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【多选题】
有关各种问卷调查方法，下列选项正确的是( )。A.
人户访问法的问卷回收率高，正答率高，有效性高
B.
邮寄法的可控性较高，但回收率低
C.
留置法适合内容较多的问卷，但调查成本较高
D.
网上调查经济、快捷，可以针对所有人群进行
E.
街头访问法寻找样本比较容易，成本低
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反馈参考答案：
举一反三
【单选题】The concluding paragraph in graphs and charts unsually ____________________.
A.
classfiy the whole figures in the graphs or charts into rational items
B.
consists of an ordered arrangement of rows and columns
C.
restate the general trend of the graphs or chartsnoun phrase
D.
yze the overall trend of the information
【多选题】有关先天性髋关节脱位治疗后的并发症，下列哪些是恰当的
A.
再脱位常由于前倾角过小所致
B.
股骨上端骨折也常由于手术所致
C.
坐骨神经损伤常由于手术所致
D.
股骨头缺血性坏死与复位前牵引不够或内收肌、髂腰肌未松解，复位后股骨头承受过大压力有关
E.
髋关节骨性关节病亦与软组织不松解，以后股骨头承受过大压力有关
【单选题】______ colorful charts and graphs, he loaded a new software to help him．
A.
Create
B.
Created
C.
Creating
D.
To create
【单选题】Which of the following graphs or charts must add up to one hundred percent?
A.
a labor graph
B.
a pie chart
C.
a time-series graph
D.
a scatter diagram
【单选题】启动DNS服务器命令是( )。
A.
net pause dns
B.
net stop dns
C.
net start dns
D.
net continue dns
【判断题】Examples of graphs of a single variable include pie charts, bar graphs, and time-series graphs.
A.
正确
B.
错误
【多选题】Concluding paragraph of graphs and charts usually _________________________.
A.
illustrate the changes changes in trends over several periods
B.
describe the details relating to the overall trend
C.
restate the general trend of the graphs or charts
D.
conclude with reasons sometimes
【单选题】关于先天性髋关节脱位治疗后的并发症，下列哪些是正确的
A.
再脱位常由于前倾角过小所致
B.
股骨上端骨折也常由于手术所致
C.
坐骨神经损伤常由于手术所致
D.
股骨头缺血性坏死与复位前牵引不够或内收肌、髂腰肌未松解，复位后股骨头承受过大压力有关
E.
髋关节骨性关节病亦与软组织不松解，以后股骨头承受过大压力有关
【多选题】Body paragraphs of graphs and charts usually _________________________.
A.
restate the main trend in the graph or chart by using different words
B.
classfiy the whole figures in the graphs or charts into rational items
C.
include one or more paragraphs to support the general trend
D.
present the whole structure of the graphs and charts
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