She _______ go to see the movie last night. [ ]
A. does
B. do
C. did
D. doing
答案:C
磷酸盐包埋材料的粉水比例约为()
A.100g:25ml
B.100g:35ml
C.100g:45ml
D.100g:55ml
E.100g:16ml
心脏指数是()
A.心排血量/体表面积
B.周围动脉平均压×右房压)/心排血量
C.收缩压×心率×PCWP
D.主动脉收缩压平均值×收缩时间
E.氧供应/氧需要