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【单选题】
()是指由企业或其他单位建设、养护、管理,专为或者主要为本企业或者本单位提供运输服务的道路。A.
专用公路
B.
一级公路
C.
二级公路
D.
三级公路
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【简答题】（8分）已知A的分子式为C 3 H 4 O 2 ，下图是A～H间相互转化的关系图，其中F中含有一个七元环；H是一种高分子化合物。（提示；羟基与双键碳原子相连的醇不稳定；同一个碳原子上连有2个或多个羟基的多元醇不稳定）。请回答下列问题： （1）A中含有的官能团名称： ； （2）请写出下列有机物的结构简式： C ； H [ （3）请指出下列反应的反应类型：B D ；G 丙二酸 （4）请写出D和E生成F...
【单选题】Is the customer always right? The answer, it seems, depends on which country you are in. Shopping is very much a part of a country's culture, and attitudes to shopping and consumers vary from country ...
A.
retailers are under increasing pressure to improve their service and cater more for consumer demands
B.
America has been set as an example of good customer service
C.
they are aware that attitudes to shopping and consumers may vary in different countries
D.
consumers income has been reduced
【单选题】Is the customer always right? The answer, it seems, depends on which country you are in. Shopping is very much a part of a country's culture, and attitudes to shopping and consumers vary from country ...
A.
carries social and cultural values
B.
reflects the developmental stage of a country
C.
determines the way they socialize
D.
reveals their social status
【简答题】对于一定的物系,当温度升高时,溶解度系数H与相平衡常数m的变化为( )
【单选题】What did Mr. Panda lose? A、 Money B、 Mobile C、 Computer D、 Wallet
A.
Money
B.
Mobile
C.
Computer
D.
Wallet
E.
1
F.
2
G.
3
H.
4
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