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【简答题】
(14分)Ⅰ、某含苯环的化合物A，其相对分子质量为104，碳的质量分数为92．3%。 (1) A与溴的四氯化碳溶液反应的化学方程式为 ; (2)已知 请写出A与稀、冷的KMnO 4 溶液在碱性条件下反应所得产物与足量乙酸反应的化学方程式 ; (3)在一定条件下，由A聚合得到的高分子化合物的结构 。 (4) A与氢气完全加成后的一氯代物共有____种。 Ⅱ、用如图所示装置制取乙酸乙酯，请回答以下问题。 (5)在试管中配制一定比例的乙醇、乙酸和浓H 2 SO 4 的混合液的方法是_______ (6)末端干燥管的作用是_______________。 (7)实验结束后，取下盛有饱和碳酸钠溶液的试管，再沿该试管内壁缓缓加入紫色石蕊试液1毫升，发现石蕊层为三层环，由上而下是颜色为_________________。
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参考答案：
举一反三
【多选题】Choose Byron's two long poems. ( )
A.
Childe Harold's Pilgrimage
B.
Don Juan
C.
The Isle of Greece
D.
The Pilgrim's Progress
查看完整题目与答案
【多选题】Choose the poems written by Wordsworth with the theme on Nature and country life. ( )
A.
To the Cuckoo
B.
We Are Seven
C.
Lucy Poems
D.
The Solitary Reaper
查看完整题目与答案
【多选题】Choose the poems written by Wordsworth with the theme on Nature and Country life.
A.
To the Cuckoo
B.
We are Seven
C.
Lucy poems
D.
The Solitary Reaper
E.
I Wandered Lonely as a Cloud
查看完整题目与答案
【多选题】Choose the poems written by Robert Frost:
A.
The Road Not Taken
B.
Mending Wall
C.
Stopping by Woods on a Snowy Evening
D.
The Black Cottage
查看完整题目与答案
【简答题】公路工程项目的特点有哪些?
查看完整题目与答案
【多选题】Which statement about Lawrence's poems is correct? (Choose all that apply.)
A.
Most of his early poems are autobiographical.
B.
He expresses his love for birds, animals and flowers in vivid language.
C.
In his later poems he mainly expresses his views on death and rebirth.
D.
He always expresses his love for life and expectations for society in his poems.
查看完整题目与答案
【单选题】Choose the poems written by Wordsworth with the theme on nature and country life. _____.
A.
T o the Cuckoo
B.
We Are Seven
C.
Lucy Poems
D.
The Solitary Reaper
查看完整题目与答案
【单选题】以下关于三种软骨类型的描述,错误的是
A.
软骨的分类标准是根据软骨基质中所含纤维成分的不同而分类的
B.
透明软骨中的纤维是由二型胶原蛋白组成的胶原原纤维
C.
纤维软骨基质中含有大量平行或交错排列的胶原纤维束
D.
透明软骨基质中含有大量平行排列的胶原纤维
E.
弹性软骨基质中含有大量弹性蛋白
查看完整题目与答案
【简答题】firewall-cmd命令 选项用于永久性的配置变更?
查看完整题目与答案
【多选题】Choose the poems written by William Wordsworth:
A.
"I Wandered Lonely as a Cloud"
B.
"The Solitary Reaper"
C.
"Kubla Khan"
D.
Lines Composed a Few Miles Above the Tintern Abbey
查看完整题目与答案
相关题目：
【多选题】Choose Byron's two long poems. ( )
A.
Childe Harold's Pilgrimage
B.
Don Juan
C.
The Isle of Greece
D.
The Pilgrim's Progress
查看完整题目与答案
【多选题】Choose the poems written by Wordsworth with the theme on Nature and country life. ( )
A.
To the Cuckoo
B.
We Are Seven
C.
Lucy Poems
D.
The Solitary Reaper
查看完整题目与答案
【多选题】Choose the poems written by Wordsworth with the theme on Nature and Country life.
A.
To the Cuckoo
B.
We are Seven
C.
Lucy poems
D.
The Solitary Reaper
E.
I Wandered Lonely as a Cloud
查看完整题目与答案
【多选题】Choose the poems written by Robert Frost:
A.
The Road Not Taken
B.
Mending Wall
C.
Stopping by Woods on a Snowy Evening
D.
The Black Cottage
查看完整题目与答案
【简答题】公路工程项目的特点有哪些?
查看完整题目与答案
【多选题】Which statement about Lawrence's poems is correct? (Choose all that apply.)
A.
Most of his early poems are autobiographical.
B.
He expresses his love for birds, animals and flowers in vivid language.
C.
In his later poems he mainly expresses his views on death and rebirth.
D.
He always expresses his love for life and expectations for society in his poems.
查看完整题目与答案
【单选题】Choose the poems written by Wordsworth with the theme on nature and country life. _____.
A.
T o the Cuckoo
B.
We Are Seven
C.
Lucy Poems
D.
The Solitary Reaper
查看完整题目与答案
【单选题】以下关于三种软骨类型的描述,错误的是
A.
软骨的分类标准是根据软骨基质中所含纤维成分的不同而分类的
B.
透明软骨中的纤维是由二型胶原蛋白组成的胶原原纤维
C.
纤维软骨基质中含有大量平行或交错排列的胶原纤维束
D.
透明软骨基质中含有大量平行排列的胶原纤维
E.
弹性软骨基质中含有大量弹性蛋白
查看完整题目与答案
【简答题】firewall-cmd命令 选项用于永久性的配置变更?
查看完整题目与答案
【多选题】Choose the poems written by William Wordsworth:
A.
"I Wandered Lonely as a Cloud"
B.
"The Solitary Reaper"
C.
"Kubla Khan"
D.
Lines Composed a Few Miles Above the Tintern Abbey
查看完整题目与答案
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