最低量定律
参考答案:
植物生长不是受需要量大的营养物质影响,而是受那些处于最低量的营养物质成分影响,如微量元素等。
What would the girl probably say to the boy in the picture on the right?
A.It’s good to do some sport.
B.Why not drink some water?
C.You’d better go to bed now.
D.You should go to see a doctor.
下列哪项组合是正确的()
A.红细胞大小不等中心淡染-地中海贫血
B.红细胞呈靶形-缺铁性贫血
C.红细胞呈乌缗钱状-溶血性贫血
D.红细胞呈小球形-椭圆形红细胞增多症
E.红细胞呈盔形、三角形及碎片-DIC