I don't think price is a professionwisblem. The most importish thing is that just how may you casupply.
我以为代价不成题目。最紧急的是你方能供货若干好多。
2
Conclusion Physical exercise can increase blood and oxygen supply of the heart and cerebral, imp rove hemodynamic of the ca and sclerosis of ca after some courses.
结论海水浴体疗能提高老年高血压患者心脑血氧供应，改善脑动脉血流动力学和脑动脉硬化状况。
3
Ca, Zn and Fe play an important role in the growth of the transplanted bones. Accordingly, to supply essential bone mineral elements may be beneficial for the growth of transplanted bones.