采血过程中如发生血肿,应该()
A.停止献血
B.用力压住针眼,直至血渗停止
C.向献血者解释原因,并致歉
D.针眼周围涂消炎药膏,并贴棉签或胶带
参考答案:A, B, C, D
— Are you pleased _____ the food here?
— Yes, I have got used _____ the life here.
A.by; for
B.with; to
C.at; with
D.to; in
精密压力表的精度等级只有()、()、()和0.4级共四个等级。
A.0.1级
B.0.16级
C.0.2级
D.0.25级