心室率可快可慢,可规则也可不规则的是()
A.窦性心动过速
B.心房扑动
C.阵发性室上性心动过速
D.阵发性室性心动过速
E.心房颤动
参考答案:B
下列溶液中通入(加入)括号中的物质,能使溶液中pH的明显增大的是[ ]
A.饱和石灰水(二氧化碳)
B.稀硫酸(氯化钡)
C.氢氧化钙的饱和溶液(碳酸钠)
D.稀盐酸(氢氧化钠溶液)
. ------It is a pity that you have _________from the company. After all, it is a well-paid job.
------There is nothing serious. I don’t like the way they _______ me.
A.left; think
B.retired; regard
C.resigned; treat
D.designed; behave