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现有下列5种有机物： ①CH 2 =CH 2 ②CH 3 CH 2 C≡CH    ③CH 3 C≡CCH 3 ④CH 3 COOC 2 H 5 ⑤ 请回答： （1）其中不属于烃类的是______（填序号，下同），与①互为同系物的是______，与②互为同分异构体的是______． （2）用系统命名法给⑤命名，其名称为______．
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举一反三
【单选题】Who delivered these lines? "Five score years ago, a great American, in whose symbolic shadow we stand today, signed the Emancipation Proclamation. This momentous decree came as a great beacon light of...
A.
Malcolm X
B.
Michael Jackson
C.
Barbara Jordan
D.
Martin Luther King, Jr.
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【简答题】Edward rose early on the New-year morning. He looked in every room and wished a Happy New Year to his family. Then he ran into the street to repeat that to those he might meet. When he came back, his ...
查看完整题目与答案
【简答题】I am happy to join with you today in what will go down in history as the greatest demonstration for in the history of our nation. Five score years ago, a great American, in whose symbolic shad...
查看完整题目与答案
【简答题】Vocabulary 词汇练习 用课文中合适的单词填空,首字母已给出。 (1). Lack of demand forced the automaker to i________ two more plants . (2). Everyone would go to the school a__________ hall and then afterwards go to their respe...
查看完整题目与答案
【简答题】Five score years ago, a great American, in whose symbolic shadow we stand today, signed the Emancipation Proclamation. This momentous decree came as a great beacon light of hope to millions of Negro s...
查看完整题目与答案
【单选题】区别良恶性肿瘤最主要的组织学依据是( )
A.
细胞大小不一
B.
细胞核的多形性
C.
细胞体积增 大
D.
组织结构紊乱
E.
组织结构排列不规则
查看完整题目与答案
【单选题】自动控制理论的发展,包括经典控制理论、现代控制理论和( )三个发展阶段。
A.
人工控制
B.
智能控制理论
C.
以上二者都不对
查看完整题目与答案
【简答题】Edward rose early on the New-year morning. He looked in every room and wished a Happy New Year to his family. Then he ran into the street to repeat that to those he might meet. When he came back, his ...
查看完整题目与答案
【判断题】拱坝是空间壳体结构,而对于厚拱坝来说,它将上游水压力等外力大部分通过拱的作用传到两岸岩体(拱座),很少一部分通过悬臂梁的作用传到底部河床基岩。
A.
正确
B.
错误
查看完整题目与答案
【单选题】下列有关图书遗失赔偿,说法错误的是 ( )
A.
2000年以后出版的图书，按书原价的 2 倍赔偿
B.
1990-1999年出版的图书，按书原价的 3 倍赔偿
C.
1986-1989年出版的图书，按书原价的 5倍赔偿
D.
2015年之后出版的图书按原价赔偿
查看完整题目与答案
相关题目：
【单选题】Who delivered these lines? "Five score years ago, a great American, in whose symbolic shadow we stand today, signed the Emancipation Proclamation. This momentous decree came as a great beacon light of...
A.
Malcolm X
B.
Michael Jackson
C.
Barbara Jordan
D.
Martin Luther King, Jr.
查看完整题目与答案
【简答题】Edward rose early on the New-year morning. He looked in every room and wished a Happy New Year to his family. Then he ran into the street to repeat that to those he might meet. When he came back, his ...
查看完整题目与答案
【简答题】I am happy to join with you today in what will go down in history as the greatest demonstration for in the history of our nation. Five score years ago, a great American, in whose symbolic shad...
查看完整题目与答案
【简答题】Vocabulary 词汇练习 用课文中合适的单词填空,首字母已给出。 (1). Lack of demand forced the automaker to i________ two more plants . (2). Everyone would go to the school a__________ hall and then afterwards go to their respe...
查看完整题目与答案
【简答题】Five score years ago, a great American, in whose symbolic shadow we stand today, signed the Emancipation Proclamation. This momentous decree came as a great beacon light of hope to millions of Negro s...
查看完整题目与答案
【单选题】区别良恶性肿瘤最主要的组织学依据是( )
A.
细胞大小不一
B.
细胞核的多形性
C.
细胞体积增 大
D.
组织结构紊乱
E.
组织结构排列不规则
查看完整题目与答案
【单选题】自动控制理论的发展,包括经典控制理论、现代控制理论和( )三个发展阶段。
A.
人工控制
B.
智能控制理论
C.
以上二者都不对
查看完整题目与答案
【简答题】Edward rose early on the New-year morning. He looked in every room and wished a Happy New Year to his family. Then he ran into the street to repeat that to those he might meet. When he came back, his ...
查看完整题目与答案
【判断题】拱坝是空间壳体结构,而对于厚拱坝来说,它将上游水压力等外力大部分通过拱的作用传到两岸岩体(拱座),很少一部分通过悬臂梁的作用传到底部河床基岩。
A.
正确
B.
错误
查看完整题目与答案
【单选题】下列有关图书遗失赔偿,说法错误的是 ( )
A.
2000年以后出版的图书，按书原价的 2 倍赔偿
B.
1990-1999年出版的图书，按书原价的 3 倍赔偿
C.
1986-1989年出版的图书，按书原价的 5倍赔偿
D.
2015年之后出版的图书按原价赔偿
查看完整题目与答案
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