红细胞表面积与体积的比值下降可引起红细胞( )
A.变形性增大
B.渗透脆性增大
C.悬浮稳定性增大
D.血沉降率降低
E.血红蛋白含量增大
参考答案:B
—You are always full of ________.Can you tell me the secret?
—Taking plenty of exercise every day. [ ]
A. power
B. strength
C. force
D. energy
式中Y为()。
A.α衰变
B.β-衰变
C.母核
D.子核
E.衰变能