急性左心衰竭应选用下列哪一种利尿剂()
A．双氢克尿塞
B．氨苯喋啶
C．速尿
D．安体舒通
E．氯噻酮
参考答案：C
若正比例函数y=kx的图象经过点（2，6），则k=______．
The man insisted ________ a taxi for me even though I told him I lived nearby. [ ]
A. find
B. to find
C. on finding
D. in finding
