血液除运输功能外,还有__________作用,此外对_______的调节也有重要作用。
防御保护 体温
下列经济业务不会影响企业流动比率的是()。
A.用存货进行长期投资
B.向银行借入款项
C.赊购原材料
D.用现金购买有价证券
_____, I would like to thank Professor Osterhaus for offering me the chance to do this study, and for
all the support throughout the study period. [ ]
A. In the beginning
B. At first
C. To begin with
D. To start