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【单选题】
有根尖痿管的患牙根充后桩核冠修复开始的时机一般是A.
无叩痛后
B.
瘘管闭合后
C.
无根尖区扪痛后
D.
无自觉症状时
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反馈参考答案：
举一反三
【判断题】Social media can be appropriate for conducting exploratory and descriptive research but not causal research.
A.
正确
B.
错误
【单选题】关于国际投资头寸表的项目设置和内容说法错误的是（）。
A.
主栏的项目按资产和负债设置
B.
资产细分为直接投资、证券投资、金融衍生品和雇员认股权、其他投资和储备资产
C.
负债细分为直接投资、证券投资、金融衍生品和雇员认股权和其他投资
D.
宾栏反映的是何种因素导致国际投资头寸的变化，这些因素包括交易、价格变化、汇率变化
【判断题】Causal research is the only research that establishes cause and effect relationships.
A.
正确
B.
错误
【单选题】According to the text, the main method of causal research is a(n)________.
A.
panel
B.
focus group
C.
survey
D.
experiment
E.
client project
【单选题】Which of the following is the best example in which to apply causal research?
A.
the Andrew Jergens Company periodically conducting surveys to measure consumer's perceptions, attitudes and use of soap bars and related personal care products
B.
to determine the relationship between sales promotion and advertising expenditures and sales of Mercedes
C.
to gain insights on why Nokia is losing market share in Asia
D.
to understand how consumers evaluate the Home Depot brand compared to competing brands
E.
one-on-one depth interviews matching respondents and interviewers by gender
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