利用显微镜和切片,研究人体器官和组织的()及其()的科学称为显微解剖学即()。
参考答案:微细结构;联系;组织学
下列变化中,属于化学变化的是
A.水果榨汁
B.泉水蒸发
C.衣服晾干
D.牛奶变酸
How are lifelines attached to a life float?()
A.By serving
B.By splicing one end of the line around the apparatus
C.Securely attached around the outside in bights no longer than three feet
D.With an approved safety hook or shackle