周到
B.
主动、周到、热情、和蔼
C.
主动、热情、耐心、周到
D.
耐心、周到、协调、主动
查看完整题目与答案
【单选题】If we learn to appreciate _____ is new and different, we will be well-prepared for ____ the future may have in store.
A.
that; whatever
B.
what; whatever
C.
that; whichever
D.
which ; that
查看完整题目与答案
【单选题】If we learn to accept change and appreciate what is new and different, we will be well-prepared for whatever the future may have _______.
A.
in vain
B.
in store
C.
in demand
D.
in general
查看完整题目与答案
【简答题】In America we are raised to appreciate the accomplishments of inventors and thinkers—creative people whose ideas have transformed our world. We celebrate the famously imaginative, the greatest artists...
查看完整题目与答案
【判断题】正常人生理无效腔和解剖无效腔容积相等。
A.
正确
B.
错误
查看完整题目与答案
【单选题】下列选项中哪项是八字服务的基本要求 ( ) 。 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
、实在、热情、耐心、周到
B.
、主动、周到、热情、和蔼 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
C.
、主动、热情、耐心、周到
D.
、耐心、周到、协调、主动
查看完整题目与答案
【单选题】We appreciate your suggestion () establish agency relationship between our banks .
A.
to
B.
that
C.
we
D.
for
查看完整题目与答案
【判断题】50119正常人生理无效腔和解剖无效腔容积相等。
A.
正确
B.
错误
查看完整题目与答案