蛋白质的生物卡价小于它的物理卡价，因为蛋白质在体内不能完全氧化。
参考答案：对
Peter _____ a little money every month so that he can buy a car of his own in the near future.[ ]
A. sets aside
B. sets about
C. sets off
D. sets out
何谓脉搏短绌？
