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【多选题】
关于护理研究的基本过程的描述,正确的有
A.
提出研究问题是研究的第一步
B.
我们自己做研究,没有必要系统、全面和深入的去进行文献检索
C.
没有必要一开始就进行研究设计,可以等分析资料各种变量进行设计分析
D.
大规模的研究之前可以进行小规模的预试验,根据预试验结果仍然可以改进研究设计
E.
研究结果的推广和应用是研究的最后一个环节
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举一反三
【简答题】A.It is well known an over the world. B.It has become the topic of an article. C.It has made the front-page headline of the press. D.It has become the title of a best-seller.
【判断题】Hopefully, reading will become a part of their lives: as it has become a part of mine.
A.
正确
B.
错误
【简答题】A.It is well known all over the world. B.It has become the topic of an article. C.It has made the front-page headline of the press. D.It has become the title of a best-seller.
【简答题】In consequence, computer handling and storage has become increasingly _________.
【单选题】Pollution has become a great ______ to our daily life.
A.
threat
B.
threatening
【单选题】取一小块金属钠,放在燃烧匙里加热,下列实验现象描述正确的是 ①金属先熔化 ②在空气中燃烧,放出黄色火花 ③燃烧后得白色固体 ④燃烧时火焰为黄色 ⑤燃烧后生成浅黄色固体物质
A.
②⑤
B.
①②③
C.
①④⑤
D.
④⑤
【单选题】Since 2000, Nanchang has become a new city. Everything _____. [      ]
A.
is changed
B.
was changed
C.
has changed
D.
had changed
【单选题】取一小块金属钠放在燃烧匙里加热,下列实验现象:描述正确的是(  ) ①金属先熔化  ②在空气中燃烧,放出黄色火花  ③燃烧后得白色固体  ④燃烧时火焰为黄色  ⑤燃烧后生成淡黄色固体物质.
A.
①②
B.
①②③
C.
①④⑤
D.
④⑤
【多选题】文明社会可以分为下列哪几类?()
A.
原始文明
B.
农业文明
C.
工业文明
D.
生态文明
【单选题】楼梯梯段栏杆扶手的高度一般不小于多少
A.
1050mm
B.
900mm
C.
600mm
D.
500mm
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