请指出心尖区内听到的心律性质（）.
A.早搏
B.窦性心律不齐
C.心房颤动
D.心房扑动
E.窦性心律
参考答案：B
He _____ to like drinking. [ ]
A. doesn't use
B. doesn't used
C. didn't use
D. didn't used
钝叶草草坪中的阔叶杂草可通过施用2，4-D除去。
