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【单选题】
乙酸是一种弱酸,氯乙酸(ClCH2COOH)的酸性强于CH3COOH。这是因为:-Cl是一种强吸电子基团,能使-OH上的H原子具有更大的活泼性;有的基团属于斥电子基团,能减弱-OH上H原子的活泼性,这些作用统称为“诱导效应”。试依据上述规律,推测下列酸中酸性最强的是
A.
CF3COOH
B.
CCl3COOH
C.
CHCl2COOH
D.
CH2ClCOOH
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举一反三
【单选题】Robin Hood didn’t ___________ in the town Nottingham.
A.
plant the grains
B.
fall in love with Lady Marian
C.
rob the rich townsfolk
D.
help to recover the taxed grain
【单选题】The various ballads of Robin Hood are gathered into a collection called Geste of Robin . Robin Hood , a _____ popular hero, is depicted in the ballads as a valiant ___.
A.
imaginary... hero
B.
male... outlaw
C.
legendary.... outlaw
D.
famous ... hero
【简答题】高新园平面图.JPG 请大家利用已学word图文混排功能和绘图工具等知识,在word中照样图绘制学校平面图。
【判断题】Ballads of Robin Hood, a series of stories focuses on a religous person named Robin Hood.
A.
正确
B.
错误
【简答题】石家庄市某房地产开发公司为一般纳税人,2017年开发一个高层住宅楼,当年有关经营情况如下: (1)该住宅楼销售90%,取得销售收入6300万元,并签订了销售合同。剩余10%以每年100万元对外进行出租,租期一年,租金一次性收取,并签订了租赁合同。 (2)签订土地使用权购买合同,支付与该项目相关的土地使用权价款900万元,相关税费39万元。 (3)发生土地拆迁补偿费400万元,前期工程费200万元,...
【单选题】According to the passage,the legend of Robin Hood probably originated __________.
A.
during the Anglo-Saxon period
B.
under the rule of King Edward Ⅱ
C.
during the Norman Conquest of 1066
D.
in the thirteenth century
【单选题】Which of the following can NOT be inferred from the passage?
A.
Robin Hood is a fascinating figure in British history.
B.
The popularity of Robin Hood has not died down.
C.
The legend of Robin Hood is a totally made.up one.
D.
People prefer to believe that Robin Hood did exist.
【单选题】要求:根据下述资料,回答下列题。本题涉及印花税、营业税、城建税(及教育费附加)、土地增值税。某市一内资房地产开发公司2013年开发一个项目,有关经营情况如下:(1)该项目商品房全部销售,取得销售收入4000万元,并签订了销售合同;(2)签订土地购买合同,支付与该项目相关的土地使用权价款600万元,相关税费50万元;(3)发生土地拆迁补偿费200万元,前期工程费100万元,支付工程价款750万元,基...
A.
138
B.
2.3
C.
2
D.
0.3
【单选题】Robin Hood took ___________ the rich and gave ____________ the poor. [     ]
A.
from, for
B.
to, from
C.
from, to
【简答题】What are the characteristics of Robin Hood?
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