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【单选题】
将 12.5g葡萄糖溶于水,配成250ml溶液,该溶液的质量浓度为( )。A.
50g/L
B.
25g/L
C.
5.0g/L
D.
0.025g/L
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反馈参考答案：
举一反三
【判断题】The study of human populations in terms of size, density, location, age, gender, race, occupation, and other statistics is called physics.
A.
正确
B.
错误
【简答题】第三单元作业题.doc 第三单元测验题.doc
【简答题】Demography is the study of human populations in terms of .A. size and density B. location C. age and gender D. race E. occupation F. nationality
【单选题】Hillier describes this concept of human spatial behaviour as the generic function, defining it as: the spatial implications of the most fundamental aspects of human use of space, that is, the fact of ...
A.
direct
B.
indirect
【简答题】第三单元测验题.doc
【单选题】________ is the study of human populations in terms of size, density, location, age, gender, race, occupation, and other statistics.
A.
Sociobiology
B.
Demography
C.
Behavioral ecology
D.
Environmental studies
E.
Political science
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