减少H+生成，促进Ca2+重吸收的是( )
A．氢氯噻嗪B．布美他尼C．螺内酯D．阿米洛利E．甘露醇
参考答案：A
— Have you known him for a long time?
— Yes, since he ______ here after graduation.
[ ]
A. comes
B. came
C. has come
D. had come
人工清扫操作程序包括（）A.由边沿将垃圾分堆集中；B.用簸箕或铁锹将垃圾装入人力车；C.将垃圾运到垃圾收集站（点）；D.由清扫地段的中部将尘土、杂物扫向边沿清扫幅度约2m。正确顺序是（）。
A.a-b-c-d
B.b-a-c-d
C.c-d-a-b
D.d-a-b-c
