经溶血素处理后脱去胞质的白细胞体积大小取决于细胞内__________。
参考答案：有形物质的多少
Dust storms most often occur in areas where the ground has little vegetation to protect ______ of the wind.
A．from the effects
B．it the effects
C．it from the effects
D．the effects from it
电枢反应
