尿糖定量测定可用甲醛溶液防腐。()
参考答案:错
—Boys, would you mind not playing basketball here?
—_____, Mr. Li. [ ]
A. No, thanks
B. Sorry, we won't do it again
C. You are welcome
D. I can't stand it
感受器持续受到某种刺激,其 ______ 的能力会随持续时间的延长 _______ ,这叫 ____ 。