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【单选题】
在生产线上用到的单向节流阀为排气型的,如果气缸活塞杆伸出速度过快,应该( )单向节流阀。A.
顺时针调节气缸无杆侧
B.
顺时针调节气缸有杆侧
C.
逆时针调节气缸有杆侧
D.
逆时针调节气缸无杆侧
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【单选题】What were the laws that Southern governments enacted after the Civil War to restrict the economic freedom of African Americans?
A.
Black codes
B.
Jim Crow laws
C.
Slave codes
D.
Segregation acts
【简答题】B. foreign imports, American, is , to restrict, the, passing laws, government __________________________________________________________
【简答题】你的基本风压______?
【简答题】请回答人体测量数据的运用准则有哪些,并举例说明。
【简答题】材料一某上市公司1月份至9月份归属于上市公司股东的净利润为4.34亿元，前三季度业绩仅实现个位数增长。该公司不仅仅自己的股价下跌，截至2013年9月30日，公司投资的10只股票竟然有8只亏本。
材料二人民银行重庆营管部发布的《2013年三季度重庆市货币信贷运行情况》显示，尽管货币紧缩，通胀压力加大，重庆市民财富的增加速度并没降低，重庆居民年内存款余额有望破万亿。业内人士分析认为，居民对于股票投资...
【单选题】Why didn't the state and local air pollution laws achieve the end of reducing pollution?
A.
Industries tend to disregard the laws because they don't want to spend extra money on the processing of industrial wastes.
B.
Although measures are taken to send industrial pollutants higher up the atmosphere, the amount of industrial pollutants remains the same.
C.
The smokestacks built to release pollutants are not tall enough.
D.
Only a small number of industries are equipped to live up to the new standards of the air pollution laws.
【单选题】Which organization in the United States demonstrated strongly against any laws that might restrict gun ownership?
A.
The NRA (National Rifle Association).
B.
The Supreme Court.
C.
The Asian Society.
D.
The Motion Picture Association.
【单选题】According to the new traffic laws, people _______ drive after drinking wine or beer. [ ]
A.
wouldn't
B.
couldn't
C.
needn't
D.
mustn't
【单选题】Laws that restrict the smoking of cigarettes in public places are examples of government intervention that is intended to reduce
A.
efficiency.
B.
equality.
C.
externalities.
D.
productivity.
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