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【多选题】
文献法的优点有哪些?A.
有助选题
B.
不受时空限制
C.
真实性强
D.
费用低简便易行
E.
便于做纵向分析
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Bikes ______ in the 1880s and they ______ traveling around.
A.
were invented; were used as
B.
were invented; are used for
C.
was invented; was used for
D.
invented; are used to
【单选题】患者女性，58岁。排便失禁多日，护理重点是
A.
A鼓励患者多饮水
B.
B给予患者高蛋白饮食
C.
C观察惠者排使时的心反应
D.
D保护臀部防止发生皮肤破溃
E.
E观察记录粪便性质、颜色及量
【单选题】Old-fashioned phones matter when wireless networks _____ in disasters.
A.
turn down
B.
break down
C.
turn out
D.
break out
【单选题】根呈长圆柱形,根头部具有明显的密集的环纹,习称“蚯蚓头”环纹处有的有棕褐色的毛状叶柄残基。断面皮部先棕色,有裂隙,木部浅黄色。此药材是
A.
防风
B.
白芷
C.
川芎
D.
龙胆
【简答题】(Was, Were) the children tired?
【单选题】Shakespeare's plays ______.
A.
were enjoyable to all the classes of society
B.
were performed all day long
C.
were presented on stage wagons
D.
copied the Latin and Greek plays
【单选题】Old-fashioned phones matter when wireless networks _____in disasters.
A.
turn down
B.
turn out
C.
break down
D.
break out
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