对某个量进行观测，观测成果质量的高低也就客观反映出（）的优劣。
参考答案：观测条件
— You didn't lock the back door.
— You are wrong. I ______. [ ]
A. have locked it
B. lock it myself
C. did lock it
D. do lock it
某男，5岁，昨晚发烧，今晨未退，呕吐两次，腹泻两次，有黏液，嗜睡，舌苔黄，脉沉数，宜用
A．黄连汤
B．葛根芩连汤
C．葛根汤
D．白头翁汤
E．以上都不是
