评价心功能最常用的检查方法是
A.常规心电图
B.超声心动图
C.动态心电图
D.放射性核素
E.心电图运动负荷试验
参考答案:B
口算.
1.5×4=______;
2.6×0.2=______;
6.4+0.08=______;
3.5+7.6=______;
0.12×3=______;
1-0.125=______;
0.4÷0.5=______;
8.1-0.03=______;
4.2×0.1=______;
0.25÷10=______.
高压蒸汽灭菌时,一般需达到的条件是()
A.115℃,30~60min
B.120℃,15~30min
C.115℃,15~30min
D.121℃,15~30min
E.125℃,15~30min