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【单选题】
社会革命的根源在于( )A.
阶级矛盾的尖锐化
B.
国际阶级斗争的推动
C.
人民群众革命积极性的高涨
D.
社会基本矛盾的尖锐化
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举一反三
【单选题】作功顺序1-3-4-2的发动机，在第三缸活塞压缩上止点时，可以检查调整哪些气门间隙。
A.
3缸的进、排气门和4、2缸的进气门
B.
1、4缸的进气门和2缸的排气门
C.
3缸的进、排气门和4缸的排气门和1缸的进气门
D.
1缸的进、排气门和4缸的排气门和2缸的进气门
【单选题】根据城建税规定，下列说法正确的是（ ）
A.
自 2010 年 12 月 1 日起，外商投资企业应依法缴纳城建税
B.
进口环节增值税纳税人同时也是城建税纳税人
C.
城建税实行行业差别税率
D.
城建税的计税依据是纳税人缴纳的增值税、消费税以及滞纳金和罚款
【单选题】In some countries in which there is very little rain at any time, the farmers have to water their fields. Irrigation is easy enough if there is a great river near the crops and if there is plenty of w...
A.
the problems caused by river water
B.
the necessity to irrigate the field
C.
the water shortage in some countries
D.
the canals carrying water to fields
【单选题】作功顺序 1-3-4-2 的发动机,在第三缸活塞压缩上止点时,可以检查调整( )气门间隙
A.
3 缸的进、排气门和 4 、 2 缸的进气门
B.
1 、 4 缸的进气门和 2 缸的排气门
C.
3 缸的进、排气门和 4 缸的排气门和 1 缸的进气门
D.
1 缸的进、排气门和 4 缸的排气门和 2 缸的进气门
【多选题】下列各项中，符合城市维护建设税政策规定的有( )。
A.
自2010年12月1日起，对外商投资企业、外国企业及外籍个人也要征收城市维护建设税
B.
出口退还消费税，也要退还其对应的城建税
C.
对国家重大水利工程建设基金免征城市维护建设税
D.
城建税的适用税率，一般应当按纳税人所在地的规定税率执行
【单选题】According to the passage， what did the farmers have to do with the coming of mechaniza-tion of agriculture? 查看材料
A.
Many of them had to leave their farmland for industrial centers．
B.
They stuck to their farm work．
C.
They refused to use machines．
D.
They did their best to learn how to use the machines．
【单选题】To label their product as organic， farmers have to obtain a certificate showing that no __________chemicals have been used to kill pests on the farm for two years.
A.
tragic
B.
toxic
C.
notorious
D.
nominal
【单选题】According to the passage, what did the farmers have to do with the coming of mechanization of agriculture?
A.
Many of them had to leave their farmland for industrial centers.
B.
They stuck to their farm work.
C.
They refused to use machines.
D.
They did their best to leam how to use the machines.
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