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【简答题】
（本题共14分）5—氨基酮戊酸盐是一种抗肿瘤药，其合成路线如下： 已知： （1）已知A分子结构中有一个环，A不能使溴水褪色，且核磁共振氢谱图上只有一个峰，则A的结构 。 （2）5—氨基酮戊酸盐中含氧官能团的名称是 ，C→D的反应类型为 。 （3）G是B的一种同分异构体，能与NaHCO 3 溶液反应，能发生反应，1molG与足量金属Na反应能生成1molH 2 ，且G分子中不含甲基，写出一种符合上述条件的G的结构 。 （4）写出D→E的反应方程式 。 （5）已知 ，请结合题中所给信息，写出由CH 3 CH 2 COOH、 为原料合成 单体的合成路线流程图（无机试剂任选）。 合成路线流程图示例如下： 。
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举一反三
【单选题】What are two of the great feats of civil engineering accomplished by the engineers of Ancient China?
A.
The Pyramids and the Sphinx
B.
Aqueducts and the Colosseum
C.
The Great Wall and the Grand Canal
D.
The Taj Mahal and the Panama Canal
E.
The Hagia Sophia and Angkor Wat
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【单选题】下列不属于小肠的是( )
A.
十二指肠
B.
空肠
C.
回肠
D.
结肠
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【单选题】听力原文：M: That's too bad we don't have anyone who can play defense in our team, Madam. W: You are right, but cheer up! Don't you see we have plenty of players who can shoot three-pointers? Q: What is th...
A.
They can improve their team's defense very quickly.
B.
They have lots of three-point shooters.
C.
Their team members can shoot accurately.
D.
Their three-point shooters are better than other teams.
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【多选题】下列关于柱、梁、板，说法正确的是( )。
A.
柱、梁和板，既可以是预制的，也可以是现制的
B.
梁是跨过空间的横向受力构件
C.
板是直接承担其上面的平面荷载的平面构件
D.
柱子在建筑中承受梁和板这两种构件传来的荷载
E.
柱子是不能独立支承结构的竖向构件
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【单选题】从汉赋、唐诗、宋词、明清小说等主流文学表达形式的变化看，中国古代文学的发展趋势是（）
A.
逐渐平民化
B.
逐渐贵族化
C.
逐渐神秘化
D.
逐渐宗教化
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【简答题】The history of civil engineering( 土木工程 ) is 1._______ very important story in the development of civilisation ( 文明 ). Civil engineers 2._______(begin) practising their profession 400 years ago. What i...
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【简答题】Civil engineers began practicing their profession four thousand years ago.Every great civilization, Egyptians, Minoan, and Roman, for instance, had the civil engineers.
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【单选题】症见肢体浮肿,畏寒肢冷,心悸怔忡,胸闷气喘,小便不利,神疲乏力,腰膝酸冷,唇甲青紫。病机属于
A.
肝气乘脾
B.
心脾两虚
C.
心肾阳虚
D.
脾肾阳虚
E.
心肾阴虚
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【单选题】正中合出现早接触主要调磨
A.
中央窝和近远中边缘嵴
B.
上下颌功能尖
C.
上下颌非功能尖
D.
颊舌尖
E.
颊尖
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【单选题】We can see plenty of stars __ the sky tonight.
A.
in
B.
on
C.
to
D.
above
查看完整题目与答案
相关题目：
【单选题】What are two of the great feats of civil engineering accomplished by the engineers of Ancient China?
A.
The Pyramids and the Sphinx
B.
Aqueducts and the Colosseum
C.
The Great Wall and the Grand Canal
D.
The Taj Mahal and the Panama Canal
E.
The Hagia Sophia and Angkor Wat
查看完整题目与答案
【单选题】下列不属于小肠的是( )
A.
十二指肠
B.
空肠
C.
回肠
D.
结肠
查看完整题目与答案
【单选题】听力原文：M: That's too bad we don't have anyone who can play defense in our team, Madam. W: You are right, but cheer up! Don't you see we have plenty of players who can shoot three-pointers? Q: What is th...
A.
They can improve their team's defense very quickly.
B.
They have lots of three-point shooters.
C.
Their team members can shoot accurately.
D.
Their three-point shooters are better than other teams.
查看完整题目与答案
【多选题】下列关于柱、梁、板，说法正确的是( )。
A.
柱、梁和板，既可以是预制的，也可以是现制的
B.
梁是跨过空间的横向受力构件
C.
板是直接承担其上面的平面荷载的平面构件
D.
柱子在建筑中承受梁和板这两种构件传来的荷载
E.
柱子是不能独立支承结构的竖向构件
查看完整题目与答案
【单选题】从汉赋、唐诗、宋词、明清小说等主流文学表达形式的变化看，中国古代文学的发展趋势是（）
A.
逐渐平民化
B.
逐渐贵族化
C.
逐渐神秘化
D.
逐渐宗教化
查看完整题目与答案
【简答题】The history of civil engineering( 土木工程 ) is 1._______ very important story in the development of civilisation ( 文明 ). Civil engineers 2._______(begin) practising their profession 400 years ago. What i...
查看完整题目与答案
【简答题】Civil engineers began practicing their profession four thousand years ago.Every great civilization, Egyptians, Minoan, and Roman, for instance, had the civil engineers.
查看完整题目与答案
【单选题】症见肢体浮肿,畏寒肢冷,心悸怔忡,胸闷气喘,小便不利,神疲乏力,腰膝酸冷,唇甲青紫。病机属于
A.
肝气乘脾
B.
心脾两虚
C.
心肾阳虚
D.
脾肾阳虚
E.
心肾阴虚
查看完整题目与答案
【单选题】正中合出现早接触主要调磨
A.
中央窝和近远中边缘嵴
B.
上下颌功能尖
C.
上下颌非功能尖
D.
颊舌尖
E.
颊尖
查看完整题目与答案
【单选题】We can see plenty of stars __ the sky tonight.
A.
in
B.
on
C.
to
D.
above
查看完整题目与答案