46. Why Holter devices are less efficient for screening subjects with high cardiovascular risk (A) time consuning (B) expensive (C) labor necessary (D) not sensitive

10. What's the main purpose of this study? (A) to study the appearance of Chenopodium formosanum, (B) to investigate the antioxidant activity of fermented djulis (C) to investigate the influence of production cost on probiotcis, (D) to raise fund from foreigners.