【单选题】下列动动性食品食物中铁吸收率最低的是()
【单选题】下列叙述中,哪一项与 “ 小肠是最主要的吸收器官 ” 这一功能无关( )
B.
小肠内表面有许多环形皱襞,内表面有许多小肠绒毛
【单选题】At last the girl couldn't bear the self-reproach, so she decided to ______ the fraud that made the poor old lady no penny left.
【单选题】According to the Framework for Preparation and Presentation of Financial Statements of the IASB, what is the definition of income?
A.
Assets minus liabilities
B.
Revenue minus expenses
C.
Increase in equity (other than from transactions with owners)
D.
Inflow of resources with future economic benefit
【单选题】Scarce resources are allocated towards the production of goods most valued by society because
A.
firms have incentive to maximize profits.
B.
consumers are unwilling to buy expensive good and services.
C.
of the benevolence of firm owners.
D.
government mandates resources to be used in certain production combinations.
【单选题】某医院供应室,护士准备将导尿包进行灭菌,最有效的灭菌法是
【判断题】人工辅助授粉除可提高坐果率外,还有利于果实增大和端正果形。