Which of the following is NOT a factor leading to "demotorization" in Japan?
A.A general lack of interest in cars.
B.A growing urban population.
C.Costs of owning a car.
D.Decline in purchasing power.
第2题
A.摩尔浓度(mol/L)
B. 质量浓度(g/L或mg/mL等)
C. 质量摩尔浓度(mol/kg)
D. 百万分之一(ppm)
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