下列关于心力衰竭时心外代偿反应中的叙述，错误的是（）
A.血容量增加
B.心率加快
C.红细胞增多
D.血流重分布
参考答案：B
Project （） is an uncertain event or condition that, if it occurs, has a positive or a negative effect on at least one project objective, such as time, cost, scope, or quality.
A.risk
B.problem
C.result
D.data
鱼类含有较为丰富的无机盐是
A．Ca、I
