使用信必可时,其两种药物的不良反应比单用吸入激素的()
A.发生率增加
B.没有不良反应
C.发生率比两者发生率和要少
D.发生率未增加
参考答案:D
A: Did you like the singing competition yesterday?
B: Oh, 小题1:______________. Nelly sang so well!
A: Well, I think Lisa sang better than Nelly.
B: Oh, 小题2:_____________?
A: The one with shorter hair. I think 小题3:___________.
B: Yes, but Nelly danced better than Lisa.
A: You can tell that Lisa really wanted to win, though.
B: Well, 小题4:_____________. But the most important thing is 小题5:___________.
滴定分析中,化学计量点与滴定终点间的关系是()
A、两者必须吻合;
B、两者互不相干;
C、两者愈接近,滴定误差愈小;
D、两者愈接近,滴定误差愈大。