已知受血者为A型,在交叉配血试验中,主侧不凝集,次侧凝集,给血者血型应该是
A.型B.B型C.O型D.AB型E.O型、B型都可能
参考答案:C
患儿,2岁,实验室检查Hb为75g/L,该小儿贫血程度是
A.中度贫血
B.不贫血
C.轻度贫血
D.重度贫血
E.极重度贫血
The world’s annual food production slightly exceeds the amount of food required to provide a minimally adequate diet for the world’s population. To predict that insufficient food production will cause a hunger crisis in the future is nonsense. Any hunger crisis will result from a distribution problem rather than a production problem. The statement above assumes which of the following
A.The world’s food requirements are greater than they will be in the future.
B.A shortfall in the world’s food production can be prevented by a better distribution system.
C.The world’s food production will continue to be sufficient to meet or exceed needs.
D.The distribution of the world’s existing food supply will be improved in the future.
E.(E) The world hunger crisis will not exist in the future.