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【单选题】
下列化合物中,属于胺类化合物的是:A.
N-乙基苯胺
B.
胺
C.
二甲基乙基胺
D.
3-氨基
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反馈参考答案：
举一反三
【单选题】关于阶层，下列说法错误的是（）。
A.
一个新产生的群体，在未成熟到一个阶级的时候，可以先称之为阶层
B.
几个阶级相交叉的部分，可以称之为阶层
C.
阶层是阶级内部的更细小的集团
D.
阶层在历史的剧烈变动时期特别明显
【单选题】听力原文： I was recently working with some sixth form. comprehensive school students, when a television company asked for permission to come in and make a short film of our activities. The arrival of the ...
A.
Because everyone wore her best clothes.
B.
Because the classroom had never been a studio.
C.
Because the speaker was going to be well known.
D.
Because it involved a lot of equipment and workers.
【单选题】Its main part is the comprehensive school and its minor part are the____ education and vocational and technical education.
A.
general
B.
special
【判断题】Most of the state secondary school population in Great Britain attends comprehensive schools.
A.
正确
B.
错误
【简答题】The old man is drinking in the air.
【单选题】假如旅游团在饭店遇到到火灾,不能马上离开现场或被困,导游人员千万不能让游客慌乱跳楼 , 尤其是在 () 以上的游客 , 切记不要跳楼。
A.
二层
B.
三层
C.
四层
D.
五层
【简答题】a comprehensive school
【单选题】In Britain, the division between grammar school and vocational school was ended by the introduction of comprehensive schools in the .
A.
1930s
B.
1940s
C.
1950s
D.
1960s
【判断题】Most of the state secondary school population in Great Britain attend comprehensive schools.
A.
正确
B.
错误
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