单项选择题

A. The slavery issue was solved at1861. B. The slavery issue was solved at1863.
C. The slavery issue was solved at1864. D. The slavery issue was solved at1865.
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单项选择题
A. Social progress will have two main economic consequences.B. Technological progress will have two main economic consequences.C. Human progress will have two main economic consequences.D. Equipment progress will have two main economic consequences.
A. Social progress will have two main economic consequences.
B. Technological progress will have two main economic consequences.
C. Human progress will have two main economic consequences.
D. Equipment progress will have two main economic consequences.
单项选择题
A. At the age of 50, individuals with high blood pressure can be at risk for heart disease. B. At the age of 35, individuals with high blood pressure can be at risk for heart disease. C. At the age of 45, individuals with high blood pressure can be at risk for heart disease. D. At the age of 40, individuals with high blood pressure can be at risk for heart disease.
A. At the age of 50, individuals with high blood pressure can be at risk for heart disease.
B. At the age of 35, individuals with high blood pressure can be at risk for heart disease.
C. At the age of 45, individuals with high blood pressure can be at risk for heart disease.
D. At the age of 40, individuals with high blood pressure can be at risk for heart disease.
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