题目内容

The basic difference between domestic and foreign market research is: ____?

A. the cost of foreign market research.
B. the security factor with respect to the researchers.
C. the broader scope needed for foreign research necessitated by higher levels of uncertainty.
D. the response of governments when they discover that research is being conducted.

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In many Asian cities, there are no street maps, some streets are not identified, and some houses are not numbered making it difficult for market researchers attempting to conduct an accurate __________. ____?

A. product enhancement analysis.
B. situational analysis.
C. strategic management overview.
D. sampling process.

变质岩的结构按成因分为( )

A. 变形结构
B. 变成结构
C. 变余结构
D. 交代结构
E. 斑状结构

一种玄武岩基质的结构特点是长条形斜长石微晶不规则排列,其间隙中充填物为辉石、磁铁矿细小颗粒和部分玻璃质,此结构名称是( )

A. 间粒结构
B. 间粒间隐结构
C. 玻基斑状结构
D. 间隐结构

衡量岩浆岩碱性程度的常用化学指数(σ)称为(里德曼)指数,其计算公式为σ=[w(K2O+ Na2O)2]/[w(SiO2)-43]。如果一块岩石的w(SiO2)=51%,w(CaO)=5.0%,w(K2O)=4.0%,w(Na2O)=4.0%,那么其σ=______ ,属于______ 系列。

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