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【单选题】
(2019·安徽皖西高二第二学期期末·6)北齐规定:“男18岁以上为丁,丁从课役,60岁为老。”而隋朝规定:“男以21岁为丁,58岁为限,实行从丁课。”隋朝这一变化
A.
减轻了农民赋税负担
B.
利于增加政府财政收入
C.
推动了农产品商业化
D.
有助于农业生产的发展
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】第二篇 Sleep We all know that the normal human daily cycle of activity is of some 7 - 8 hours’ sleep alternating with some 16 - 17 hours’ wakefulness and that, broadly speaking, the sleep n...
A.
people hate the inconvenience of working on night shifts.
B.
your life is disturbed by changing from day to night routines and back.
C.
not all industries work at the same hours.
D.
it is difficult to find a corps of good night workers.
【单选题】下述妊娠母体的变化,错误的-项是( )
A.
子宫体积和容量逐渐增大
B.
乳腺和乳腺泡增生、乳房增大
C.
子宫下段形成,临产时可达7~10cm
D.
妊娠期血容量增加至32~34周达高峰
E.
由于子宫在左旋,故左侧肾盂肾炎更为常见