【判断题】The value of a five-year annuity is equal to the sum of two perpetuities. One makes its first payment in year 1, and the other makes its first payment in year 6.
【简答题】呼吸性碱中毒的病理生理基础是:A. SB↓,AB↓,BB↓,BE负值↑,PaCO2↓,pH↓ B. SB↑,AB↑,BB↑,BE负值↓,PaCO2↑,pH↑pH↑ C. SB↑,AB↑,BB↑,BE负值↓,PaCO2↑, pH ↓ D. SB↓,AB↓,BB↓,BE负值↑,PaCO2↓, pH↑ E. SB N,AB N,BB N,BE N,PaCO2 N,pH N