计算(5b+2 )(2b﹣1 )=( );(3﹣2x )(2x﹣2 )=( ).
10b2﹣b﹣2;﹣4x2+10x﹣6
吩噻嗪与下列哪种药物合用可出现血压剧降心动过速
A.中枢抑制药
B.制酸药
C.苯海索
D.肾上腺素
E.左旋多巴
— Sorry, do you mind if I smoke here — Yes,().
A. you could
B. go ahead
C. I do
D. my pleasure